AMS Sectional Meeting Program by Day
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2011 Fall Central Section Meeting
University of NebraskaLincoln, Lincoln, NE
October 1416, 2011 (Friday  Sunday)
Meeting #1074
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Sunday October 16, 2011

Sunday October 16, 2011, 8:00 a.m.11:50 a.m.
Special Session on Algebraic Geometry and Graded Commutative Algebra, III
Room 103, Burnett Hall Organizers: Susan Cooper, Central Michigan University s.cooper@cmich.edu Brian Harbourne, University of NebraskaLincoln

8:00 a.m.
A theorem in representation theory for DG algebras, with an application to a question of Vasconcelos.
Sean SatherWagstaff*, North Dakota State University
Saeed Nasseh, North Dakota State University
(10741376)

8:30 a.m.
Generalizing the Borel condition.
Christopher Francisco*, Oklahoma State University
Jeffrey Mermin, Oklahoma State University
Jay Schweig, University of Kansas
(10741387)

9:00 a.m.
Regularity of $(n2)$plane arrangements in $\mathbb{P}^n$ with a complete bipartite incidence graph.
Douglas A Torrance*, University of Idaho
Zach Teitler, Boise State University
(107414238)

9:30 a.m.
Projective Monomial Curves in $\mathbb{P}^3$.
Leslie G. Roberts*, Queen's University, Kingston, Ontario
Ping Li, Department of Mathematics, Queen's University, Kingston, ON
(107414152)

10:00 a.m.
Containment Problem for Points on a Reducible Conic in $\mathbb{P}^2$.
Mike Janssen*, University of NebraskaLincoln
(107414143)

10:30 a.m.
Resolutions of monomial ideals using simplicial trees.
Sara Faridi*, Dalhousie University, Halifax, NS, Canada
(107413161)

11:00 a.m.
Monomials as sums of powers.
Enrico Carlini*, Politecnico di Torino
Maria Virginia Catalisano, Universita' di Genova
Anthony V Geramita, Queen's University
(10741384)

11:30 a.m.
Monomials as sums of powers  Part II.
Mats Boij, KTH, Stockholm, Sweden
Enrico Carlini, Politecnico di Torino
Maria Virginia Catalisano, Universita' di Genova
Anthony V. Geramita*, Queen's University (Kingston), Universita' di Genova
(107414192)

Sunday October 16, 2011, 8:00 a.m.11:20 a.m.
Special Session on Algorithmic and Geometric Properties of Groups and Semigroups, IV
Room 119, Avery Hall Organizers: Susan Hermiller, University of NebraskaLincoln shermiller2@math.unl.edu John Meakin, University of NebraskaLincoln

8:00 a.m.
Poset cohomology, Leray numbers and the global dimension of left regular bands.
Stuart W Margolis, BarIlan University
Franco Saliola, University of Quebec at Montreal
Benjamin Steinberg*, City College of New York
(10742061)

8:30 a.m.
Promotion maps for group actions.
Max Forester*, University of Oklahoma
(107455282)

9:00 a.m.
Ends of Semigroups.
Vesna Kilibarda*, Indiana University Northwest
Simon Craik, University of St Andrews
Robert D. Gray, University of St Andrews
Victor Maltcev, University of St Andrews
James D. Mitchell, University of St Andrews
Nik Ruskuc, University of St Andrews
(107420120)

9:30 a.m.
Centralizers of finite subgroups of the mapping class group and almost fixed points in the curve complex.
Hao Liang*, University of Illinois at Chicago
(107420127)

10:00 a.m.
$\mathbb{Z}^n$free groups are CAT(0).
Inna Bumagin*, Carleton University
(107420223)

10:30 a.m.
A class of metabelian automaton groups.
David McCune*, University of NebraskaLincoln
(107420264)

11:00 a.m.
On nary adding machines and solvable groups.
Said N. Sidki*, Universidade de Brasilia
(10742085)

Sunday October 16, 2011, 8:00 a.m.11:50 a.m.
Special Session on Association Schemes and Related Topics, IV
Room 108, Avery Hall Organizers: Sung Y. Song, Iowa State University sysong@iastate.edu Paul Terwilliger, University of Wisconsin Madison

Sunday October 16, 2011, 8:00 a.m.8:50 a.m.
Special Session on Asymptotic Behavior and Regularity for Nonlinear Evolution Equations, IV
Room 204, Burnett Hall Organizers: Petronela Radu, University of NebraskaLincoln pradu@math.unl.edu Lorena Bociu, University of NebraskaLincoln

Sunday October 16, 2011, 8:00 a.m.10:20 a.m.
Special Session on Commutative Algebra, IV
Room 107, Burnett Hall Organizers: Christina EubanksTurner, University of Louisiana at Lafayette ceturner@louisiana.edu Aihua Li, Montclair State University

8:00 a.m.
Wild Hypersurfaces.
Andrew Crabbe, Philadelphia PA
Graham J. Leuschke*, Syracuse University
(107413240)

8:30 a.m.
Annihilators of Local Cohomology Modules.
Laura R. Lynch*, College of Coastal Georgia
(107413313)

9:00 a.m.
An Algorithm for Computing Elasticities of Block Monoids.
Karl Kattchee*, University of WisconsinLa Crosse
Trever Hallock, University of WisconsinLa Crosse
(107413211)

9:30 a.m.
On Augmented Graded Rings.
Mashhoor A. Refai*, Professor/vice president for academic affairs,princess sumaya university for technology,AmmanJordan
(10741333)

10:00 a.m.
Strong and weak finitely valuative domains.
PaulJean Cahen*, AixMarseille Université
David E Dobbs, University of Tennessee, Knoxville
Thomas G Lucas, University of North Carolina Charlotte
(107413212)

Sunday October 16, 2011, 8:00 a.m.11:20 a.m.
Special Session on Dynamic Systems on Time Scales with Applications, IV
Room 118, Burnett Hall Organizers: Lynn Erbe, University of NebraskaLincoln lerbe@math.unl.edu Allan Peterson, University of NebraskaLincoln

8:00 a.m.
Multiple Fixed Point Theorems Utilizing Operators and Functionals of LeggettWilliams Type.
Rich Avery*, Dakota State University
(107447280)

8:30 a.m.
HyersUlam stability of secondorder linear dynamic equations on time scales.
Douglas R Anderson*, Concordia College Moorhead
(10743425)

9:00 a.m.
Necessary and sufficient conditions for uniform stability in volterra systems of integrodynamic equations on time scale.
Youssef Naim Raffoul*, University of Dayton
(10743765)

9:30 a.m.
Oscillation results for second order nonlinear dynamic equaations on time scales.
Lynn Erbe*, University of Nebraska, Lincoln, Nebraska
Allan Peterson, University of Nebraska, Lincoln, Nebraska
Baoguo Jia, Zhongshan University
(107439249)

10:00 a.m.
Green's Functions for Discrete and Continuous Fractional BVPs.
Christopher S. Goodrich*, University of NebraskaLincoln
(107434104)

10:30 a.m.
Nabla Laplace Transforms and Fractional Calculus.
Kevin A Ahrendt*, University of NebraskaLincoln
Mike Holm, University of NebraskaLincoln
Lucas Castle, Lamar University
Kathryn Yochman, RoseHulman Institute of Technology
(107434243)

11:00 a.m.
On the number of generalized zeros of solutions of a second order dynamic equation on a time scale.
Lynn Erbe, University of NebraskaLincoln
Gro Hovhannisyan, Kent StateStark
Allan Peterson*, University of NebraskaLincoln
(107434250)

Sunday October 16, 2011, 8:00 a.m.10:45 a.m.
Special Session on Dynamical Systems and Operator Algebras, IV
Room 119, Burnett Hall Organizers: Lewis Bowen, Texas A&M University lpbowen@math.tamu.edu David Kerr, Texas A&M University

Sunday October 16, 2011, 8:00 a.m.11:20 a.m.
Special Session on Extremal and Probabilistic Combinatorics, IV
Room 118, Avery Hall Organizers: Stephen Hartke, University of NebraskaLincoln hartke@math.unl.edu Jamie Radcliffe, University of NebraskaLincoln

8:00 a.m.
Spanning trees of shifted simplicial complexes.
Caroline J Klivans, University of Chicago
Art M Duval, University of Texas, El Paso
Jeremy L Martin*, University of Kansas
(107405217)

8:30 a.m.
Combinatorial Proofs of Some Chromatic Polynomial Constraints.
Rebecca I. Swanson*, Nebraska Wesleyan University
(107405277)

9:00 a.m.
On the Chromatic Thresholds of Hypergraphs.
J Balogh, University of Illinois at UrbanaChampaign
J Butterfield*, University of Illinois at UrbanaChampaign
P Hu, University of Illinois at UrbanaChampaign
J Lenz, University of Illinois at Chicago
D Mubayi, University of Illinois at Chicago
(107405255)

10:00 a.m.
Counting graph homomorphisms.
David Galvin*, University of Notre Dame
(10740562)

10:30 a.m.
Independent sets in graphs with given minimum degree.
Jonathan Cutler*, Montclair State University
James Alexander, Montclair State University
Tim Mink, Montclair State University
(107405183)

11:00 a.m.
Spectra of Hypergraphs.
Joshua N Cooper*, University of South Carolina
Aaron Dutle, University of South Carolina
(107405287)

Sunday October 16, 2011, 8:00 a.m.10:50 a.m.
Special Session on Matrices and Graphs, IV
Room 112, Avery Hall Organizers: InJae Kim, Minnesota State University injae.kim@mnsu.edu Adam Berliner, St. Olaf College Leslie Hogben, Iowa State University Bryan Shader, University of Wyoming

8:00 a.m.
The principal rank characteristic sequence of a real symmetric matrix.
Richard Brualdi, University of WisconsinMadison
Louis Deaett*, Quinnipiac University
Dale Olesky, University of Victoria
Pauline van den Driessche, University of Victoria
(107415326)

8:30 a.m.
Patterns of Alternating Sign Matrices.
Richard A Brualdi, University of Wisconsin
Kathleen P Kiernan, University of Wisconsin
Seth A Meyer*, University of Wisconsin
Michael W Schroeder, Marshall University
(107415297)

9:00 a.m.
Cyclic Matching Sequencibility of Graphs.
Michael W Schroeder*, Marshall University
Richard A Brualdi, University of Wisconsin
Kathleen P Kiernan, University of Wisconsin
Seth A Meyer, University of Wisconsin
(107405312)

9:30 a.m.
Acyclic matrices with few distinct and few multiple eigenvalues.
Reshmi Nair*, University of Wyoming
Bryan Shader, University of Wyoming
(107405137)

10:00 a.m.
Eventually reducible matrices.
Ulrica Wilson*, Morehouse College
Leslie Hogben, Iowa State University
(107415102)

10:30 a.m.
The NilpotentCentralizer method.
Colin M Garnett*, The University of Wyoming
(10741548)

Sunday October 16, 2011, 8:00 a.m.11:45 a.m.
Special Session on Quantum Groups and Representation Theory, IV
Room 111, Avery Hall Organizers: Jonathan Kujawa, University of Oklahoma kujawa@ou.edu Natasha Rozhkovskaya, Kansas State University

8:00 a.m.
Calculating finite group cohomology with Kostant partition functions.
Cornelius Pillen*, Department of Mathematics and Statistics, University of South Alabama
(107420226)

9:00 a.m.
Universal weight functions of quantum affine algebras.
Alexander Shapiro*, UC Berkeley
(107481210)

9:30 a.m.
Whittaker categories for Lie superalgebras.
Irfan Bagci, University of CaliforniaRiverside
Konstantina Christodoulopoulou, University of Connecticut
Emilie Wiesner*, Ithaca College
(107417309)

10:00 a.m.
Finite $W$superalgebras for queer Lie superalgebras and higher Sergeev duality.
Lei Zhao*, University of Oklahoma
(10741639)

10:30 a.m.
The FRTConstruction via Quantum Affine Algebras and Smash Products.
Garrett Johnson*, North Carolina State University
Chris Nowlin, University of California, Santa Barbara
(107417246)

11:00 a.m.
Some filtration results for Weyl modules.
Brian J. Parshall*, University of Virginia
(107420206)

Sunday October 16, 2011, 8:00 a.m.11:45 a.m.
Special Session on Recent Directions in Number Theory, III
Room 106, Avery Hall Organizers: Alina Cojocaru, University of Illinois at Chicago Michael Zieve, University of Michigan zieve@umich.edu

8:00 a.m.
Nonabelian CohenLenstra Heuristics.
Nigel Boston*, University of Wisconsin  Madison
(10741174)

9:00 a.m.
Asymptotically good families of codes, curves, graphs, number fields, and 3manifolds.
Farshid Hajir*, University of Massachusetts, Amherst
(107411187)

10:00 a.m.
Integral Division Points on Curves.
David Grant*, Department of Mathematics, University of Colorado at Boulder
SuIon Ih, Department of Mathematics, University of Colorado at Boulder
(107411205)

11:00 a.m.
A conjecture of LangTrotter type for abelian surfaces.
Jeff Achter*, Colorado Stae University
(107411188)

Sunday October 16, 2011, 8:30 a.m.10:50 a.m.
Special Session on Coding Theory, IV
Room 110, Avery Hall Organizers: Christine Kelley, University of NebraskaLincoln ckelley2@math.unl.edu Judy Walker, University of NebraskaLincoln

8:30 a.m.
On codes from finite projective plane.
Adonus L. Madison, Lane College
Junhua Wu*, Lane College
(107400336)

9:00 a.m.
ePerfect Codes.
Francis N. Castro, Department of Mathematics, University of Puerto Rico, Rio Piedras Campus
Heeralal Janwa*, Department of Mathematics, University of Puerto Rico, Rio Piedras Campus
Gary L. Mullen, Department of Mathematics, The Pennsylvania State University,
Ivelisse M. Rubio, Department of Computer Science, University of Puerto Rico, Rio Piedras Campus
(107494328)

9:30 a.m.
Optimal Distance Profiles of Binary SelfDual Type II Codes.
Finley J. Freibert*, University of Louisville
JonLark Kim, University of Louisville
(107494112)

10:00 a.m.
$\mathbb{F}_{p}$Codes, theta series, and the Hamming weight MacWilliams identity.
David Keyes*, University of Colorado, Boulder
(10741130)

10:30 a.m.
A matrix approach to Group Convolutional Codes.
Sergio R. LópezPermouth, Ohio University
Steve Szabo*, Eastern Kentucky University
(107416279)

Sunday October 16, 2011, 8:30 a.m.10:50 a.m.
Special Session on Invariants in Knot Theory and Lowdimensional Topology, IV
Room 109, Avery Hall Organizers: Mark Brittenham, University of NebraskaLincoln mbrittenham2@math.unl.edu Robert Todd, University of NebraskaOmaha rtodd@unomaha.edu

8:30 a.m.
On the AJ Conjecture.
Thang LE*, Georgia Institute of Technology
Anh TRAN, Georgia Institute of Technology
(10745769)

9:00 a.m.
Generalized Alexander Polynomials for Virtual Knots.
Alissa S Crans*, Loyola Marymount University
Allison Henrich, Seattle University
Sam Nelson, Claremont McKenna College
(107457323)

9:30 a.m.
Twisted Virtual Biracks.
Sam Nelson*, Claremont McKenna College
(107457121)

10:00 a.m.
Smoothed Parity Invariants.
Heather A Dye*, McKendree University
(10745792)

10:30 a.m.
Projective representations of the mapping class Groups of surfaces coming from extended TQFT.
Charles D Frohman*, The University of Iowa
Michael C Fitzpatrick, The University of Iowa
Joann KaniaBartoszynska, National Science Foundation
(10745768)

Sunday October 16, 2011, 9:00 a.m.10:50 a.m.
Special Session on Discrete Methods and Models in Biomathematics, IV
Room 121, Burnett Hall Organizers: Dora Matache, University of NebraskaOmaha Jim Rogers, University of NebraskaOmaha Alan VelizCuba, University of NebraskaLincoln avelizcuba2@unl.edu

Sunday October 16, 2011, 9:00 a.m.11:50 a.m.
Special Session on Local Commutative Algebra, IV
Room 115, Burnett Hall Organizers: H. Ananthnarayan, University of NebraskaLincoln ahariharan2@math.unl.edu Inês B. Henriques, University of California Riverside Hamid Rahmati, Syracuse University

Sunday October 16, 2011, 9:00 a.m.11:50 a.m.
Special Session on Recent Progress in Operator Algebras, IV
Room 120, Burnett Hall Organizers: Allan P. Donsig, University of NebraskaLincoln adonsig1@unl.edu David R. Pitts, University of NebraskaLincoln

Sunday October 16, 2011, 9:00 a.m.11:40 a.m.
Session for Contributed Papers
Room 19, Avery Hall

9:00 a.m.
FrobeniusSchur indicators of quantum groups and symmetric tensor categories.
Miodrag Cristian Iovanov*, University of Southern California and University of Bucharest
Susan Montgomery, University of Southern California
(10742022)

9:15 a.m.
Hereditary category algebras of finite EI categories.
Liping Li*, School of Mathematics, University of Minnesota
(10741626)

9:30 a.m.
Hyperbolic cluster algebras.
Ibrahim Abdou Saleh*, Kansas State University, Manhattan Ks
(107405138)

9:45 a.m.
On the range of possible integrities of graphs G(n,k).
Mustafa Atici*, Western Kentcuky University
Claus Ernst, Western Kentucky University
(10740567)

10:00 a.m.
On congruence relations of graphs.
Evgenia Karmanova*, Saratov State University named after N.G. Chernyshevsky, Russian Federation
(10740014)

10:15 a.m.
Attractors of dynamic systems associated with paths and cycles.
Anastasiya Vlasova*, Saratov State University named after N.G. Chernyshevsky, Russian Federation
(10740515)

10:30 a.m.
On certain quadratic irrational cosines and transcendence of the angle over $\pi$.
Iraj Kalantari, Western Illinois University
Mojtaba Moniri*, Western Illinois University
(10741124)

10:45 a.m.
New type of multiplicative relations of Gauss sums.
H Kim*, Southern University at New Orleans
(107411289)

11:00 a.m.
Dynamics of continuous and discrete models in systems biology.
Alan VelizCuba*, University of NebraskaLincoln
Joseph Arthur, North Carolina State University
Laura Hochstetler, Asbury University
Victoria Klomps, Northwestern College
Erikka Korpi, University of WisconsinRiver Falls
(10749240)

11:15 a.m.
Binary Normal Network Space Is Connected.
Devin R. Bickner*, Iowa State University
(107492201)

11:30 a.m.
On JordanGrothendieck type theorem for dual characterization of real locally C*algebras.
Alexander A. Katz, St. John's University, NY, USA
Oleg Friedman*, UNISA, RSA and Touro College/LCM, Kew Gardens Hills, NY, USA
(107446126)
Inquiries: meet@ams.org

