AMS Sectional Meeting Full Program
Current as of Saturday, October 11, 2008 00:27:40
2008 Fall Western Section Meeting
Vancouver, Canada, October 45, 2008 (Saturday  Sunday)
Meeting #1041
Associate secretaries: Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Saturday October 4, 2008

Saturday October 4, 2008, 7:30 a.m.4:00 p.m.
Meeting Registration
South Concourse, Student Union Building 
Saturday October 4, 2008, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
South Concourse, Student Union Building 
Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on History and Philosophy of Mathematics, I
Room 2449, Biological Sciences Building
Organizers:
Shawnee L. McMurran, California State University San Bernardino smcmurra@csusb.edu
James J. Tattersall, Providence College tat@providence.edu

8:00 a.m.
The Mathematics Department of \em{The Yates County Chronicle} (18721880).
J J Tattersall*, Providence College
(10410149) 
8:30 a.m.
The Math Wars: A Cultural Perspective.
Robert G Stein*, California State University, San Bernardino
(10410177) 
9:00 a.m.
The Catenary on a Cone in Peirce's \underline{System of Analytic Mechanics}.
Deborah Kent*, Hillsdale College
(104101107) 
9:30 a.m.
The Long Flirtation between Logic and Combinatorics.
John C Stillwell*, University of San Francisco
(10410110) 
10:00 a.m.
The ErdosSzekeres theorem.
Ron Graham*, UC San Diego
(10410581) 
10:30 a.m.
Farey Series, Ford Circles & much more.
Richard K Guy*, University of Calgary
(10411175)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Related Topics, I
Room 200, Chemistry Building
Organizers:
Malabika Pramanik, University of British Columbia malabika@math.ubc.ca
Burak Erdogan, University of Illinois at UrbanaChampaign berdogan@math.uiuc.edu

8:00 a.m.
Harmonic analysis and ergodic theory.
Christoph M Thiele*, UCLA
(10414273) 
9:00 a.m.
Bilinear Hilbert transforms along curves.
Xiaochun Li*, University of Illinois at UrbanaChampaign
(104142201) 
9:30 a.m.
Estimates for the Xray transform restricted to 2manifolds.
Richard Oberlin*, UCLA
(104142215) 
10:00 a.m.
On the unboundedness of bilinear Fourier multipliers associated to domains with curvature.
S. Zubin Gautam*, UCLA
(104142164) 
10:30 a.m.
Almost everywhere convergence of inverse Fourier transforms.
Elena Prestini*, Universita` di Roma "Tor Vergata"
Leonardo Colzani, Universita` di Milano "Bicocca"
Chris Meaney, Macquarie University, Sidney, Australia
(10414253)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Applications of Algebraic Geometry, I
Room 110, Hugh Dempster Pavillion
Organizers:
Elizabeth S. Allman, University of Alaska Fairbanks e.allman@uaf.edu
Rekha R. Thomas, University of Washington thomas@math.washington.edu

8:00 a.m.
Polyhedral Methods for Algebraic Curves.
Verschelde Jan*, University of Illinois at Chicago
(104114207) 
9:00 a.m.
Least Squares Methods for Equidistant Tree Reconstruction.
Conor Fahey, San Francisco State University
Serkan Hosten*, San Francisco State University
Nathan Krieger, San Francisco State University
Leslie Timpe, San Francisco State University
(104152193) 
9:30 a.m.
Hidden variables in statistical models and identifiability.
Elizabeth S. Allman, University of Alaska Fairbanks
Catherine Matias, Laboratorie Statistique et Genome, CNRS
John A. Rhodes*, University of Alaska Fairbanks
(10411442) 
10:00 a.m.
Toric Dynamical Systems.
Anne Shiu*, University of California Berkeley
(104114192) 
10:30 a.m.
Truncated Groebner bases and generating sets of lattice ideals for integer programs.
Peter N Malkin*, University of California at Davis
(104114240)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Algorithmic Probability and Combinatorics, I
Room 1, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
Marni Mishna, Simon Fraser University mmishna@cs.sfu.ca
Andrew Rechnitzer, University of British Columbia andrewr@math.ubc.ca

8:00 a.m.
Onedimensional quantum random walk with more than two chiralities.
Torin Greenwood*, University of Pennsylvania
Robin Pemantle, University of Pennsylvania
(104105114) 
8:30 a.m.
Directed Paths in a Layered Environment.
E. J. Janse van Rensburg*, York University
(104182123) 
9:00 a.m.
Directed Compact Percolation near a damp wall and lattice paths.
Aleks L Owczarek*, The University of Melbourne
(10410537) 
9:30 a.m.
Subsets of selfavoiding walks and polygons.
Anthony J Guttmann*, University of Melbourne
John Dethridge, Australia
Tim Garoni, NYU
Iwan Jensen, University of Melbourne
(104105302) 
10:00 a.m.
Fuchsian ODE searches using modular arithmetic.
Iwan Jensen*, Department of Mathematics and Statistics, The University of Melbourne
(104134128) 
10:30 a.m.
Prudent selfavoiding walks.
Mireille BousquetMélou*, CNRS, LaBRI, Université Bordeaux 1
(10410523)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves and Coherent Structures, I
Room 126, Chemistry Building
Organizers:
Bernard Deconinck, University of Washington bernard@amath.washington.edu
Jeffrey DiFranco, Seattle University difranco@seattleu.edu

8:00 a.m.
On the semiclassical limit of the sineGordon equation.
Peter D Miller*, The University of Michigan
(104135235) 
8:30 a.m.
Analytically determining the spectra of stationary solutions of the focusing and defocusing NLS equations.
Nate Bottman*, University of Washington
Bernard Deconinck, University of Washington
(104135158) 
9:00 a.m.
Coarsening to chaosstabilized fronts in spatiotemporal chaos.
Ralf W Wittenberg*, Simon Fraser University
Ka Fai Poon, Simon Fraser University
(104135275) 
9:30 a.m.
Asymptotic stability in some nonlinear Schroedingertype equations.
Stephen Gustafson*, University of British Columbia
(104135260) 
10:00 a.m.
Stability of Onedimenstional Water Waves.
Katie L Oliveras*, Department of Applied Mathematics, University of Washington
Bernard Deconinck, Department of Applied Math, University of Washington
(104135206) 
10:30 a.m.
The Semiclassical Modified Nonlinear Schrödinger Equation: Spectral Analysis.
Jeffery C DiFranco*, Seattle University
Peter Miller, University of Michigan
(104135254)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Knotting and Linking of Macromolecules, I
Room 102, Chemical and Biological Engineering Bldg
Organizers:
Eric J. Rawdon, University of Saint Thomas ericrawdon@gmail.com
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu

8:00 a.m.
The linking probability of a pair of lattice polygons spanning a lattice tube.
Mahshid Atapour*, University of Saskatchewan
(104182292) 
8:30 a.m.
The Probability of Knotting after a Local Strand Passage in a SAP with knottype $K$ in $\mathbb{Z}^3$.
Michael L Szafron*, University of Saskatchewan
Christine E Soteros, University of Saskatchewan
(104162222) 
9:00 a.m.
Entanglement Complexity of Systems of SelfAvoiding Walks in Lattice Tubes.
Chris Soteros*, University of Saskatchewan
(104182280) 
9:30 a.m.
Modeling DNA unknotting.
Mariel Vazquez*, Mathematics Department, San Francisco State University
(104192248) 
10:00 a.m.
Knotting of equilateral random polygons with elevated writhe.
Javier Arsuaga*, San Francisco State University
Rocco Varela, San Francisco State University
Robert Scharein, San Francisco State University
(104192236) 
10:30 a.m.
Knotting probability for models of stretched polymers.
Enzo Orlandini*, Department of Physics, University of Padova, Italy
Buks Janse van Rensburg, Department of Mathematics and statistics, York Univerisity , Toronto
Maria Carla Tesi, Dipartimento di Matematica, Universita' di Bologna, Italy
Stu Whittington, Department of Chemistry, University of Toronto, Canada
(104182246)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:45 a.m.
Special Session on padic Groups and Automorphic Forms, I
Room 101, Hugh Dempster Pavillion
Organizers:
Clifton L. R. Cunningham, University of Calgary cunning@math.ucalgary.ca
Julia Gordon, University of British Columbia gor@math.ubc.ca

8:00 a.m.
Discussion 
9:00 a.m.
Branching Rules for Supercuspidal Representations of SL(2).
Monica Nevins*, University of Ottawa
(10412094) 
10:00 a.m.
Supercuspidal representations of covering groups.
JuLee Kim*, MIT
(104122250)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, I
Room 3, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Sara C. Billey, University of Washington billey@math.washington.edu
Alexander S. Kleshchev, University of Oregon klesh@uoregon.edu
Stephanie Jane Van Willigenburg, University of British Columbia steph@math.ubc.ca

8:00 a.m.
Representations of the Degenerate Affine Sergeev Superalgebra.
David Hill, University of California, Berkeley
Jonathan Kujawa*, University of Oklahoma
Joshua Sussan, University of California, Berkeley
(104116253) 
9:00 a.m.
Refinements of the LittlewoodRichardson Rule.
Jim Haglund, University of Pennsylvania
Kurt Luoto, University of Washington
Sarah Mason*, Davidson College
Steph Van Willigenburg, University of British Columbia
(10410559) 
10:00 a.m.
Differences of Augmented Staircase Skew Schur Functions.
Matthew J Morin*, University of British Columbia
(104105219) 
10:30 a.m.
Generalized Degree Sequences and Plethysm.
Caroline J Klivans*, University of Chicago
Victor Reiner, University of Minnesota
(104105196)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Hilbert Functions and Free Resolutions, I
Room 300, Chemistry Building
Organizers:
Susan Cooper, California Polytechnic State University sucooper@calpoly.edu
Christopher A. Francisco, Oklahoma State University chris@math.okstate.edu
Benjamin P. Richert, California Polytechnic State University brichert@calpoly.edu

8:00 a.m.
Weight Orders and Gröbner bases.
Jennifer Biermann*, Cornell University
Irena Peeva, Cornell University
(104113268) 
8:30 a.m.
Free modules of a multigraded resolution.
Amanda I Beecher*, United States Military Academy
(104113258) 
9:00 a.m.
LCM lattices and Cellular Resolutions of Monomial Ideals.
Sonja Mapes*, Columbia University
(104113127) 
9:30 a.m.
Hilbert functions of monomial curves.
Leslie G. Roberts*, Dept. of Math. and Stats, Queen's University, Kingston, Ontario
(104114177) 
10:00 a.m.
Powers of cover ideals and their associated primes.
Adam Van Tuyl*, Lakehead University
Christopher A. Francisco, Oklahoma State University
Huy Tài Hà, Tulane University
(10411341) 
10:30 a.m.
Ideals defining conjugacy classes of nilpotent matrices.
Riccardo Biagioli, Université de Lyon
Sara Faridi*, Dalhousie University
Mercedes Rosas, Universidad de Sevilla
(10411338)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on Wavelets, Fractals, Tilings and Spectral Measures, I
Room 150, Chemistry Building
Organizers:
Dorin Ervin Dutkay, University of Central Florida ddutkay@mail.ucf.edu
Palle E. T. Jorgensen, University of Iowa jorgen@math.uiowa.edu
Ozgur Yilmaz, University of British Columbia oyilmaz@math.ubc.ca

8:00 a.m.
Bessel multiplier operators.
Deguang Han, University of Central Florida
David R. Larson*, Texas A&M University
(104146226) 
8:30 a.m.
Intersection of dilates of shiftinvariant spaces.
Marcin Bownik*, University of Oregon
(104142120) 
9:00 a.m.
Orthonormal Dilations of Parseval Wavelets.
D. Dutkay, University of Central Florida
D. Han, University of Central Florida
G. Picioroaga*, Binghamton University
Q. Sun, University of Central Florida
(10414699) 
9:30 a.m.
Simple wavelet sets.
Kathy D Merrill*, Colorado College
(104142213) 
10:00 a.m.
Wavelet biframes with few generators from multivariate refinable functions.
Martin Ehler*, University of Maryland (Norbert Wiener Center), National Institutes of Health
Bin Han, Department of Mathematical and Statistical Sciences, University of Alberta
(10414111) 
10:30 a.m.
Symmetric orthonormal complex wavelets with arbitrarily high linearphase moments.
Bin Han*, University of Alberta
(10414207)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:40 a.m.
Special Session on Probability and Statistical Mechanics, I
Room 4, Woodward Building (Instructional Resources Center/IRC)
Organizers:
David Brydges, University of British Columbia db5d@math.ubc.ca
Richard Kenyon, Brown University rkenyon@math.brown.edu

8:00 a.m.
Multicoloured matchings with general restrictions.
Gidi Amir, University of Toronto
Omer Angel*, UBC
Ander Holroyd, Microsoft Research
Terry Soo, UBC
(104160216) 
8:30 a.m.
Gibbs measures on combinatorial structures.
Shankar Bhamidi*, Mathematics Department, University of British Columbia
(104160169) 
9:00 a.m.
Dimer packings with gaps and electrostatics: Boundary interactions.
Mihai Ciucu*, Indiana University
(104182238) 
9:30 a.m.
Asymptotic Expansion for Dimer Lambda_d.
Paul Federbush*, University of Michigan
(104182187) 
10:00 a.m.
Five Stories about the Metropolis Algorithm.
Persi Diaconis*, Stanford University, Departments of Mathematics & Statistics
(104160197)

8:00 a.m.

Saturday October 4, 2008, 8:00 a.m.10:50 a.m.
Special Session on West End Number Theory, I
Room 1221, Forest Sciences Centre
Organizers:
Nils Bruin, Simon Fraser University nbruin@cecm.sfu.ca
Matilde N. Lalin, University of Alberta mlalin@math.ualberta.ca
Greg Martin, University of British Columbia gerg@math.ubc.ca

8:00 a.m.
Evaluating Igusa Functions.
Reinier Broker, Microsoft Research
Kristin E. Lauter*, Microsoft Research
(104111221) 
9:00 a.m.
Split reductions of simple abelian varieties.
Jeffrey D. Achter*, Colorado State University
(104111142) 
10:00 a.m.
Some Improved Algorithms for Performing Arithmetic in Quadratic Fields.
Hugh C Williams*, University of Calgary
(104111138) 
10:30 a.m.
An Explicit Treatment of Biquadratic Function Fields.
Qingquan Wu, University of Calgary
Renate Scheidler*, University of Calgary
(10411152)

8:00 a.m.

Saturday October 4, 2008, 8:30 a.m.10:55 a.m.
Special Session on Noncommutative Geometry, I
Room 301, Hugh Dempster Pavillion
Organizers:
Raphael Ponge, University of Toronto ponge@math.utoronto.ca
Bahram Rangipour, University of New Brunswick bahram@unb.ca
Heath Emerson, University of Victoria hemerson@uvic.ca

8:30 a.m.
The PeterWeylGalois theory of compact principal bundles.
Piotr M. Hajac*, IMPAN
Paul F. Baum,
Ulrich Kraehmer, G. Britain
Rainer Matthes, Germany
Elmar Wagner, Mexico
Bartosz Zielinski, Poland
(104155152) 
9:00 a.m.
Tessera expanders and Lipschitz cohomology.
Jerome Kaminker*, IUPUI
(104146291) 
9:30 a.m.
Hopf algebroids and secondary characteristic classes.
Jerome Kaminker, IUPUI and UC Davis
Xiang Tang*, Washington University
(10415897) 
10:00 a.m.
Noncommutative Tduality.
Calder Daenzer*, University of California at Berkeley
(104151190) 
10:30 a.m.
Positive Cocycles over Noncommutative 2Tori.
YiJun Yao*, Penn State University
(10414639)

8:30 a.m.

Saturday October 4, 2008, 8:30 a.m.10:50 a.m.
Special Session on Convex and Discrete Geometry and Asymptotic Analysis, I
Room 5, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Karoly Bezdek, University of Calgary bezdek@math.ucalgary.ca
A. E. Litvak, University of Alberta alexandr@math.ualberta.ca

8:30 a.m.
A characteristic intersection property of generalized simplices.
Valeriu Soltan*, George Mason University
(10415220) 
9:00 a.m.
Spherical twodistance sets.
Oleg R. Musin*, University of Texas at Brownsville, 80 Fort Brown, Brownsville, TX, 78520
(104152100) 
9:30 a.m.
Transversals of Families of Translates of a Convex Body.
Marton Naszodi*, University of Alberta
(104152267) 
10:00 a.m.
Colourful Simplicial Depth.
Tamon Stephen*, Simon Fraser University
(104152161) 
10:30 a.m.
Light Steiner networks for a point set.
Csaba D. Toth*, University of Calgary
(104152271)

8:30 a.m.

Saturday October 4, 2008, 9:00 a.m.10:20 a.m.
Special Session on Special Functions and Orthogonal Polynomials, I
Room 124, Chemistry Building
Organizers:
Mizanur Rahman, Carleton University mrahman@math.carleton.ca
Diego Dominici, State University of New York New Paltz dominicd@newpaltz.edu

9:00 a.m.
An explicit polynomial form of a qanalogue of the 9j symbols.
Mizan Rahman*, Carleton University
(10413340) 
9:30 a.m.
Tridiagonal pairs of $q$Racah type.
Paul M Terwilliger*, Math Department, University of WisconsinMadison
Tatsuro Ito, Math Department, Kanazawa University
(10413332) 
10:00 a.m.
A nonterminating $q$Dougall summation theorem for hypergeometric series in $U(n)$.
Stephen C Milne*, The Ohio State University
Sheldon L Degenhardt, Baltimore, Maryland
(104133171)

9:00 a.m.

Saturday October 4, 2008, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Topology and Related Topics, I
Room 101, Chemical and Biological Engineering Bldg
Organizers:
Alejandro Adem, University of British Columbia adem@math.ubc.ca
Stephen Ames Mitchell, University of Washington mitchell@math.washington.edu

9:00 a.m.
Deformation Ktheory and moduli spaces of flat connections.
Daniel A Ramras*, Vanderbilt University
(10415521) 
9:30 a.m.
A new interpretation of the quadratic closure of a field.
Sunil K Chebolu*, Illinois State University
Jan Minac, Univerity of Western Ontario
(10411224) 
10:00 a.m.
Spaces of homomorphisms and spaces of representations.
F. R. Cohen*, University of Rochester
A. Adem, University of British Columbia
E. Torres, University of Michigan
(104155191) 
10:30 a.m.
Generalized cohomology and generalized Witt schemes.
Justin Noel*, University of Chicago
(104155162)

9:00 a.m.

Saturday October 4, 2008, 9:00 a.m.10:50 a.m.
Special Session on Noncommutative Algebra and Geometry, I
Room 310, Hugh Dempster Pavillion
Organizers:
Jason Bell, Simon Fraser University jpb@math.sfu.ca
James Zhang, University of Washington zhang@math.washington.edu

9:00 a.m.
Duality for K2 algebras.
Thomas Cassidy*, Bucknell University
Christopher Phan, University of Oregon
Brad Shelton, University of Oregon
(10411668) 
9:30 a.m.
On Isoperimetric Profile of Algebras.
Michele D'Adderio*, University of California San Diego
(10411618) 
10:00 a.m.
Components of AuslanderReiten quivers with modules of finite complexity over a finite dimensional selfinjective algebra.
Edward L Green*, Virginia Tech
Dan Zacharia, Syracuse University
(104116135) 
10:30 a.m.
Gorenstein Invariant Subrings of Regular Algebras under Hopf Algebra Actions.
Ellen E. Kirkman*, Wake Forest University
James J. Kuzmanovich, Wake Forest University
James J. Zhang, University of Washington
(104116183)

9:00 a.m.

Saturday October 4, 2008, 9:00 a.m.10:40 a.m.
Special Session on Moduli Spaces and Singularity Theory, I
Room 103, Chemical and Biological Engineering Bldg
Organizers:
James B. Carrell, University of British Columbia carrell@math.ubc.ca
Patrick Brosnan, University of British Columbia brosnan@math.ubc.ca
Kalle Karu, University of British Columbia karu@math.ubc.ca

9:00 a.m.
Log canonical and Du Bois singularities.
Karl E. Schwede*, Department of Mathematics, University of Michigan
Sandor J. Kovacs, University of Washington
Karen E. Smith, University of Michigan
(104114131) 
10:00 a.m.
Resolution algorithm in characteristic zero and its possible extension in positive characteristic.
Jaroslaw Wlodarczyk*, Department of Mathematics, Purdue University
(104114104)

9:00 a.m.

Saturday October 4, 2008, 11:00 a.m.11:50 a.m.
Invited Address
Ihara zeta functions and quantum chaos.
Room 2000, Biological Sciences Building
Audrey A. Terras*, University of California San Diego
(10411104) 
Saturday October 4, 2008, 2:00 p.m.2:50 p.m.
Invited Address
Branched polymers.
Room 2000, Biological Sciences Building
Richard Kenyon*, Brown University
(10418201) 
Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on History and Philosophy of Mathematics, II
Room 2449, Biological Sciences Building
Organizers:
Shawnee L. McMurran, California State University San Bernardino smcmurra@csusb.edu
James J. Tattersall, Providence College tat@providence.edu

3:00 p.m.
Geometry and Architectural Design in Medieval Islam.
J. L. Berggren*, Simon Fraser University
(10410133) 
3:30 p.m.
Trigonometry on the Edge: Interpolating Your Way to Medieval Astronomical Success.
Glen R Van Brummelen*, Quest University
(10410176) 
4:00 p.m.
Impact of G.H. Hardy and a Course of Pure Mathematics.
Brenda Davison*, Simon Fraser University
(10410125) 
4:30 p.m.
Integral Equations: a "Revolution" in Mathematics in the early 20th Century?
Tom Archibald*, BC
(10410187) 
5:00 p.m.
Advances in the study of air resistance in projectile motion during the early 18th century.
Shawnee L. McMurran*, California State University San Bernardino
(104101133)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Harmonic Analysis and Related Topics, II
Room 200, Chemistry Building
Organizers:
Malabika Pramanik, University of British Columbia malabika@math.ubc.ca
Burak Erdogan, University of Illinois at UrbanaChampaign berdogan@math.uiuc.edu

3:00 p.m.
$L^p$ estimates for the wave equation on Heisenberg type groups.
Detlef Müller, ChristianAlbrechtsUniversität zu Kiel
Andreas Seeger*, University of Wisconson  Madison
(10413522) 
4:00 p.m.
Kronecker constants for sets of integers.
Kathryn E. Hare*, University of Waterloo
(10414283) 
4:30 p.m.
A Dispersive Bound for ThreeDimensional Schrödinger Operators with Threshold Eigenvalues.
Michael Goldberg*, Johns Hopkins University
(104135178) 
5:00 p.m.
Astala's conjecture on Hausdorff measure distortion under planar quasiconformal mappings.
Michael T. Lacey, Georgia Institute of Technology, Fields Institute
T. Eric Sawyer, McMaster University, Fields Institute
Ignacio UriarteTuero*, Michigan State Univ (current), Univ of MissouriColumbia, Fields Institute
(104130188)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:25 p.m.
Special Session on Noncommutative Geometry, II
Room 301, Hugh Dempster Pavillion
Organizers:
Raphael Ponge, University of Toronto ponge@math.utoronto.ca
Bahram Rangipour, University of New Brunswick bahram@unb.ca
Heath Emerson, University of Victoria hemerson@uvic.ca

3:00 p.m.
The ConnesKasparov isomorphism, Mackey's analogy, and parameters for representations.
Nigel Higson*, Penn State University
(104146231) 
4:00 p.m.
Decomposing metric spaces and topological rigidity.
Erik Guentner*, University of Hawaii at Manoa
Romain Tessera, Vanderbilt University
Guoliang Yu, Vanderbilt University
(104119243) 
4:30 p.m.
Ktheory for certain expanders (jointwork with G. Yu).
Hervé OyonoOyono*, PIMSVictoria
Guoliang Yu, Vanderbilt University
(104119176) 
5:00 p.m.
KKtheoretic Poincaré duality and fixed point theorem.
Hyun Kim*, University of Victoria, Canada
(104119125)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Applications of Algebraic Geometry, II
Room 110, Hugh Dempster Pavillion
Organizers:
Elizabeth S. Allman, University of Alaska Fairbanks e.allman@uaf.edu
Rekha R. Thomas, University of Washington thomas@math.washington.edu

3:00 p.m.
Linear Precision for Toric Surface Patches.
Frank Sottile*, Texas A&M University
Luis David GarciaPuente, Sam Houston State University
Kristian Ranestad, Universitet Oslo
HansChristian Graf von Bothmer, Leibniz Universitität Hannover
(10411446) 
3:30 p.m.
Reconstructing Phylogenetic Mixtures.
Elchanan Mossel, University of California, Berkeley
Sebastien Roch*, Microsoft Research
(104160237) 
4:00 p.m.
An Implementation of the BarvinokWoods Integer Projection Algorithm.
Matthias Köppe*, University of California, Davis
Sven Verdoolaege, Universiteit Leiden
Kevin M. Woods, Oberlin College
(104105230) 
4:30 p.m.
Numerical primary decomposition.
Anton Leykin*, University of Illinois at Chicago
(10411451) 
5:00 p.m.
Toric Surface Codes and Minkowski Length of Polygons.
Ivan Soprunov, Cleveland State University
Jenya Soprunova*, Kent State University
(104114270)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Algorithmic Probability and Combinatorics, II
Room 1, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
Marni Mishna, Simon Fraser University mmishna@cs.sfu.ca
Andrew Rechnitzer, University of British Columbia andrewr@math.ubc.ca

3:00 p.m.
A new approach to the variance of shape characteristics of random digital search trees.
HsienKuei Hwang*, Institute of Statistical Science, Academia Sinica, Taipei
(104168242) 
3:30 p.m.
Enumeration of distancehereditary graphs.
Cedric Chauve*, Simon Fraser University
Eric Fusy, Simon Fraser University and CNRS
(104105113) 
4:00 p.m.
Smallest Components and Restricted Patterns in Combinatorial Decomposable Structures.
Daniel Panario*, School of Mathematics and Statistics, Carleton University
(104105101) 
4:30 p.m.
An involution for the enumeration of alternating sign matrices.
Richard Brak*, The University of Melbourne
P. Fijn, The University of Melbourne
(104105117) 
5:00 p.m.
Enumeration opens the door: revealing the structure of the graph by counting bases of two matroids.
Marni Mishna, Simon Fraser University
Nancy Ann Neudauer*, Pacific University
Brett Stevens, Carleton University
(104105141)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Convex and Discrete Geometry and Asymptotic Analysis, II
Room 5, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Karoly Bezdek, University of Calgary bezdek@math.ucalgary.ca
A. E. Litvak, University of Alberta alexandr@math.ualberta.ca

3:00 p.m.
Geometry of sets of quantum maps.
Elisabeth M Werner*, Case Western Reserve University
Stanislaw Szarek, Case Western Reserve University
Karol Zyczkowsk, Jagiellonian University, Krakow
(104152122) 
3:30 p.m.
Uniform estimates for order statistics and Orlicz funvtions.
Carsten H Schuett*, ChristianAlbrechts University
Yehoram Gordon, Technion Haifa
Alexander Litvak, University of Alberta
Elisabeth M Werner, Case Western Reserve University
(104146245) 
4:00 p.m.
Random $\varepsilon$ nets and embeddings in $\ell^N_\infty$.
Yehoram Gordon, Technion,
Alexander Litvak, University of Alberta
Alain Pajor, Universite paris Est
Nicole TomczakJaegermann*, University of Alberta
(104146233) 
4:30 p.m.
Small ball probability estimates for logconcave measures.
Grigorios Paouris*, A&M University
(104152232) 
5:00 p.m.
Covering convex bodies by cylinders.
K. Bezdek, University of Calgary
A. E. Litvak*, University of Alberta
(104152173)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Knotting and Linking of Macromolecules, II
Room 102, Chemical and Biological Engineering Bldg
Organizers:
Eric J. Rawdon, University of Saint Thomas ericrawdon@gmail.com
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu

3:00 p.m.
Random knotting using the BFACF algorithm in constrained geometries.
Robert G Scharein*, Department of Mathematics, San Francisco State University
Mariel Vazquez, same as author #1
F Javier Arsuaga, same as author #1
Zoe Talbot, same as author #1
(104160283) 
3:30 p.m.
Predicting Knot or Link Type of SiteSpecific Recombination Products.
Dorothy Buck*, Imperial College London
Erica Flapan, Pomona College
(104192157) 
4:00 p.m.
Elastic polymer models for DNA: where they work and where they fail.
Graham L. Randall, Baylor College of Medicine, Houston, TX USA
Jonathan M. Fogg, Baylor College of Medicine, Houston, TX USA
Daniel J. Catanese, Baylor College of Medicine, Houston, TX USA
B. Montgomery Pettitt, University of Houston, Houston, TX
Lynn Zechiedrich*, Structural & Computational Biology & Molecular Biophysics, Molecular Virology & Microbiology, Baylor College of Medicine
(104192220) 
4:30 p.m.
DNA Looping in Topologically Constrained Domains.
Stephen D Levene*, University of Texas at Dallas
Andreas Hanke, University of Texas at Brownsville
(104192210) 
5:00 p.m.
How smooth is smooth enough?
Alexander Y Grosberg*, Department of Physics, New York University
(104160146)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on padic Groups and Automorphic Forms, II
Room 101, Hugh Dempster Pavillion
Organizers:
Clifton L. R. Cunningham, University of Calgary cunning@math.ucalgary.ca
Julia Gordon, University of British Columbia gor@math.ubc.ca

3:00 p.m.
Supercuspidal characters and applications.
Jeffrey D Adler, American University
Stephen DeBacker, University of Michigan
Loren R Spice*, University of Michigan
(104122276) 
4:00 p.m.
Towards a lifting of representations of finite reductive groups, with applications to padic base change.
Jeffrey D. Adler*, American University
Joshua M. Lansky, American University
(10412282) 
5:00 p.m.
Twisted characters of depthzero supercuspidal representations of $\mathrm{GL}(n)$.
Jeremy Sylvestre*, University of Alberta, Augustana Campus
(104111255)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Combinatorial Representation Theory, II
Room 3, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Sara C. Billey, University of Washington billey@math.washington.edu
Alexander S. Kleshchev, University of Oregon klesh@uoregon.edu
Stephanie Jane Van Willigenburg, University of British Columbia steph@math.ubc.ca

3:00 p.m.
Kicking the n! Theorem.
S Assaf*, MIT
(10410517) 
4:00 p.m.
Descent algebras for complex reflection groups.
Andrew Mathas, University of Sydney
Rosa Orellana*, Dartmouth
(104105134) 
5:00 p.m.
Filtrations of the q,tCatalan sequence.
Michael A Zabrocki*, York University
(104105228)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.4:50 p.m.
Special Session on Special Functions and Orthogonal Polynomials, II
Room 124, Chemistry Building
Organizers:
Mizanur Rahman, Carleton University mrahman@math.carleton.ca
Diego Dominici, State University of New York New Paltz dominicd@newpaltz.edu

3:00 p.m.
Pade Appropximation and the Riemann Zeta Function.
Peter Borwein*, Simon Fraser University
(104111166) 
3:30 p.m.
An efficient algorithm for the Hurwitz zeta and related functions.
Mark W Coffey*, Colorado School of Mines
(10413380) 
4:00 p.m.
Asymptotic analysis of Hermitetype polynomials.
Diego Dominici*, Technische Universität Berlin
(104133261) 
4:30 p.m.
Matrix valued orthogonal polynomials and inverse problems for networks.
F. Alberto Grunbaum*, Math Dept UC Berkeley
(104160184)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Algebraic Topology and Related Topics, II
Room 101, Chemical and Biological Engineering Bldg
Organizers:
Alejandro Adem, University of British Columbia adem@math.ubc.ca
Stephen Ames Mitchell, University of Washington mitchell@math.washington.edu

3:00 p.m.
Homotopy periods.
Dev Sinha*, University of Oregon
Ben Walter, Purdue University
(10415528) 
3:30 p.m.
Derived smooth manifolds.
David I. Spivak*, University of Oregon
(10415527) 
4:00 p.m.
Motivic weights in the classical Adams spectral sequence.
Daniel Dugger*, University of Oregon
Daniel Isaksen, Wayne State University
(10415564) 
4:30 p.m.
Field Theories, String Topology, and Hochschild homology.
Ralph L Cohen*, Stanford University
(104155115) 
5:00 p.m.
Discussion

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Hilbert Functions and Free Resolutions, II
Room 300, Chemistry Building
Organizers:
Susan Cooper, California Polytechnic State University sucooper@calpoly.edu
Christopher A. Francisco, Oklahoma State University chris@math.okstate.edu
Benjamin P. Richert, California Polytechnic State University brichert@calpoly.edu

3:00 p.m.
Bounding Hilbert functions of fat point schemes.
Susan Cooper, University of Nebraska, Lincoln
Brian Harbourne, University of Nebraska, Lincoln
Zach Teitler*, Texas A&M University
(10411490) 
3:30 p.m.
Intersections of simplices with linear subspaces.
Brian Harbourne*, University of NebraskaLincoln
(10411457) 
4:00 p.m.
Asymptotic Growth of Generalized Symbolic Algebras.
S. Dale Cutkosky*, University of Missouri
Juergen Herzog, University of DuisburgEssen
Hema Srinivasan, University of Missouri
(10411393) 
4:30 p.m.
Standard decompositions.
Irena Peeva*, Cornell University
(10411347) 
5:00 p.m.
Resolution for a class of Homogeneous Gorenstein Algebras.
Hema Srinivasan*, University of Missouri
Sabine El Khoury, American University of Beiruit
(104113212)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Wavelets, Fractals, Tilings and Spectral Measures, II
Room 150, Chemistry Building
Organizers:
Dorin Ervin Dutkay, University of Central Florida ddutkay@mail.ucf.edu
Palle E. T. Jorgensen, University of Iowa jorgen@math.uiowa.edu
Ozgur Yilmaz, University of British Columbia oyilmaz@math.ubc.ca

3:00 p.m.
Multiresolution analyses with nonLebesgue spectrum.
Lawrence Baggett*, University of Colorado
Kathy Merrill, The Colorado College
Judith Packer, University of Colorado
(10414355) 
3:30 p.m.
Decomposing Dutkay's measure on the solenoid.
Judith A Packer*, University of Colorado at Boulder
(104128202) 
4:00 p.m.
On the Uniqueness of IFS Representation of a Cantor Set.
Yang Wang*, Department of Mathematics, Michigan State University
(104142209) 
4:30 p.m.
Moment matrices and integral operators, with application to IFS equilibrium measures.
Keri Kornelson*, University of Oklahoma
Palle Jorgensen, University of Iowa
Karen Shuman, Grinnell College
(104146257) 
5:00 p.m.
Spectral property of Bernoulli convolutions.
TianYau Hu, Math. Dept, University of WisconsinGreenbay, Greenbay, Wi 54311
KaSing Lau*, Mathematics .Department, The Chinese Univ of Hong Kong, HK
(10414288)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on Noncommutative Algebra and Geometry, II
Room 310, Hugh Dempster Pavillion
Organizers:
Jason Bell, Simon Fraser University jpb@math.sfu.ca
James Zhang, University of Washington zhang@math.washington.edu

3:00 p.m.
Group actions and rational ideals.
Martin Lorenz*, Temple University
(10411630) 
3:30 p.m.
Graphs, Frobenius functionals, and the classical YangBaxter equation.
Anthony Giaquinto*, Loyola University Chicago
Murray Gerstenhaber, University of Pennsylvania
(104117264) 
4:00 p.m.
Koszulity of algebras with nonpure resolutions.
DiMing Lu*, Zhejiang University
(10411662) 
4:30 p.m.
Torsiontheoretic representations of generalized Weyl algebras.
Hans E Nordstrom*, University of Portland
(104116155) 
5:00 p.m.
Criteria for Noncommutative Ruledness.
Daniel Chan, University of New South Wales
Adam Nyman*, Western Washington University
(104114110)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:10 p.m.
Special Session on Probability and Statistical Mechanics, II
Room 4, Woodward Building (Instructional Resources Center/IRC)
Organizers:
David Brydges, University of British Columbia db5d@math.ubc.ca
Richard Kenyon, Brown University rkenyon@math.brown.edu

3:00 p.m.
Unravelling the bootstrap percolation paradox.
Alexander E Holroyd*, University of British Columbia
(104160205) 
3:30 p.m.
ForestRoot Formulas in Statistical Mechanics.
John Z Imbrie*, University of Virginia
(104182179) 
4:00 p.m.
Spatial Epidemics and Local Times for Critical Branching Random Walks in Dimensions 2 and 3.
Steven P Lalley*, University of Chicago
Xinghua Zheng, University of Chicago
(104160208) 
4:30 p.m.
Random Complexes and $\ell^2$Betti Numbers.
Russell D Lyons*, Indiana University
(104160111)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.4:40 p.m.
Special Session on Moduli Spaces and Singularity Theory, II
Room 103, Chemical and Biological Engineering Bldg
Organizers:
James B. Carrell, University of British Columbia carrell@math.ubc.ca
Patrick Brosnan, University of British Columbia brosnan@math.ubc.ca
Kalle Karu, University of British Columbia karu@math.ubc.ca

3:00 p.m.
$\Gamma$sectors of an orbifold, Euler characteristics, and vector fields.
Christopher W Seaton*, Rhodes College
Carla Farsi, University of Colorado at Boulder
(104122140) 
4:00 p.m.
Shafarevich hyperbolicity for families over higherdimensional base manifolds.
Sándor Kovács*, University of Washington
Stefan Kebekus, Universität zu Köln
(104114223)

3:00 p.m.

Saturday October 4, 2008, 3:00 p.m.5:20 p.m.
Special Session on West End Number Theory, II
Room 1221, Forest Sciences Centre
Organizers:
Nils Bruin, Simon Fraser University nbruin@cecm.sfu.ca
Matilde N. Lalin, University of Alberta mlalin@math.ualberta.ca
Greg Martin, University of British Columbia gerg@math.ubc.ca

3:00 p.m.
A bound for the least prime ideal in the Chebotarev density problem.
Habiba Kadiri*, University of Lethbridge
Nathan Ng, University of Lethbridge
(104111203) 
3:30 p.m.
Nonvanishing of Lfunctions and an application to Fermat equations.
Nathan Ng*, University of Lethbridge
Michael Bennett, University of British Columbia
Jordan Ellenberg, University of Wisconsin
(104111227) 
4:00 p.m.
On the Diophantine equation $ax^2+by^3=cz^5$.
Sander R. Dahmen*, Department of Mathematics, the University of British Columbia / Simon Fraser University
(104111217) 
4:30 p.m.
Vertical SatoTate Conjecture.
Kaneenika Sinha*, PIMS/University of Alberta
(10411160) 
5:00 p.m.
On Permutation Polynomials.
Amir Akbary*, University of Lethbridge
(104111168)

3:00 p.m.

Saturday October 4, 2008, 3:15 p.m.4:40 p.m.
Contributed Paper Session
Room 1001, Forest Sciences Centre

3:15 p.m.
On Some Diophantine Identities.
Susil Kumar Jena*, KIIT University, Bhubaneswar, Orissa, India
(104111262) 
3:30 p.m.
Stirling numbers as linear combinations of binomial coefficients.
H Tsao*, Novato, California
(10411134) 
3:45 p.m.
A Fixed Point Theorem for Banach Spaces Which Satisfy Opial's Condition.
Rod Freed*, university of california irvine
(104146288) 
4:00 p.m.
CartanFefferman chains of SU(2)invariant CR structures on $S^3$.
Richard Montgomery, University of California at Santa Cruz
Alex L Castro*, University of California at Santa Cruz
(10413219) 
4:15 p.m.
Calculating the Standard Deviation for a Population from Subpopulation Summaries.
Craig M. Browne*, Edgewood, New Mexico
(10416215) 
4:30 p.m.
Astroid's total arc lengths on the positive Cartesian.
Necat Tasdelen*, Retiredmechanic
(10410509)

3:15 p.m.

Saturday October 4, 2008, 6:00 p.m.7:00 p.m.
Reception hosted by the Pacific Institute for the Mathematical Sciences (PIMS)
Pacific Spirit Place (Main Floor), Student Union Building
Sunday October 5, 2008

Sunday October 5, 2008, 7:30 a.m.12:00 p.m.
Meeting Registration
South Concourse, Student Union Building 
Sunday October 5, 2008, 7:30 a.m.12:00 p.m.
Exhibit and Book Sale
South Concourse, Student Union Building 
Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Related Topics, III
Room 200, Chemistry Building
Organizers:
Malabika Pramanik, University of British Columbia malabika@math.ubc.ca
Burak Erdogan, University of Illinois at UrbanaChampaign berdogan@math.uiuc.edu

8:00 a.m.
Oscillatory integral operators in several variables.
Allan Greenleaf*, University of Rochester
(10414267) 
9:00 a.m.
Asymptotic behavior of degenerate oscillatory integrals in two dimensions.
Michael Greenblatt*, University of Illinois at Chicago
(10414278) 
9:30 a.m.
Sublevel sets and coercivity.
Philip T Gressman*, University of Pennsylvania
(104128124) 
10:00 a.m.
The solution of the Kato problem for degenerate elliptic operators with Gaussian bounds.
David CruzUribe SFO, Trinity College
Cristian Rios*, University of Calgary
(104135148) 
10:30 a.m.
Strichartz estimates for the Dirichlet and Neumann wave equations.
Matthew D Blair*, University of New Mexico
Hart Smith, University of Washington
Christopher Sogge, Johns Hopkins University
(104142218)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Applications of Algebraic Geometry, III
Room 110, Hugh Dempster Pavillion
Organizers:
Elizabeth S. Allman, University of Alaska Fairbanks e.allman@uaf.edu
Rekha R. Thomas, University of Washington thomas@math.washington.edu

8:00 a.m.
Algebraic aspects of Gaussian graphical models.
Seth Sullivant*, North Carolina State University
(10411485) 
9:00 a.m.
Discrete Homotopy Groups and Subspace Arrangements.
Helene Barcelo*, Mathematical Sciences Research Institute and Arizona State University
Christopher Severs, Arizona State University
Jacob White, Arizona State University
(104105200) 
9:30 a.m.
Numerical algebraic geometry in optimal control.
Dan Bates*, Colorado State University
(104149129) 
10:00 a.m.
Grassmann Varieties, Schubert Varieties and Computer Vision.
Michael Kirby, Colorado State University
Chris Peterson*, Colorado State University
JenMei Chang, Colorado State University
(104114145) 
10:30 a.m.
On bounding as well as computing the Betti numbers of semialgebraic sets.
Saugata Basu*, Department of Mathematics, Purdue University, West Lafayette.
(104114165)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves and Coherent Structures, II
Room 126, Chemistry Building
Organizers:
Bernard Deconinck, University of Washington bernard@amath.washington.edu
Jeffrey DiFranco, Seattle University difranco@seattleu.edu

8:00 a.m.
SelfReplicating Localized Spot Solutions for ReactionDiffusion Systems in Two Space Dimensions.
Michael J Ward*, Dept. of Mathematics, University of British Columbia
(10413548) 
8:30 a.m.
On the Convergence of Hill's Method.
Christopher W. Curtis*, University of Washington
Bernard Deconinck, University of Washington
(10416579) 
9:00 a.m.
Shortwavelength phenomena in spatially discrete systems.
Harish Bhat*, University of California, Merced
Braxton Osting, Columbia University
Ehsan Afshari, Cornell University
(104134293) 
9:30 a.m.
Surface wave generated by a positive forcing due to an obsruction.
Jeongwhan Choi*, Korea University
ShuMing Sun, Virginia Tech
SungIm Whang, NIMS
(104176180) 
10:00 a.m.
Dispersive Corrections to a Modulation Theory for Stratified Gravity Waves.
Razvan C Fetecau*, Simon Fraser University
David J Muraki, Simon Fraser University
(10417643) 
10:30 a.m.
The ZeroDispersion Similariton.
J. Nathan Kutz*, Applied Mathematics, University of Washington
Brandon G. Bale, Applied Mathematics, University of Washington
(10417858)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Hilbert Functions and Free Resolutions, III
Room 300, Chemistry Building
Organizers:
Susan Cooper, California Polytechnic State University sucooper@calpoly.edu
Christopher A. Francisco, Oklahoma State University chris@math.okstate.edu
Benjamin P. Richert, California Polytechnic State University brichert@calpoly.edu

8:00 a.m.
The Lexpluspowers conjecture holds for monomials.
Jeffrey A Mermin*, University of Kansas
Satoshi Murai, Osaka University
(104113126) 
8:30 a.m.
On the componentwise linearity of lex ideals in toric rings.
Satoshi Murai*, Osaka University
(104113160) 
9:00 a.m.
Complete Intersection Points on General Surfaces in Projective 3space.
Anthony V Geramita*, Queen's Univesity(Canada),Univesita' di Genova (Italy)
Enrico Carlini, Politecnico di Torino, Torino, Italy
Luca Chiantini, Universita' di Siena, Siena, Italy
(10411491) 
9:30 a.m.
Multigraded Hilbert Schemes.
Gregory G Smith*, Queen's University
Diane Maclagan, University of Warwick
(10411496) 
10:00 a.m.
Gorenstein presentations and semidualizing modules.
Sean SatherWagstaff*, North Dakota State University
Dave Jorgensen, University of Texas at Arlington
Graham Leuschke, Syracuse University
(104113154) 
10:30 a.m.
Additive splittings of homogeneous polynomials.
Johannes Kleppe*, Buskerud University College, Department of Technology, Norway
(104114182)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on Wavelets, Fractals, Tilings and Spectral Measures, III
Room 150, Chemistry Building
Organizers:
Dorin Ervin Dutkay, University of Central Florida ddutkay@mail.ucf.edu
Palle E. T. Jorgensen, University of Iowa jorgen@math.uiowa.edu
Ozgur Yilmaz, University of British Columbia oyilmaz@math.ubc.ca

8:00 a.m.
Weighted irregular Gabor and wavelet systems.
JeanPierre Gabardo*, McMaster University
(104142256) 
8:30 a.m.
A wavelet decomposition of Besov spaces in $R^n$.
Jens Gerlach Christensen*, Louisiana State University
Gestur Olafsson, Louisiana State University
(104143175) 
9:00 a.m.
On pseudodifferential operators on fractals.
Marius V Ionescu*, University of Connecticut
Strichartz S Robert, Cornell University
(104146170) 
9:30 a.m.
A resolvent kernel for the Laplacian on pcf self similar fractals.
Marius Ionescu, Cornell University and University of Connecticut
Erin P.J. Pearse, University of Iowa
Luke G. Rogers*, University of Connecticut
HuoJun Ruan, Zhejiang Univeristy and Cornell University
Robert S. Strichartz, Cornell University
(104128249) 
10:00 a.m.
Operator theory of electrical resistance networks.
Erin P. J. Pearse*, University of Iowa
Palle E. T. Jorgensen, University of Iowa
(10413108) 
10:30 a.m.
Gibbs States on the Symbolic Space over a Finite Alphabet.
Eugen Andrei Ghenciu*, University of Alaska Fairbanks
(104137105)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:40 a.m.
Special Session on Probability and Statistical Mechanics, III
Room 4, Woodward Building (Instructional Resources Center/IRC)
Organizers:
David Brydges, University of British Columbia db5d@math.ubc.ca
Richard Kenyon, Brown University rkenyon@math.brown.edu

8:00 a.m.
Discussion 
8:30 a.m.
FixedEnergy Sandpiles and the Poincaré Rotation Number.
Anne Feyden Boer, Technical University Delft
Lionel Levine*, Massachusetts Institute of Technology
(104137109) 
9:00 a.m.
The growth exponent for looperased random walk.
Robert Masson*, University of British Columbia
(104160132) 
9:30 a.m.
Extended scaling relations for planar lattice models.
Vieri Mastropietro*, Universita' di Roma "Tor Vergata"
(104182103) 
10:00 a.m.
1. The Cutoff Phenomenon for Markov chains, and the Ising model.
Jian Ding, University of California, Berkeley
Eyal Lubetzky, Microsoft Research
Yuval Peres*, Microsoft Research
(104160272)

8:00 a.m.

Sunday October 5, 2008, 8:00 a.m.10:50 a.m.
Special Session on West End Number Theory, III
Room 1221, Forest Sciences Centre
Organizers:
Nils Bruin, Simon Fraser University nbruin@cecm.sfu.ca
Matilde N. Lalin, University of Alberta mlalin@math.ualberta.ca
Greg Martin, University of British Columbia gerg@math.ubc.ca

8:00 a.m.
The $p$rank and $a$number of curves in characteristic $p$ with nontrivial automorphism group.
Rachel Pries*, Colorado State University
(104111137) 
9:00 a.m.
$p$adic StarkHeegner point constructions.
Matthew Greenberg*, University of Calgary
(104111150) 
10:00 a.m.
The fractional Galois ideal and Rubin's integral Stark Conjecture.
Paul Richard Buckingham*, University of Alberta
(10411186) 
10:30 a.m.
Constructing simultaneous Hecke eigenforms.
Thomas Shemanske, Dartmouth College
Stephanie Treneer*, Western Washington University
Lynne Walling, University of Bristol
(10411135)

8:00 a.m.

Sunday October 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Algorithmic Probability and Combinatorics, III
Room 1, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
Marni Mishna, Simon Fraser University mmishna@cs.sfu.ca
Andrew Rechnitzer, University of British Columbia andrewr@math.ubc.ca

8:30 a.m.
Graph classes with given $3$connected components: asymptotic counting, limit laws and critical phenomena.
Juanjo Rué*, Universitat Politècnica de Catalunya (UPC)
Marc Noy, Universitat Politècnica de Catalunya (UPC)
Omer Giménez, Universitat Politècnica de Catalunya (UPC)
(104105102) 
9:00 a.m.
Random PatternAvoiding Permutations.
Neal Madras*, York University
(10416044) 
9:30 a.m.
Pattern Theorems for SelfAvoiding Polygons in $\mathbb{Z}^2$ and $\mathbb{Z}^3$.
Chris Soteros*, University of Saskatchewan
(104105284) 
10:00 a.m.
Cutoff and exit from metastability: two sides of the same coin.
Javiera Barrera*, Universidad Tec. Federico Sta. María
Olivier Bertoncini, Université de Rouen
Roberto Fernández, Université de Rouen
(10416029) 
10:30 a.m.
Tails of perpetuities.
Paweł Hitczenko*, Department of Mathematics, Drexel University
Jacek Wesołowski, Wydział MiNI, Politechnika Warszawska
(10416036)

8:30 a.m.

Sunday October 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Convex and Discrete Geometry and Asymptotic Analysis, III
Room 5, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Karoly Bezdek, University of Calgary bezdek@math.ucalgary.ca
A. E. Litvak, University of Alberta alexandr@math.ualberta.ca

8:00 a.m.
Triangulations in high dimensions and the sumproduct problem.
Jozsef Solymosi*, University of British Columbia, Vancouver
(104105299) 
8:30 a.m.
Simultaneous partitions by convex pieces.
Imre Barany*, Renyi Institute, Budapest and UCL, London
(104152163) 
9:00 a.m.
Global Rigidity.
Robert Connelly*, Cornell University, Depatment of Math., Malott Hall, Ithaca, NY 14853
(104151294) 
9:30 a.m.
Spherical Reuleaux Polytopes.
Karoly Bezdek*, Professor, Canada Research Chair, University of Calgary
(104152151) 
10:00 a.m.
Combinatorial structure of Schulte's chiral polyhedra.
Daniel Pellicer, York University
Asia Ivić Weiss*, York University
(104151130) 
10:30 a.m.
The contractibility of the space of noncompact convex hypersurfaces.
Mohammad Ghomi*, Georgia Institute of Technology
(104153234)

8:00 a.m.

Sunday October 5, 2008, 8:30 a.m.10:45 a.m.
Special Session on padic Groups and Automorphic Forms, III
Room 101, Hugh Dempster Pavillion
Organizers:
Clifton L. R. Cunningham, University of Calgary cunning@math.ucalgary.ca
Julia Gordon, University of British Columbia gor@math.ubc.ca

8:30 a.m.
Some Twisted Orthogonality Relations.
Chao Li*, Department of Mathematics, University of Toronto
(10412056) 
9:00 a.m.
Twisted endoscopic character identities for real reductive groups.
Paul Mezo*, Carleton University
(104122199) 
10:00 a.m.
Transfer Principle for the Fundamental Lemma.
Thomas C Hales*, University of Pittsburgh
(104122174)

8:30 a.m.

Sunday October 5, 2008, 8:30 a.m.10:45 a.m.
Special Session on Combinatorial Representation Theory, III
Room 3, Woodward Building (Instructional Resources Center/IRC)

8:30 a.m.
Modules of Constant Jordan type.
Julia Pevtsova*, University of Washington
(104116239) 
9:00 a.m.
Categorification of quantum groups.
Aaron D Lauda*, Columbia University
(104116121) 
10:00 a.m.
qcommuting Dunkl operators and braided Cherednik algebras.
Arkady D Berenstein*, University of Oregon
(104105119)

8:30 a.m.

Sunday October 5, 2008, 9:00 a.m.10:45 a.m.
Special Session on Noncommutative Geometry, III
Room 301, Hugh Dempster Pavillion
Organizers:
Raphael Ponge, University of Toronto ponge@math.utoronto.ca
Bahram Rangipour, University of New Brunswick bahram@unb.ca
Heath Emerson, University of Victoria hemerson@uvic.ca

9:00 a.m.
The algebra of twisted formal pseudodifferential symbols.
Masoud Khalkhali*, University of Western Ontario, London ON, Canada
(104119149) 
9:30 a.m.
Index theory on filtered manifolds.
Erik VanErp*, University of Pennsylvania
(104158194) 
10:00 a.m.
Algebraic index theorem for deformation quantization.
Boris Tsygan*, Northwestern University
(104118297)

9:00 a.m.

Sunday October 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Knotting and Linking of Macromolecules, III
Room 102, Chemical and Biological Engineering Bldg
Organizers:
Eric J. Rawdon, University of Saint Thomas ericrawdon@gmail.com
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu

9:00 a.m.
Relative Tutte Polynomials for Colored Graphs and Virtual Knot Theory.
Yuanan Diao*, Department of Mathematics and Statistics, University of North Carolina Charlotte
Gabor Hetyei, Department of Mathematics and Statistics, UNC Charlotte
(10415750) 
9:30 a.m.
On the ropelength of knots and links.
Claus Ernst*, Western Kentucky University
Yuanan Diao, University of North Carolina at Charlotte
A. Por, Western Kentucky University
U. Ziegler, Western Kentucky University
(104157229) 
10:00 a.m.
Bridge Probability Energy of Knots.
Blake Mitchell, University of Iowa
Nick Navaroli, California State University, San Bernardino
Rolland Trapp*, Cal State San Bernardino
(10415774) 
10:30 a.m.
Discussion

9:00 a.m.

Sunday October 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Special Functions and Orthogonal Polynomials, III
Room 124, Chemistry Building
Organizers:
Mizanur Rahman, Carleton University mrahman@math.carleton.ca
Diego Dominici, State University of New York New Paltz dominicd@newpaltz.edu

9:00 a.m.
Families of quadratic and cubic hypergeometric transformations.
Robert S. Maier*, University of Arizona
(104133286) 
9:30 a.m.
Hypergeometric analogues of the ArithmeticGeometric Mean.
Roger W Barnard*, Texas Tech University
(10413395) 
10:00 a.m.
Orthogonal polynomials and nonlinear difference equations.
Sarah Jane Johnston*, University of the Witwatersrand, Johannesburg, South Africa
Mourad E H Ismail, University of Central Florida, Orlando, Florida, USA
(104133224) 
10:30 a.m.
Constrained Spline Smoothing and Applications.
Kirill A. Kopotun*, University of Manitoba
(10414169)

9:00 a.m.

Sunday October 5, 2008, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Topology and Related Topics, III
Room 101, Chemical and Biological Engineering Bldg
Organizers:
Alejandro Adem, University of British Columbia adem@math.ubc.ca
Stephen Ames Mitchell, University of Washington mitchell@math.washington.edu

9:00 a.m.
Commutators in the Steenrod algebra.
John H Palmieri*, University of Washington
Jian J Zhang, University of Washington
(104155136) 
9:30 a.m.
Finiteness properties of certain homotopy fixed point spectra.
Ethan S. Devinatz*, University of Washington
(10415598) 
10:00 a.m.
Tangle invariants and Springer representations.
Heather Russell, University of Iowa
Julianna Tymoczko*, University of Iowa
(10415563) 
10:30 a.m.
Knot spinning.
Ryan D Budney*, University of Victoria
(10415726)

9:00 a.m.

Sunday October 5, 2008, 9:00 a.m.10:20 a.m.
Special Session on Noncommutative Algebra and Geometry, III
Room 310, Hugh Dempster Pavillion
Organizers:
Jason Bell, Simon Fraser University jpb@math.sfu.ca
James Zhang, University of Washington zhang@math.washington.edu

9:00 a.m.
Generalizing Twisted Homogeneous Coordinate Rings.
Dennis Keeler, Miami University
Kim Retert*, Miami University
(104116263) 
9:30 a.m.
$\mathcal{K}_2$ for augmented algebras.
Christopher Phan*, University of Oregon
(10411672) 
10:00 a.m.
Koszul algebras associated to layered graphs.
Brad Shelton*, University of Oregon
Tom Cassidy, Bucknell University
Christopher Phan, University of Oregon
(104116156)

9:00 a.m.

Sunday October 5, 2008, 9:00 a.m.10:40 a.m.
Special Session on Moduli Spaces and Singularity Theory, III
Room 103, Chemical and Biological Engineering Bldg
Organizers:
James B. Carrell, University of British Columbia carrell@math.ubc.ca
Patrick Brosnan, University of British Columbia brosnan@math.ubc.ca
Kalle Karu, University of British Columbia karu@math.ubc.ca

9:00 a.m.
Good moduli spaces for Artin stacks.
Jarod Alper*, Columbia University
(104114282) 
10:00 a.m.
Functorial reconstruction theorems for algebraic stacks.
Max Lieblich*, Princeton University
Brian Osserman, University of California, Davis
(104114251)

9:00 a.m.

Sunday October 5, 2008, 11:00 a.m.11:50 a.m.
Invited Address
Representation theory of symmetric groups.
Room 2000, Biological Sciences Building
Alexander S. Kleshchev*, University of Oregon
(10412002) 
Sunday October 5, 2008, 2:00 p.m.2:50 p.m.
Invited Address
Population spread and the dynamics of biological invasions.
Room 2000, Biological Sciences Building
Mark Lewis*, University of Alberta
(10413503) 
Sunday October 5, 2008, 3:00 p.m.5:20 p.m.
Special Session on Harmonic Analysis and Related Topics, IV
Room 200, Chemistry Building
Organizers:
Malabika Pramanik, University of British Columbia malabika@math.ubc.ca
Burak Erdogan, University of Illinois at UrbanaChampaign berdogan@math.uiuc.edu

3:00 p.m.
Arithmetic progressions in sets of fractional dimension.
Izabella Laba*, UBC
(104142159) 
4:00 p.m.
Fractional integration on the Heisenberg group: A discrete analogue.
Lillian B. Pierce*, Princeton University
(104143167) 
4:30 p.m.
Optimal Polynomial Return Times.
Neil Lyall*, University of Georgia
(104142278) 
5:00 p.m.
Geometric configurations in finite field geometries.
Derrick N Hart*, Rutgers University
(104142273)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.4:55 p.m.
Special Session on Noncommutative Geometry, IV
Room 301, Hugh Dempster Pavillion
Organizers:
Raphael Ponge, University of Toronto ponge@math.utoronto.ca
Bahram Rangipour, University of New Brunswick bahram@unb.ca
Heath Emerson, University of Victoria hemerson@uvic.ca

3:00 p.m.
Dirac operators for coadjoint orbits of compact semisimple Lie groups.
Marc A. Rieffel*, University of California, Berkeley
(10414661) 
3:30 p.m.
Equivariant $KK$theory for groupoid actions and $C^*$extensions.
Constantin Dorin Dumitraşcu*, Northern Arizona University
Radu Popescu, Instituto Superior Tecnico, Lisbon, Portugal
(104119139) 
4:00 p.m.
Orbifold Sectors and Applications.
Carla Farsi*, University of Colorado
Christopher Seaton, Rhodes College
(104153143) 
4:30 p.m.
Index Theory for SL(n,C).
Robert E Yuncken*, University of Victoria
(104119112)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.5:50 p.m.
Special Session on Applications of Algebraic Geometry, IV
Room 110, Hugh Dempster Pavillion
Organizers:
Elizabeth S. Allman, University of Alaska Fairbanks e.allman@uaf.edu
Rekha R. Thomas, University of Washington thomas@math.washington.edu

3:00 p.m.
Matrix Cubes Parametrized by Eigenvalues.
Jiawang Nie, University of California at San Diego
Bernd Sturmfels*, University of California at Berkeley
(10419013) 
3:30 p.m.
Geometry of the NeighborJoining Algorithm for Small Trees.
Kord Eickmeyer, Institut für Informatik, HumboldtUniversität zu Berlin
Ruriko Yoshida*, University of Kentucky
(10410545) 
4:00 p.m.
Covariance graphs and hidden variables.
Mathias Drton*, University of Chicago
(10416289) 
4:30 p.m.
Discussion 
5:00 p.m.
Discussion 
5:30 p.m.
Discussion

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.4:50 p.m.
Special Session on Algorithmic Probability and Combinatorics, IV
Room 1, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu
Marni Mishna, Simon Fraser University mmishna@cs.sfu.ca
Andrew Rechnitzer, University of British Columbia andrewr@math.ubc.ca

3:00 p.m.
Boltzmann samplers, Pólya theory, and cyclepointing.
Manuel Bodirsky, Ecole Polytechnique, Paris.
Eric P Fusy*, Simon Fraser University, Vancouver
Mihyun Kang, Humboldt Universitaet, Berlin
Stefan Vigerske, Humboldt Universitaet, Berlin
(10410592) 
3:30 p.m.
The subspace pursuit algorithm for compressed sensing signal reconstruction.
Wei Dai*, University of Illinois, UrbanaChampaign
Olgica Milenkovic, University of Illinois, UrbanaChampaign
(104160211) 
4:00 p.m.
Packing sets of patterns.
Alexander Burstein*, Howard University
Peter Hästö, University of Oulu
(104105269) 
4:30 p.m.
Finitary colouring.
Alexander E Holroyd*, University of British Columbia
(104160204)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.5:50 p.m.
Special Session on Convex and Discrete Geometry and Asymptotic Analysis, IV
Room 5, Woodward Building (Instructional Resources Center/IRC)
Organizers:
Karoly Bezdek, University of Calgary bezdek@math.ucalgary.ca
A. E. Litvak, University of Alberta alexandr@math.ualberta.ca

3:00 p.m.
Maximizing the volume of spherically convex bodies of given inradius.
Károly Bezdek, University of Calgary, Canada
Balázs Csikós*, Eötvös University, Hungary
Rolf Schneider, Universität Freiburg, Germany
(104152281) 
3:30 p.m.
Zigzag vectors in linear subspaces of $\mathbb R^n$.
Vladimir G Troitsky*, University of Alberta
(104146118) 
4:00 p.m.
Shadow boundaries and the Fourier transform.
Paul Goodey, University of Oklahoma
Vladyslav Yaskin, University of Alberta
Maryna Yaskina*, University of Alberta
(10415266) 
4:30 p.m.
Christoffel's problem and the Fourier transform.
Paul Goodey, University of Oklahoma
Vladyslav Yaskin*, University of Alberta
Maryna Yaskina, University of Alberta
(10415265) 
5:00 p.m.
"Gaussian measure of sections of dilates and shifts of convex bodies".
Artem Zvavitch*, Kent State University
(104152266) 
5:30 p.m.
On a question of A. Koldobsky.
Alexey Goncharov, South Federal State University, Russia
Dmitry Ryabogin*, Kent State University
(104152300)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.4:20 p.m.
Special Session on Knotting and Linking of Macromolecules, IV
Room 102, Chemical and Biological Engineering Bldg
Organizers:
Eric J. Rawdon, University of Saint Thomas ericrawdon@gmail.com
Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu

3:00 p.m.
How the average bridging number measures tangling.
Robert G. Scharein, Hypnagogic Software
Jonathan K. Simon*, Department of Mathematics, University of Iowa
Mark L. Tucker, Department of Mathematics, University of Iowa
(104174225) 
3:30 p.m.
Knots and Slipknots in Random Walks and Equilateral Polygons.
Kenneth C. Millett*, University of California, Santa Barbara
(104157153) 
4:00 p.m.
Size and Shape of Knotted Polymers.
Eric J Rawdon*, University of Saint Thomas
(104157195)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.5:45 p.m.
Special Session on padic Groups and Automorphic Forms, IV
Room 101, Hugh Dempster Pavillion
Organizers:
Clifton L. R. Cunningham, University of Calgary cunning@math.ucalgary.ca
Julia Gordon, University of British Columbia gor@math.ubc.ca

3:00 p.m.
Some remarks on decay rates of singular unitary representations.
Hadi Salmasian*, University of Windsor
(104122214) 
4:00 p.m.
Arithmetic Quantum Unique Ergodicity on Hyperbolic 3Manifolds.
Lior Silberman*, University of British Columbia
(104158290) 
5:00 p.m.
Class numbers and Mass formulas for quadratic forms.
Jonathan Hanke*, University of Georgia, Athens
(104111301)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.6:15 p.m.
Special Session on Combinatorial Representation Theory, IV
Room 3, Woodward Building (Instructional Resources Center/IRC)

3:00 p.m.
A bijection on cores.
M. Vazirani*, UC Davis
Chris Berg, UC Davis
Brant Jones, UC Davis
(104105147) 
3:30 p.m.
Representations generated by decomposable tensors.
Andrew Berget*, University of Minnesota
(104105106) 
4:30 p.m.
Recursive structures in the cohomology of flag varieties.
Edward L Richmond*, University of Oregon
(10411470) 
5:30 p.m.
On the uniqueness of promotion operators on tensor products of type $A$ crystals.
Jason Bandlow, UC Davis
Anne Schilling*, UC Davis
Nicolas M. Thiery, UC Davis/Orsay, ParisSud
(10410531)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.6:15 p.m.
Special Session on Special Functions and Orthogonal Polynomials, IV
Room 124, Chemistry Building
Organizers:
Mizanur Rahman, Carleton University mrahman@math.carleton.ca
Diego Dominici, State University of New York New Paltz dominicd@newpaltz.edu

3:00 p.m.
Orthogonal Polynomials and Random Matrices.
James A. Mingo*, Queen's University at Kingston
(10413384) 
3:30 p.m.
Integral representations for products of some SturmLiouville functions.
Martin E Muldoon*, York University
(10413371) 
4:30 p.m.
Peakons and Cauchy biorthogonal polynomials.
Jacek Szmigielski*, Department of Mathematics and Statistics, University of Saskatchewan, Saskatoon, Canada
(10413354) 
5:30 p.m.
Discussion

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.3:50 p.m.
Special Session on Algebraic Topology and Related Topics, IV
Room 101, Chemical and Biological Engineering Bldg
Organizers:
Alejandro Adem, University of British Columbia adem@math.ubc.ca
Stephen Ames Mitchell, University of Washington mitchell@math.washington.edu

3:00 p.m.
Discussion 
3:30 p.m.
Discussion

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.4:50 p.m.
Special Session on Wavelets, Fractals, Tilings and Spectral Measures, IV
Room 150, Chemistry Building
Organizers:
Dorin Ervin Dutkay, University of Central Florida ddutkay@mail.ucf.edu
Palle E. T. Jorgensen, University of Iowa jorgen@math.uiowa.edu
Ozgur Yilmaz, University of British Columbia oyilmaz@math.ubc.ca

3:00 p.m.
On the absolute minimum of the dimensions of Sierpiński Pedal Triangles.
Jiu Ding*, Department of Mathematics, University of Southern Mississippi
Zhao Li, Department of Mathematics, Fudan University, Shanghai, China
(10413706) 
3:30 p.m.
The Measure of a Measurement.
Palle E. T. Jorgensen*, University of Iowa
(104147259) 
4:00 p.m.
Sobolev duals in frame theory and sigmadelta quantization.
Ozgur Yilmaz*, University of British Columbia
(104141285) 
4:30 p.m.
Spectral Cantor measures.
Dorin Ervin Dutkay*, University of Central Florida
(104142252)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.5:20 p.m.
Special Session on Noncommutative Algebra and Geometry, IV
Room 310, Hugh Dempster Pavillion
Organizers:
Jason Bell, Simon Fraser University jpb@math.sfu.ca
James Zhang, University of Washington zhang@math.washington.edu

3:00 p.m.
Central simple algebras with involution: a geometric approach.
Nikolaus Vonessen*, University of Montana
(104116198) 
3:30 p.m.
The classification of birationally commutative projective surfaces.
Susan J. Sierra*, University of Washington
(104116189) 
4:00 p.m.
Subalgebras of the Sklyanin algebra.
Daniel Rogalski*, UCSD
(104116279) 
4:30 p.m.
Fujita's Conjecture and Frobenius amplitude.
Dennis S. Keeler*, Miami University
(104114277) 
5:00 p.m.
Some Examples of AS Regular Algebras of type (14641).
Jun Zhang*, University of Washington
(104116181)

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.6:20 p.m.
Special Session on Probability and Statistical Mechanics, IV
Room 4, Woodward Building (Instructional Resources Center/IRC)
Organizers:
David Brydges, University of British Columbia db5d@math.ubc.ca
Richard Kenyon, Brown University rkenyon@math.brown.edu

3:00 p.m.
Can you "hear" the normal cone of your generating function?
Yuliy Baryshnikov, Bell Labs
Robin Pemantle*, University of Pennsylvania
(104160116) 
3:30 p.m.
Random walks on percolation clusters and percolation renormalization on groups.
Gábor Pete*, University of Toronto and MSRI Berkeley
(104160247) 
4:00 p.m.
Discussion 
4:30 p.m.
HallLittlewood process.
Mirjana Vuletic*, Caltech
(104160241) 
5:00 p.m.
Minimum bounded depth spanning trees and Steiner trees.
Omer Angel, University of British Columbia
Abie Flaxman, University of Washington
David B. Wilson*, Microsoft Research
Riccardo Zecchina, ICTP
(104160298) 
5:30 p.m.
Discussion 
6:00 p.m.
Discussion

3:00 p.m.

Sunday October 5, 2008, 3:00 p.m.4:40 p.m.
Special Session on West End Number Theory, IV
Room 1221, Forest Sciences Centre
Organizers:
Nils Bruin, Simon Fraser University nbruin@cecm.sfu.ca
Matilde N. Lalin, University of Alberta mlalin@math.ualberta.ca
Greg Martin, University of British Columbia gerg@math.ubc.ca

3:00 p.m.
The ramification of $p$ in a $p$descent.
David Grant*, University of Colorado at Boulder
(104111265) 
3:30 p.m.
Restricted Irrationality Measures.
Mark Bauer*, University of Calgary
Michael A. Bennett, University of British Columbia
(104111287) 
4:00 p.m.
Arithmetic dynamics.
Dragos Ghioca*, University of Lethbridge
(104111144)

3:00 p.m.