
AMS Sectional Meeting Program by Day
Current as of Sunday, October 28, 2012 00:28:15
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Fall Central Sectional Meeting
University of Akron, Akron, OH
October 2021, 2012 (Saturday  Sunday)
Meeting #1084
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Saturday October 20, 2012

Saturday October 20, 2012, 7:30 a.m.4:00 p.m.
Book Sale and Exhibit
Atrium 2, College of Arts and Sciences

Saturday October 20, 2012, 7:30 a.m.4:00 p.m.
Meeting Registration
Atrium 1, College of Arts and Sciences

Saturday October 20, 2012, 8:00 a.m.10:50 a.m.
Special Session on A Survey of LatticeValued Mathematics and its Applications, I
Room 409, Leigh Hall Organizers: Austin Melton, Kent State University amelton@kent.edu Stephen E. Rodabaugh, Youngstown State University

8:00 a.m.
Programming Semantics to LatticeValued Topology via Topological Systems.
Stephen E. Rodabaugh*, Youngstown State University
(108406234)

9:00 a.m.
Finite approximation of topological spaces.
Ralph Kopperman*, City College, CUNY
Michael Bukatin, Nokia Corporation, Boston, MA, USA
Steve Matthews, Department of Computer Science, University of Warwick, Coventry, UK
(108454283)

10:00 a.m.
Orders and type 2 fuzzy sets.
John R Harding*, New Mexico State University
(108406369)

Saturday October 20, 2012, 8:00 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Convexity, I
Room 129, Olin Hall Organizers: Benjamin Jaye, Kent State University Dmitry Ryabogin, Kent State University Artem Zvavitch, Kent State University zvavitch@math.kent.edu

8:00 a.m.
The transfer of property $(\beta)$ of Rolewicz by a nonlinear map.
N. Lovasoa Randrianarivony*, Saint Louis University
Stephen Dilworth, University of South Carolina
Denka Kutzarova, Institute of Mathematics, Bulgarian Academy of Science
Gilles Lancien, Université de FrancheComté
(108446274)

8:30 a.m.
Stability and separation in volume comparison problems.
Alexander Koldobsky*, University of MissouriColumbia
(10845237)

9:00 a.m.
The BusemannPetty Problem in Complex Hyperbolic Space.
Susanna Dann*, University of Missouri
(108452198)

9:30 a.m.
tsections of convex bodies.
M. AlfonsecaCubero*, North Dakota State University
F. Nazarov, Kent State University
D Ryabogin, Kent State University
A Zvavitch, Kent State University
(108452205)

10:00 a.m.
Detecting symmetry in star bodies.
Dmitry Ryabogin, Kent State University
Vladyslav Yaskin*, University of Alberta
(108452156)

10:30 a.m.
Sums of Sections and the General Minkowski Problem.
Paul Goodey, University of Oklahoma
Wolfgang Weil*, Karlsruhe Institute of Technology
(108452169)

Saturday October 20, 2012, 8:00 a.m.10:20 a.m.
Special Session on Nonlinear Partial Differential Equations and Harmonic Analysis, I
Room 123A, Olin Hall Organizers: Diego Maldonado, Kansas State University Truyen Nguyen, University of Akron tnguyen@uakron.edu Nguyen Cong Phuc, Louisiana State University

8:00 a.m.
Two Variations of the Boussinesq Equations.
Lizheng Tao*, Oklahoma State University
(108435149)

8:30 a.m.
Trivial Translation Invariant Multilinear Operators.
Geoff Diestel*, Texas A&M UniversityCentral Texas
Loukas Grafakos, University of Missouri
(108442308)

9:00 a.m.
Regularity and uniqueness of the heat flow of biharmonic maps.
Tao Huang*, University of Kentucky
Changyou Wang, University of Kentucky
(108435144)

9:30 a.m.
Uniform $L^p$ improving for weighted averages on curves.
Betsy Stovall*, University of WisconsinMadison
(108442301)

10:00 a.m.
The rise, fall and rebirth of the MuckenhouptWheeden conjecture.
David V. CruzUribe*, Trinity College, Hartford, CT
(108442254)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Additive and Combinatorial Number Theory, I
Room 136, College of Arts and Sciences Organizers: Tsz Ho Chan, University of Memphis Kevin O'Bryant, City University of New York Gang Yu, Kent State University yu@math.kent.edu

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Applied Topology, I
Room 306, Leigh Hall Organizers: Peter Bubenik, Cleveland State University p.bubenik@csuohio.edu Matthew Kahle, Ohio State University

8:30 a.m.
Computing Topological Persistence for Simplicial Maps.
Tamal K Dey*, The Ohio State University, Columbus, Ohio 43210
Fengtao Fan, The Ohio State University, Columbus, Ohio 43210
Yusu Wang, The Ohio State University, Columbus, Ohio 43210
(10846874)

9:30 a.m.
Reeb graphs: Approximation and Persistence.
Tamal Dey, Computer Science and Engineering Dept., The Ohio State University
Yusu Wang*, Computer Science and Engineering Dept., The Ohio State University
(108468105)

10:00 a.m.
Toward understanding complex spaces: graph Laplacians on manifolds with singularities and boundaries.
Mikhail Belkin*, Ohio State University
Qichao Que, Ohio State University
Yusu Wang, Ohio State University
Xueyuan Zhou, University of Chicago
(108400157)

10:30 a.m.
Categorification of Persistent Homology.
Peter Bubenik, Cleveland State University
Jonathan Scott*, Cleveland State University
(10845591)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 143, College of Arts and Sciences Organizers: Livia Hummel, University of Indianapolis Sean SatherWagstaff, North Dakota State University sean.satherwagstaff@ndsu.edu

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Complex Analysis and its Broader Impacts, I
Room 121, Olin Hall Organizers: Mehmet Celik, University of North Texas, Dallas Alexander Izzo, Bowling Green State University Sonmez Sahutoglu, University of Toledo sonmez.sahutoglu@utoledo.edu

8:30 a.m.
Subnormality of block Toeplitz operators on the Hardy space of the unit circle.
Raúl E. Curto*, The University of Iowa
(108447153)

9:00 a.m.
The Essential Norm of Operators on the Bergman Space.
Mishko Mitkovski, Georgia Insitute of Technology
Daniel Suarez, University of Buenos Aires
Brett D. Wick*, Geogia Institute of Technology
(10843208)

9:30 a.m.
The Maximal Ideal Space of the Multiplier Algebra of the Dirichlet Space.
Richard Rochberg*, Washington University, St. Louis MO
(108446110)

10:00 a.m.
Approximation on RealAnalytic Varieties.
John T Anderson*, College of the Holy Cross
Alexander Izzo, Bowling Green State University
(108432298)

10:30 a.m.
What is a thin interpolating sequence?
Pamela Gorkin*, Bucknell University, Lewisburg, PA
Sandra Pott, Lund University, Lund, Sweden
Brett D. Wick, Georgia Institute of Technology, Atlanta, Georgia
(10843038)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Complex Geometry and Partial Differential Equations, I
Room 111, Olin Hall Organizers: Gabor Szekelyhidi, University of Notre Dame Valentino Tosatti, Columbia University Ben Weinkove, University of California San Diego weinkove@math.ucsd.edu

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Extremal Graph Theory, I
Room 134, College of Arts and Sciences Organizers: Arthur Busch, University of Dayton Michael Ferrara, University of Colorado Denver michael.ferrara@ucdenver.edu

8:30 a.m.
Coloring trianglefree triple systems.
Jeff Cooper*, University of Illinois at Chicago
Dhruv Mubayi, University of Illinois at Chicago
(108405252)

9:00 a.m.
Distinguishing Extension Number.
Michael Ferrara, University of Colorado Denver
Ellen Gethner, University of Colorado Denver
Stephen G Hartke, University of NebraskaLincoln
Derrick Stolee*, University of Illinois
Paul S Wenger, Rochester Institute of Technology
(108405161)

9:30 a.m.
Linear colorings of subcubic graphs.
ChunHung Liu, Georgia Tech
Gexin Yu*, College of William and Mary
(108405135)

10:00 a.m.
Colorcritical graphs with few edges.
Alexandr Kostochka, University of Illinois at UrbanaChampaign
Matthew Yancey*, University of Illinois at UrbanaChampaign
(10840518)

10:30 a.m.
New Results on the Geometric Thickness of Graphs.
Stephane Durocher, University of Manitoba
Ellen Gethner*, University of Colorado Denver
Debajyoti Mondal, University of Manitoba
(108405265)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Geometry of Algebraic Varieties, I
Room 145, College of Arts and Sciences Organizers: AnaMarie Castravet, The Ohio State University Emanuele Macrí, The Ohio State University macri.6@osu.edu HsianHua Tseng, The Ohio State University

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Graphs and Polytopes in Algebraic Combinatorics, I
Room 138, College of Arts and Sciences Organizers: Stefan Forcey, University of Akron sf34@uakron.edu Forest Fisher, NOVAManassas

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Groups, Representations, and Characters, I
Room 137, College of Arts and Sciences Organizers: Mark Lewis, Kent State University lewis@math.kent.edu Adriana Nenciu, Otterbein University Ronald Solomon, Ohio State University

8:00 a.m.
Jordan decomposition and realvalued characters.
Bhama Srinivasan, University of Illinois at Chicago
C. Ryan Vinroot*, College of William and Mary
(108420267)

8:30 a.m.
The average degree of an irreducible character.
I. M. Isaacs*, Math. Dept., University of Wisconsin, Madison
Maria Loukaki, Math. Dept., University of Crete, Heraklion, Crete, Greece
Alexander Moreto, University of Valencia, Burjassot, Valencia Spain
(10842052)

9:00 a.m.
Rational Defect Groups and 2Rational Characters, II.
David H Gluck*, Wayne State University
(10842077)

9:30 a.m.
The Brauer Feit bound on irreducible character heights via Knörr lattices.
Michael Aaron Geline*, Northern Illinois University
(108420180)

10:00 a.m.
On the Character Degree Simplicial Complex of a Finite Solvable Group.
Sara Jensen*, University of Wisconsin  Madison
(108420182)

10:30 a.m.
New characteristic subgroups.
James B. Wilson*, Colorado State University
(108420145)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Interactions Between Geometry and Topology, I
Room 311, Leigh Hall Organizers: Dan Farley, Miami University JeanFrancois Lafont, Ohio State University jlafont@math.ohiostate.edu Ivonne J. Ortiz, Miami University

8:30 a.m.
Almost flat manifolds with cyclic holonomy groups bound.
James F Davis*, Indiana University
Fuquan Fang, Capital Normal University, Beijing, China
(108457215)

9:00 a.m.
Rigidity of pseudofree group actions on contractible manifolds.
Frank Connolly, University of Notre Dame
James F Davis, Indiana University Bloomington
Qayum Khan*, Indiana University Bloomington
(108457152)

9:30 a.m.
Manifolds realizing rational homotopy types.
Jim Fowler*, The Ohio State University
Zhixu Su, University of California, Irvine
(108457352)

10:00 a.m.
Tits Geometry and Positive Curvature.
Fuquan Fang*, University of Notre Dame
Karsten Grove, Universrity of Notre Dame
Gudlaugur Thorbergsson, University of Koeln, Germany
(108457307)

10:30 a.m.
End structures and boundaries for open manifolds.
Craig R Guilbault*, University of WisconsinMilwaukee
Frederick C Tinsley, Colorado College
(108457255)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Knot Theory and 4Manifolds, I
Room 307, Leigh Hall Organizers: Tim Cochran, Rice University cochran@rice.edu Christopher Davis, Rice University Kent Orr, Indiana University

8:30 a.m.
Splitting the 3dimensional rational homology cobordism group.
Charles Livingston*, Indiana University, Bloomington
SeGoo Kim, Kyung Hee University, Seoul, Korea
(10845781)

9:00 a.m.
Slice knots which bound Klein bottles.
Arunima Ray*, Rice University
(10845783)

9:30 a.m.
On the geography and botany of Floer homology.
Matthew Hedden*, Michigan State University
Liam Watson, UCLA
(10845748)

10:00 a.m.
Knots are not enough but string links are.
John R. Burke*, Rhode Island College
(108457181)

10:30 a.m.
Filtrations of the Link Concordance and Milnor's Invariants.
Carolyn A Otto*, University of Wisconsin  Eau Claire
(108457177)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Noncommutative Ring Theory, I
Room 139, College of Arts and Sciences Organizers: S. K. Jain, Ohio University Greg Marks, St. Louis University Ashish Srivastava, St. Louis University asrivas3@slu.edu

8:30 a.m.
Compatible Ring Structures on Injective Hulls of Finitely Embedded Rings.
Barbara L. Osofsky*, Rutgers University
(10841643)

9:30 a.m.
On the heredity of vmodules over noetherian nonsingular rings.
Dinh Van Huynh*, Athens
(108416338)

10:00 a.m.
An alternative perspective on projectivity of modules.
Christopher Holston, Ohio University, Athens, OH 45701
Sergio R. LopezPermouth*, Ohio University, Athens, OH 45701
Joseph Mastromatteo, Ohio University, Athens, OH 45701
Jose E SimentalRodriguez, Northeastern University, Boston, MA
(108416143)

10:30 a.m.
Singular matrices as products of idempotent matrices.
Andre G. Leroy*, University of Artois, France
Adel Alahmadi, King Abdulaziz University
Surender K. Jain, Ohio University
(10841660)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Waves and Patterns, I
Room 312, Leigh Hall Organizers: Anna Ghazaryan, Miami University ghazarar@muohio.edu Vahagn Manukian, Miami University

8:30 a.m.
Fronts in a model for gasless combustion with heat loss.
Anna R Ghazaryan*, Miami University, Oxford, Ohio
Stephen Schecter, North Carolina State University, Raleigh, NC
Peter Simon, Eotvos Lorand University, Budapest, Hungary
(10843467)

9:00 a.m.
On the existence of breathers in periodic media: Inverse spectral theory for open gap potentials.
Martina ChirilusBruckner*, Division of Applied Mathematics, Brown University
Clarence Eugene Wayne, Department of Mathematics, Boston University
(108435264)

9:30 a.m.
Instability index theorems for polynomial pencils.
Todd Kapitula*, Calvin College
(108446304)

10:30 a.m.
Linear Stability for Traveling Pulses of the Boussinesq "ABC" System.
Milena Stanislavova*, University of Kansas
Sevdzhan Hakkaev, Shumen University, Bulgaria
Atanas Stefanov, University of Kansas
(108435188)

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Separate versus Joint Continuitya Tribute to I. Namioka, I
Room 124, Olin Hall Organizers: Zbigniew Piotrowski, Youngstown State University zpiotr@math.ysu.edu Eric J. Wingler, Youngstown State University

Saturday October 20, 2012, 8:30 a.m.10:50 a.m.
Special Session on Toric Algebraic Geometry and Beyond, I
Room 144, College of Arts and Sciences Organizers: Kiumars Kaveh, University of Pittsburgh Benjamin Nill, Case Western Reserve University Ivan Soprunov, Cleveland State University i.soprunov@csuohio.edu

8:30 a.m.
sLecture Hall Partitions, SelfReciprocal Polynomials, and Gorenstein Algebras.
Benjamin J Braun*, University of Kentucky
(10840576)

9:00 a.m.
Latticepoint generating functions for free sums of convex sets.
Matthias Beck, San Francisco State University
Pallavi Jayawant, Bates College
Tyrrell B. McAllister*, University of Wyoming
(10845228)

9:30 a.m.
Ehrhart $f^*$vectors and hypergraph coloring complexes.
Felix Breuer*, San Francisco State University
(108452290)

10:00 a.m.
The Unreasonable Ubiquitousness of Quasipolynomials.
Kevin Woods*, Oberlin College
(108452136)

10:30 a.m.
Stable Intersection of Tropical Varieties.
Anders Jensen, Aarhus University
Josephine Yu*, Georgia Tech
(10841466)

Saturday October 20, 2012, 9:00 a.m.10:50 a.m.
Special Session on Issues in the Preparation of Secondary Teachers of Mathematics, I
Room 408, Leigh Hall Organizers: Laurie A. Dunlap, University of Akron dunlapl@uakron.edu Antonio R. Quesada, University of Akron

Saturday October 20, 2012, 9:00 a.m.10:50 a.m.
Special Session on Spectral, Scattering, and Inverse Scattering Theory, I
Room 308, Leigh Hall Organizers: Tanya Christiansen, University of Missouri christiansent@missouri.edu Peter Hislop, University of Kentucky Peter Perry, University of Kentucky

Saturday October 20, 2012, 11:10 a.m.12:00 p.m.
Invited Address
Knots, 4dimensions and fractals.
Room 124, Olin Hall
Tim D. Cochran*, Rice University
(10845702)

Saturday October 20, 2012, 1:25 p.m.2:15 p.m.
Invited Address
Resonances and Schrödinger operators.
Room 124, Olin Hall
T. J. Christiansen*, University of Missouri
(10843501)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on A Survey of LatticeValued Mathematics and its Applications, II
Room 409, Leigh Hall Organizers: Austin Melton, Kent State University amelton@kent.edu Stephen E. Rodabaugh, Youngstown State University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Additive and Combinatorial Number Theory, II
Room 136, College of Arts and Sciences Organizers: Tsz Ho Chan, University of Memphis Kevin O'Bryant, City University of New York Gang Yu, Kent State University yu@math.kent.edu

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Applied Topology, II
Room 306, Leigh Hall Organizers: Peter Bubenik, Cleveland State University p.bubenik@csuohio.edu Matthew Kahle, Ohio State University

2:30 p.m.
Applied Topology and Matrix Methods.
Anil N. Hirani*, University of Illinois at UrbanaChampaign
(108455168)

3:30 p.m.
Fréchet means for distributions of persistence diagrams (Part 1).
Katharine Turner*, University of Chicago
Yuriy Mileyko, Duke University
Sayan Mukherjee, Duke University
John Harer, Duke University
(108462200)

4:00 p.m.
Fréchet means for distributions of persistence diagrams (Part 2).
Katharine Turner, University of Chicago
Yuriy Milyeko, University of Illinois at UrbanaChampaign
Sayan Mukherjee*, Duke University
John Harer, Duke University
(108462238)

4:30 p.m.
Persistent Homology for Metric Measure Spaces and Topological Hypothesis Testing.
Andrew J Blumberg*, University of Texas, Austin
Itamar Gal, University of Texas, Austin
Michael A. Mandell, Indiana University
Mathew Pancia, University of Texas, Austin
(108455348)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Commutative Algebra, II
Room 143, College of Arts and Sciences Organizers: Livia Hummel, University of Indianapolis Sean SatherWagstaff, North Dakota State University sean.satherwagstaff@ndsu.edu

2:30 p.m.
A Geometric Approach to Atomicity and Factorization.
Jason Greene Boynton, North Dakota State University
Jim Coykendall*, North Dakota State University
(108413128)

3:00 p.m.
On Kaplansky's theorem for unique factorization domains.
Jason Greene Boynton*, North Dakota State University
Jim Coykendall, North Dakota State University
(108413342)

3:30 p.m.
Arithmetic of Monoids of Modules over Twodimensional Rings.
Nicholas R Baeth*, University of Central Missouri
Alfred Geroldinger, Karl FranzensUniversität Graz
(10841384)

4:00 p.m.
Prüfer Conditions on Commutative Group Rings.
Sarah Glaz, University of Connecticut
Ryan Schwarz*, SUNY New Paltz
(108413268)

4:30 p.m.
The Ideal Completion of a Noetherian Local Domain.
Simplice Tchamna*, New Mexico State University, Las Cruces, NM.
(108413166)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Complex Analysis and its Broader Impacts, II
Room 121, Olin Hall Organizers: Mehmet Celik, University of North Texas, Dallas Alexander Izzo, Bowling Green State University Sonmez Sahutoglu, University of Toledo sonmez.sahutoglu@utoledo.edu

Saturday October 20, 2012, 2:30 p.m.4:20 p.m.
Special Session on Complex Geometry and Partial Differential Equations, II
Room 111, Olin Hall Organizers: Gabor Szekelyhidi, University of Notre Dame Valentino Tosatti, Columbia University Ben Weinkove, University of California San Diego weinkove@math.ucsd.edu

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Extremal Graph Theory, II
Room 134, College of Arts and Sciences Organizers: Arthur Busch, University of Dayton Michael Ferrara, University of Colorado Denver michael.ferrara@ucdenver.edu

2:30 p.m.
Hamiltonian Properties in 3connected Clawfree Graphs.
Ye Chen, West Virginia University
HongJian Lai*, West Virginia University
Keke Wang, West Virginia University
Meng Zhang, West Virginia University
(108405118)

3:00 p.m.
Pairs of forbidden subgraphs for pancyclicity.
James Carraher*, University of NebraskaLincoln
Michael Ferrara, University of Colorado Denver
Timothy Morris, University of Colorado Denver
Michael Santana, University of Illinois at UrbanaChampaign
(108405142)

3:30 p.m.
Finding and listing induced paths and cycles.
Chinh T Hoang, Wilfrid Laurier University, Canada
Marcin Kaminski, Univsersite Libre de Bruxelles, Belgium
Joe Sawada, University of Guelph, Canada
R. Sritharan*, The University of Dayton
(108405150)

4:00 p.m.
Hypergraph Turan numbers of loose cycles and linear cycles.
Zoltan Furedi, University of Illinois, Urbana and Hungarian Academy of Sciences
Tao Jiang*, Miami University, Oxford, Ohio
(108405208)

4:30 p.m.
On Multiply Chorded Cycles.
Ronald J. Gould*, Emory University, Atlanta, GA 30322
Paul Horn, Harvard University, Cambridge, MA 02138
Colton Magnant, Georgia Southern University
(108405113)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Geometry of Algebraic Varieties, II
Room 145, College of Arts and Sciences Organizers: AnaMarie Castravet, The Ohio State University Emanuele Macrí, The Ohio State University macri.6@osu.edu HsianHua Tseng, The Ohio State University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Graphs and Polytopes in Algebraic Combinatorics, II
Room 138, College of Arts and Sciences Organizers: Stefan Forcey, University of Akron sf34@uakron.edu Forest Fisher, NOVAManassas

2:30 p.m.
The antipode problem for Hopf monoids.
Marcelo Aguiar*, Texas A&M University
Federico Ardila, San Francisco State University
Swapneel Mahajan, Indian Institute of Technology
(108405276)

3:30 p.m.
The Hopf Algebra of Sashes.
Shirley Elizabeth Law*, North Carolina State University
(108405296)

4:00 p.m.
Counting Dyck paths by area and rank.
Saúl A. Blanco*, Department of Mathematical Sciences, DePaul University, Chicago, IL 60614
T. Kyle Petersen, Department of Mathematical Sciences, DePaul University
(108405291)

4:30 p.m.
Discussion

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Groups, Representations, and Characters, II
Room 137, College of Arts and Sciences Organizers: Mark Lewis, Kent State University lewis@math.kent.edu Adriana Nenciu, Otterbein University Ronald Solomon, Ohio State University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Harmonic Analysis and Convexity, II
Room 129, Olin Hall Organizers: Benjamin Jaye, Kent State University Dmitry Ryabogin, Kent State University Artem Zvavitch, Kent State University zvavitch@math.kent.edu

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Interactions Between Geometry and Topology, II
Room 311, Leigh Hall Organizers: Dan Farley, Miami University JeanFrancois Lafont, Ohio State University jlafont@math.ohiostate.edu Ivonne J. Ortiz, Miami University

Saturday October 20, 2012, 2:30 p.m.4:20 p.m.
Special Session on Issues in the Preparation of Secondary Teachers of Mathematics, II
Room 408, Leigh Hall Organizers: Laurie A. Dunlap, University of Akron dunlapl@uakron.edu Antonio R. Quesada, University of Akron

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Knot Theory and 4Manifolds, II
Room 307, Leigh Hall Organizers: Tim Cochran, Rice University cochran@rice.edu Christopher Davis, Rice University Kent Orr, Indiana University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Noncommutative Ring Theory, II
Room 139, College of Arts and Sciences Organizers: S. K. Jain, Ohio University Greg Marks, St. Louis University Ashish Srivastava, St. Louis University asrivas3@slu.edu

2:30 p.m.
Leavitt path algebras of separated graphs and paradoxical decompositions.
Pere Ara*, Universitat Autònoma de Barcelona
Ruy Exel, Universidade Federal de Santa Catarina
(108416236)

3:30 p.m.
A Class of Formal Matrix Rings.
Gaohua Tang, Guangxi Teacher's Education University
Yiqiang Zhou*, Memorial University of Newfoundland
(108416171)

4:00 p.m.
(D)Rickart modules and endomorphism rings.
Gangyong Lee, The Ohio State University
S. Tariq Rizvi*, The Ohio State University
Cosmin Roman, The Ohio State University
(108416257)

4:30 p.m.
Skew cyclic codes and some generalizations.
Hai Q Dinh*, Department of Mathematical Sciences, Kent State University, 4314 Mahoning Avenue, Warren, OH 44483, USA.
(108494346)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Nonlinear Partial Differential Equations and Harmonic Analysis, II
Room 123A, Olin Hall Organizers: Diego Maldonado, Kansas State University Truyen Nguyen, University of Akron tnguyen@uakron.edu Nguyen Cong Phuc, Louisiana State University

2:30 p.m.
Recent progress in the parabolic Signorini problem.
Nicola Garofalo*, Purdue University and University of Padova
Donatella Danielli, Purdue University
Arshak Petrosyan, Purdue University
Tung To, Purdue University
(108435337)

3:30 p.m.
Sharp asymptotic growth laws of turbulent flame speeds in cellular flows by inviscid HamiltonJacobi models.
Jack Xin, University of California at Irvine
Yifeng Yu*, University of California at Irvine
(108435316)

4:00 p.m.
Monge Ampere Equations on exterior domains.
Lei Zhang*, University of Florida
Jiguang Bao, Beijing Normal University
Haigang Li, Beijing Normal University
(108435164)

4:30 p.m.
A Logarithmic Diffusion Equation as the Limit of Porous Medium Equations.
Emmanuele DiBenedetto, Vanderbilt University
Ugo Gianazza, Università di Pavia
Naian Liao*, Vanderbilt University
(108435207)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Nonlinear Waves and Patterns, II
Room 312, Leigh Hall Organizers: Anna Ghazaryan, Miami University ghazarar@muohio.edu Vahagn Manukian, Miami University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Separate versus Joint Continuitya Tribute to I. Namioka, II
Room 124, Olin Hall Organizers: Zbigniew Piotrowski, Youngstown State University zpiotr@math.ysu.edu Eric J. Wingler, Youngstown State University

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Spectral, Scattering, and Inverse Scattering Theory, II
Room 308, Leigh Hall Organizers: Tanya Christiansen, University of Missouri christiansent@missouri.edu Peter Hislop, University of Kentucky Peter Perry, University of Kentucky

2:30 p.m.
Asymptotics of radiation fields in asymptotically Minkowski spacetimes.
Dean Baskin*, Northwestern University
Andras Vasy, Stanford University
Jared Wunsch, Northwestern University
(10843539)

3:00 p.m.
Recovery of a wave speed from the curvature of wavefronts.
Sean Holman*, Purdue University
(108453140)

3:30 p.m.
Painlevé functions and critical behavior in the sineGordon equation.
Robert Buckingham*, University of Cincinnati
Peter D. Miller, University of Michigan, Ann Arbor
(108435261)

4:00 p.m.
Qualitative features of the periodic solutions of KdV.
Peter Topalov*, Northeastern University, Boston
(108435189)

4:30 p.m.
Cloaked resonances for acoustic and quantum mechanical waves.
Allan Greenleaf*, University of Rochester
Yaroslav Kurylev, University College London
Matti Lassas, University of Helsinki
Ulf Leonhardt, School of Physics and Astronomy, University of St. Andrews
Gunther Uhlmann, University of CaliforniaIrvine and University of Washington
(108435174)

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Stochastic Processes and Applications, I
Room 305, Leigh Hall Organizers: Oana Mocioalca, Kent State University oana@math.kent.edu

Saturday October 20, 2012, 2:30 p.m.4:50 p.m.
Special Session on Toric Algebraic Geometry and Beyond, II
Room 144, College of Arts and Sciences Organizers: Kiumars Kaveh, University of Pittsburgh Benjamin Nill, Case Western Reserve University Ivan Soprunov, Cleveland State University i.soprunov@csuohio.edu

Saturday October 20, 2012, 5:05 p.m.5:55 p.m.
Invited Address
Parabolic flows in complex geometry.
Room 124, Olin Hall
Ben Weinkove*, University of California, San Diego
(10845303)

Saturday October 20, 2012, 6:15 p.m.7:30 p.m.
University of Akron Department of Mathematics Poster Session and Reception
Ballroom C, Quaker Inn
Inquiries: meet@ams.org

