AMS Sectional Meeting Program by Day
Current as of Saturday, October 25, 2014 00:33:06
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Fall Eastern Sectional Meeting
Dalhousie University, Halifax, Canada
October 1819, 2014 (Saturday  Sunday)
Meeting #1103
Associate secretaries:
Steven H Weintraub, AMS shw2@lehigh.edu
Saturday October 18, 2014

Saturday October 18, 2014, 7:30 a.m.4:00 p.m.
Meeting Registration
Lower Foyer, First Floor, McCain Hall

Saturday October 18, 2014, 8:00 a.m.4:00 p.m.
Exhibit and Book Sale
Upper Foyer, First Floor, McCain Hall

Saturday October 18, 2014, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra and Its Interactions with Algebraic Geometry, I
Room 2102, McCain Hall
Organizers:
Susan Marie Cooper, North Dakota State University
Sara Faridi, Dalhousie University faridi@dal.ca
William Traves, U.S. Naval Academy

8:00 a.m.
Edge ideals of circulant graphs.
Adam Van Tuyl*, Department of Mathematical Sciences, Lakehead University
(11031314)

8:30 a.m.
Betti Numbers of Simplicial Forests.
Nursel Erey*, Dalhousie University
Sara Faridi, Dalhousie University
(110305100)

9:00 a.m.
Path ideals of weighted graphs.
Sean SatherWagstaff*, NDSU
Bethany Kubik, US Military Academy
Chelsey Paulsen, Guy B. Phillips Middle School
(110313118)

9:30 a.m.
Regularity of powers of edge ideals.
Selvi Beyarslan, Tulane University
Tai Ha*, Tulane University
Tran Nam Trung, Institute of Math, VAST, Vietnam
(11031354)

10:00 a.m.
Some numerical results on decompositions of Betti diagrams.
Chris Francisco*, Oklahoma State University
Jeffrey Mermin, Oklahoma State University
Jay Schweig, Oklahoma State University
(11031317)

10:30 a.m.
Singularities of locally acyclic cluster algebras.
Angelica Benito, University of Michigan
Greg Muller, University of Michigan
Jenna Rajchgot*, University of Michigan
Karen E. Smith, University of Michigan
(110313141)

Saturday October 18, 2014, 8:00 a.m.10:45 a.m.
Special Session on Differential Geometry and Mathematical Physics, I
Room 1130, McCain Hall
Organizers:
Virginie Charette, Université de Sherbrooke v.charette@usherbrooke.ca
Karin Melnick, University of Maryland

Saturday October 18, 2014, 8:00 a.m.10:45 a.m.
Special Session on Generalized Catalan Algebraic Combinatorics, I
Room 2176, McCain Hall
Organizers:
François Bergeron, Université du Québec à Montréal
Franco Saliola, Université du Québec à Montréal
Hugh Thomas, University of New Brunswick
Nathan Williams, Université du Québec à Montréal nathan.f.williams@gmail.com

Saturday October 18, 2014, 8:00 a.m.10:50 a.m.
Special Session on Hopf Algebras, I
Room 2017, McCain Hall
Organizers:
Yuri Bahturin, Memorial University of New Foundland
Margaret Beattie, Mount Allison University
Mitja Mastnak, Saint Mary's University mmastnak@cs.smu.ca

Saturday October 18, 2014, 8:00 a.m.10:50 a.m.
Special Session on New Directions in Category Theory, I
Room 2016, McCain Hall
Organizers:
Pieter Hofstra, University of Ottawa phofstra@uottawa.ca
Dorette Pronk, Dalhousie University

Saturday October 18, 2014, 8:00 a.m.10:50 a.m.
Special Session on Sampling Theory, I
Room 1102, McCain Hall
Organizers:
John J. Benedetto, University of Maryland jjb@math.umd.edu
JeanPierre Gabardo, McMaster University
Ozgur Yilmaz, University of British Columbia

8:00 a.m.
A new class of random matrices and secondorder stochastic chaos.
Enrico AuYeung*, DePaul University
(11034277)

8:30 a.m.
Sampling and Geometry.
Stephen D. Casey*, American University
(11034371)

9:00 a.m.
Bergman spaces in several complex variables and coorbit theory.
Jens Gerlach Christensen*, Colgate University
Karlheinz Gröchenig, University of Vienna
Gestur Ólafsson, Louisiana State University
(11034150)

9:30 a.m.
NearOptimal Quantization for Random Frames.
Sinan Gunturk*, Courant Institute of Mathematical Sciences, New York University
(110394165)

10:00 a.m.
The Robustness Property of JohnsonLindenstrauss Lemma.
Bin Han*, University of Alberta
Zhiqiang Xu, The Chinese Academy of Sciences
(11036824)

10:30 a.m.
Linear Independence of TimeFrequency Translates.
Christopher Heil*, Georgia Tech
(11034210)

Saturday October 18, 2014, 8:00 a.m.10:50 a.m.
Special Session on Special Functions and Their Applications, I
Room 1198, McCain Hall
Organizers:
Mourad E. H. Ismail, University of Central Florida mourad.eh.ismail@gmail.com
Nasser Saad, University of Prince Edward Island

8:00 a.m.
On W. Gordon's integral (1929) and related applications.
Nasser Saad*, University of Prince Edward Island
(11030053)

8:30 a.m.
Exceptional Hermite Polynomials.
Robert Milson*, Dalhousie University
David Gomez Ullate, Complutense University
Yves Grandati, Universite Lorraine
(11033318)

9:00 a.m.
Zeros and irreducibility of Chebyshevlike polynomials.
Karl Dilcher*, Dalhousie University
Kenneth B. Stolarsky, University of Illinois
(11033348)

9:30 a.m.
Positivity of rational functions and their diagonals.
Armin Straub*, University of Illinois at UrbanaChampaign
Wadim Zudilin, University of Newcastle
(11033328)

10:00 a.m.
MehlerHeine type formulas for Charlier and Meixner polynomials.
Diego Dominici*, SUNY New Paltz
(11033320)

10:30 a.m.
On special functions arising in the theory of stochastic processes.
Alexey Kuznetsov*, Department of Mathematics and Statistics, York University, Toronto
(11033306)

Saturday October 18, 2014, 8:00 a.m.10:45 a.m.
Special Session on padic Methods in Arithmetic, I
Room 2116, McCain Hall
Organizers:
Henri Darmon, McGill University
Adrian Iovita, Concordia University
Sujatha Ramdorai, University of British Columbia sujatha@math.ubc.ca

Saturday October 18, 2014, 8:30 a.m.10:50 a.m.
Special Session on Advances in Harmonic Analysis and Partial Differential Equations, I
Room 1170, McCain Hall
Organizers:
David CruzUribe, Trinity College
Scott Rodney, Cape Breton University scott.rodney@gmail.com

8:30 a.m.
$L^p$ Liouville Theorems for Invariant Partial Differential Equations.
Alessia E. Kogoj*, Mathematics Department, University of Bologna
Ermanno Lanconelli, Mathematics Department, Università di Bologna
(11033561)

9:00 a.m.
Regularity of solutions to degenerate elliptic equations under nondoubling conditions.
Lyudmila Korobenko, University of Calgary
Cristian Rios*, University of Calgary
(110335102)

9:30 a.m.
Regularity results for weak solutions of elliptic PDEs below the natural exponent.
David CruzUribe, Trinity College
Kabe Moen*, University of Alabama
Scott Rodney, Cape Breton University
(110335192)

10:00 a.m.
Extrapolation in weighted variable Lebesgue spaces.
LiAn Daniel Wang*, Trinity College
David CruzUribe, Trinity College
(110342119)

10:30 a.m.
Some characterizations of local bmo and Hardy spaces on spaces of homogeneous type.
Galia Dafni*, Concordia. University
Ethan Mombourquette, Concordia University
Hong Yue, Georgia College and State University
(110342157)

Saturday October 18, 2014, 9:00 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, I
Room 2190, McCain Hall
Organizers:
Cristina Ballantine, College of the Holy Cross
Rosa Orellana, Dartmouth College
Mercedes Rosas, Universidad de Sevilla mrosas@us.es

9:00 a.m.
The Steinberg torus and the Coxeter complex of a Weyl group.
Marcelo Aguiar*, Cornell University
T Kyle Petersen, DePaul University
(11030575)

9:30 a.m.
RestrictionInduction Centralizer Algebras.
Tom Halverson*, Macalester College
Nathaniel Thiem, University of Colorado, Boulder
(11031679)

10:00 a.m.
Symmetries on the lattice of kbounded partitions.
Chris Berg, Google
Nathan Williams, University du Quebec à Montréal
Mike Zabrocki*, York University
(110305200)

10:30 a.m.
Lattice quotients of weak order and algebra quotients of preprojective algebras.
Osamu Iyama, Nagoya University
Nathan Reading, North Carolina State University
Idun Reiten, Norwegian University of Science and Technology
Hugh Thomas*, University of New Brunswick
(110316195)

Saturday October 18, 2014, 9:00 a.m.10:50 a.m.
Special Session on Experimental Mathematics in Number Theory, Analysis, and Combinatorics, I
Room 2021, McCain Hall
Organizers:
Marc Chamberland, Grinnell College chamberl@math.grinnell.edu
Karl Dilcher, Dalhousie University

Saturday October 18, 2014, 9:00 a.m.10:50 a.m.
Special Session on Symbolic Dynamics and Combinatorics on Words, I
Room 2162, McCain Hall
Organizers:
Srecko Brlek, Université du Québec à Montréal
Reem Yassawi, Trent University ryassawi@gmail.com

9:00 a.m.
Perfect sets and words avoiding patterns.
James D. Currie*, University of Winnipeg
(110305117)

9:30 a.m.
Counting Squares in Binary Words.
Nataša Jonoska*, University of South Florida, Tampa FL, USA
Florin Manea, ChristianAlbrechtsUniversität zu Kiel, Kiel, Germany
Shinnosuke Seki, Aalto University, Helsinki, Finland
(110305130)

10:00 a.m.
Extending the BrlekReutenauer Identity.
S. Brlek, Laboratoire de Combinatoire et d'Informatique Mathématique, Université du Québec à Montréal
N. Lafrenière*, Laboratoire de Combinatoire et d'Informatique Mathématique, Université du Québec à Montréal
(110305150)

10:30 a.m.
Study of finite Sturmian words.
Christophe Reutenauer*, Université du Québec à Montréal
(11030532)

Saturday October 18, 2014, 9:00 a.m.9:55 a.m.
Contributed Paper Session
Room 2198, McCain Hall

Saturday October 18, 2014, 11:05 a.m.11:55 a.m.
Invited Address
Galois representations and Iwasawa theory.
Scotia Bank Auditorium, McCain Hall
Sujatha Ramdorai*, University of British Columbia
(11031104)

Saturday October 18, 2014, 1:55 p.m.2:45 p.m.
Invited Address
Moduli spaces and the classification of geometric structures on manifolds.
Scotia Bank Auditorium, McCain Hall
William M. Goldman*, University of Maryland
(11035303)

Saturday October 18, 2014, 3:00 p.m.4:50 p.m.
Special Session on Advances in Harmonic Analysis and Partial Differential Equations, II
Room 1170, McCain Hall
Organizers:
David CruzUribe, Trinity College
Scott Rodney, Cape Breton University scott.rodney@gmail.com

3:00 p.m.
A Biparameter Tb Theorem with an Application to Holomorphic Extension in $\mathbb C^2$.
Jarod Hart*, Wayne State University
Alessandro Monguzzi, University of Milan
(11034495)

3:30 p.m.
Two weight norm inequalities for singular and fractional integral operators in $R^n$.
Eric T. Sawyer, McMaster University
ChunYen Shen, National Central University, Taiwan
Ignacio UriarteTuero*, Michigan State University
(110342199)

4:00 p.m.
Characterizing geometric regularity of sets via the behavior of the Riesz transforms.
Marius Mitrea*, University of Missouri
(110335123)

4:30 p.m.
Almostorthogonality without discreteness or smoothness.
James Michael Wilson*, University of Vermont, Burlington, Vermont, USA
(11034249)

Saturday October 18, 2014, 3:00 p.m.4:50 p.m.
Special Session on Combinatorial Representation Theory, II
Room 2190, McCain Hall
Organizers:
Cristina Ballantine, College of the Holy Cross
Rosa Orellana, Dartmouth College
Mercedes Rosas, Universidad de Sevilla mrosas@us.es

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra and Its Interactions with Algebraic Geometry, II
Room 2102, McCain Hall
Organizers:
Susan Marie Cooper, North Dakota State University
Sara Faridi, Dalhousie University faridi@dal.ca
William Traves, U.S. Naval Academy

3:00 p.m.
Local cohomology of determinantal ideals over the integers.
Uli Walther*, Purdue University
Gennady Lyubeznik, University of Minnesota
Anurag K. Singh, University of Utah
(11031392)

3:30 p.m.
Hilbert Coefficients and Reduction Numbers.
Laura Ghezzi*, New York City College of Technology, CUNY
(11031326)

4:00 p.m.
Automorphisms of genus $2$ curves and their skeletons.
Amy Ksir*, United States Naval Academy
Caroline Grant Melles, United States Naval Academy
(110314140)

4:30 p.m.
The derived category of Grassmannians.
RagnarOlaf Buchweitz, University of Toronto
Graham J Leuschke*, Syracuse University
Michel Van den Bergh, Universiteit Hasselt
(110314114)

5:00 p.m.
Torsion Divisor Classes.
Sandra Spiroff*, University of Mississippi
Sean SatherWagstaff, North Dakota State University
(11031370)

5:30 p.m.
Open problems on negativity in algebraic geometry and connections to combinatorics and commutative algebra.
Brian Harbourne*, University of NebraskaLincoln
(11031481)

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on Differential Geometry and Mathematical Physics, II
Room 1130, McCain Hall
Organizers:
Virginie Charette, Université de Sherbrooke v.charette@usherbrooke.ca
Karin Melnick, University of Maryland

Saturday October 18, 2014, 3:00 p.m.4:20 p.m.
Special Session on Experimental Mathematics in Number Theory, Analysis, and Combinatorics, II
Room 2021, McCain Hall
Organizers:
Marc Chamberland, Grinnell College chamberl@math.grinnell.edu
Karl Dilcher, Dalhousie University

Saturday October 18, 2014, 3:00 p.m.5:20 p.m.
Special Session on Games on Graphs
Room 2198, McCain Hall
Organizers:
Jason Brown, Dalhousie University
Jeannette Janssen, Dalhousie University
Moderators:
Richard Nowakowski, Dalhousie University r.nowakowski@dal.ca

3:00 p.m.
TALK CANCELLED: Containment: A Variation of Cops and Robbers.
Natasha Komarov*, Carnegie Mellon University
John Mackey, Carnegie Mellon University
(11030569)

3:30 p.m.
The cop number of Generalized Petersen graphs.
Taylor Ball, Indiana University
Robert W Bell*, Michigan State University
Jonathan Guzman, California State University, Long Beach
Madeleine HansonColvin, Bryn Mawr College
Nikolas Schonsheck, Vassar College
(11030530)

4:00 p.m.
Biased Weak Polyform Achievement Games.
Ian Norris, Northern Arizona University
Nandor Sieben*, Northern Arizona University
(11039141)

4:30 p.m.
Recognizing Values from Hackenbush Hotchpotch.
Neil A. McKay*, Dalhousie University
(110305171)

5:00 p.m.
Discussion

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on General Relativity, I
Room 1116, McCain Hall
Organizers:
Jack Gegenberg, University of New Brunswick geg@unb.ca

3:00 p.m.
Title: Modified Gravity and Dark Matter.
John W Moffat*, Perimeter Institute for Theoretical Physics
(110383169)

4:00 p.m.
Effects of nonstandard kinetic terms on resonant preheating.
Sanjeev S Seahra*, University of New Brunswick
(110383146)

4:30 p.m.
Mass Functionals for Initial Data with Symmetries.
Aghil Alaee*, Memorial University of Newfoundland
(110383166)

5:00 p.m.
Gravitational YangMills Theory Revisited.
J Gegenberg*, Department of Mathematics and Statistics, University of New Brunswick
G Kunstatter, Physics Department, University of Winnipeg
S Rahmati, Department of Mathematics and Statistics, University of New Brunswick
(110383151)

5:30 p.m.
Probing black hole physics with MelvinKerrNewman spacetimes.
Ivan Booth*, Dept of Math and Stats, Memorial University
(110383109)

Saturday October 18, 2014, 3:00 p.m.5:45 p.m.
Special Session on Generalized Catalan Algebraic Combinatorics, II
Room 2176, McCain Hall
Organizers:
François Bergeron, Université du Québec à Montréal
Franco Saliola, Université du Québec à Montréal
Hugh Thomas, University of New Brunswick
Nathan Williams, Université du Québec à Montréal nathan.f.williams@gmail.com

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on Hopf Algebras, II
Room 2017, McCain Hall
Organizers:
Yuri Bahturin, Memorial University of New Foundland
Margaret Beattie, Mount Allison University
Mitja Mastnak, Saint Mary's University mmastnak@cs.smu.ca

3:00 p.m.
Hopf categories.
Stefaan Caenepeel*, Vrije Universiteit Brussel, Belgium
Eliezer Batista, Universidade Federal de Santa Catarina, Brazil
Joost Vercruysse, Université Libre de Bruxelles, Belgium
(110316155)

4:00 p.m.
Gradings on trialitarian algebras and simple Lie algebras of type $D_4$.
Alberto Elduque, University of Zaragoza
Mikhail Kochetov*, Memorial University of Newfoundland
(110317153)

4:30 p.m.
Counting number of isomorphism classes of extensions.
Leonid Krop*, DePaul University, Chicago, IL
(11031658)

5:00 p.m.
Measurings in graded connected Hopf algebras.
Aaron Lauve*, Loyola University Chicago
Mitja Mastnak, St. Mary's University
(110316188)

5:30 p.m.
Cleft Extensions and Quotients of Twisted Doubles.
SiuHung Ng*, Louisiana State University
(110316160)

Saturday October 18, 2014, 3:00 p.m.5:45 p.m.
Special Session on New Directions in Category Theory, II
Room 2016, McCain Hall
Organizers:
Pieter Hofstra, University of Ottawa phofstra@uottawa.ca
Dorette Pronk, Dalhousie University

3:00 p.m.
Pitts Monads and a Lax Descent Theorem.
Marta C. Bunge*, McGill University, Department of Mathematics and Statistics, Montreal, QC, Canada
(11031822)

4:00 p.m.
Isotropy, crossed sheaves, and braidings.
Jon Funk*, The University of the West Indies, Cave Hill Campus, Barbados
Pieter Hofstra, The University of Ottawa
(110318104)

4:30 p.m.
On "propositions by testing" in logic and mathematics.
Vincent L. Rouleau*, University of Ottawa
(110303180)

5:00 p.m.
Category Theory in Topological Data Analysis.
Peter Bubenik*, Cleveland State University
(11031880)

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on Sampling Theory, II
Room 1102, McCain Hall
Organizers:
John J. Benedetto, University of Maryland jjb@math.umd.edu
JeanPierre Gabardo, McMaster University
Ozgur Yilmaz, University of British Columbia

3:00 p.m.
Recovery Guarantees for PhaseLift from NonGaussian Measurements.
David Gross, University of Freiburg
Felix Krahmer*, University of Goettingen
Richard Kueng, University of Freiburg
(11034151)

3:30 p.m.
Gabor orthonormal bases generated by the unit cubes.
Chun Kit Lai*, San Francisco State University
JeanPierre Gabardo, McMaster University
Yang Wang, Hong Kong University of Science and Technology
(110342143)

4:00 p.m.
Bandpass Prolates and an Application to Electroencephalography.
Joseph D Lakey*, New Mexico State University
(11039416)

4:30 p.m.
Multipath elimination by sparse inversion in ThroughTheWallRadarImaging.
Hassan Mansour*, Mitsubishi Electric Research Laboratories
(11039066)

5:00 p.m.
Exponential bases, PaleyWiener spaces and applications.
Azita Mayeli*, The Graduate Center, City University of New York
(110341138)

5:30 p.m.
Fusion frames and randomized subspace actions.
Alexander M Powell*, Vanderbilt University
Xuemei Chen, University of Missouri
(110341152)

Saturday October 18, 2014, 3:00 p.m.5:20 p.m.
Special Session on Special Functions and Their Applications, II
Room 1198, McCain Hall
Organizers:
Mourad E. H. Ismail, University of Central Florida mourad.eh.ismail@gmail.com
Nasser Saad, University of Prince Edward Island

3:00 p.m.
Quadratic algebra contractions, 2nd order superintegrable systems and the Askey scheme.
Willard Miller, Jr.*, School of Mathematics, University of Minnesota
(11033315)

3:30 p.m.
Using supersymmetric quantum mechanics to generate families of solvable potentials.
Ash Arsenault*, University of Prince Edward Island
(11033362)

4:00 p.m.
The multivariate Hahn polynomials as interbasis expansion coefficients for a superintegrable system.
Vincent X Genest*, Centre de recherches mathématiques and Université de Montréal
Luc Vinet, Centre de recherches mathématiques and Université de Montréal
(11033321)

4:30 p.m.
$q$Rotations and Krawtchouk polynomials.
Vincent Genest, Centre de recherches mathématiques, Université de Montréal
Sarah Post, University of Hawai'i
Luc Vinet*, Centre de recherches mathématiques, Université de Montréal
(11033345)

5:00 p.m.
Some families of quaternionic Hermite polynomials.
Syed Twareque Ali*, Department of Mathematics and Statistics, Concordia University, Montreal, Canada
(11033343)

Saturday October 18, 2014, 3:00 p.m.5:50 p.m.
Special Session on Symbolic Dynamics and Combinatorics on Words, II
Room 2162, McCain Hall
Organizers:
Srecko Brlek, Université du Québec à Montréal
Reem Yassawi, Trent University ryassawi@gmail.com

3:00 p.m.
Some properties of a RudinShapirolike sequence.
Narad Rampersad*, University of Winnipeg
(11036831)

3:30 p.m.
Automorphisms of subshifts with low factor complexity.
Van Cyr*, Bucknell University
Bryna Kra, Northwestern University
(110337173)

4:00 p.m.
Some constant length substitutions on closed subsets of the padic integers.
Reem Yassawi*, Department of Mathematics, Trent University
Eric Rowland, University of Liege, Belgium
(110337182)

4:30 p.m.
Approximations and digraph representations of $p$adic transformations.
Joanna M Furno*, Wesleyan University
(11033783)

5:00 p.m.
A $d$dimensional extension of Christoffel words.
Sébastien Labbé*, Université ParisDiderot Paris 7  LIAFA
Christophe Reutenauer, UQAM  LaCIM
(110305156)

5:30 p.m.
Open Problem Session

Saturday October 18, 2014, 3:00 p.m.5:45 p.m.
Special Session on padic Methods in Arithmetic, II
Room 2116, McCain Hall
Organizers:
Henri Darmon, McGill University
Adrian Iovita, Concordia University
Sujatha Ramdorai, University of British Columbia sujatha@math.ubc.ca
Inquiries: meet@ams.org