AMS Sectional Meeting Program by Day
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
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.