
AMS Sectional Meeting Program by Day
Current as of Saturday, March 10, 2007 00:26:22
Program 
Deadlines 
Registration/Housing/Etc. 
Special Event or Lecture 
Inquiries: meet@ams.org
2007 Spring Southeastern Section Meeting
Davidson, NC, March 34, 2007 (Saturday  Sunday)
Meeting #1024
Associate secretaries: Matthew Miller, AMS miller@math.sc.edu
Saturday March 3, 2007

Saturday March 3, 2007, 7:30 a.m.4:00 p.m.
Meeting Registration
Gallery, Chambers Building

Saturday March 3, 2007, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Gallery, Chambers Building

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Dynamical Systems, I
Room 3187, Chambers Building Organizers: Emily B. Gamber, Santa Fe Institute
Donna K. Molinek, Davidson College domolinek@davidson.edu
James S. Wiseman, Agnes Scott College

8:00 a.m.
Subclasses of Limited Scope Adic Transformations.
Sarah Bailey Frick*, The Ohio State University
Karl Petersen, The University of North Carolina
(102437193)

8:30 a.m.
Modifying a branched surface to carry a foliation.
Sandra L Shields*, College of Charleston
(102454144)

9:00 a.m.
Itineraries of rigid rotations.
David S. Richeson*, Dickinson College
Jim Wiseman, Agnes Scott College
Paul Winkler, Dickinson College
(10243751)

9:30 a.m.
Dynamical properties of stochastic cellular automata.
Jane Hawkins*, University of North Carolina at Chapel Hill
Donna Molinek, Davidson College and University of N. Carolina at Chapel Hill
(102437102)

10:00 a.m.
Dynamics of the Nash Map.
R Becker, Indiana University
S Chakrabarti, Indiana University Purdue University Indianapolis
W Geller, Indiana University Purdue University Indianapolis
B Kitchens*, Indiana University Purdue University Indianapolis
M Misiurewicz, Indiana University Purdue University Indianapolis
(102437197)

10:30 a.m.
Actions of AbelianbyCyclic Groups generated by Diffeomorphisms Close to the Identity.
Anne E McCarthy*, Temple University
(102437119)

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, I
Room 3106, Chambers Building Organizers: Chaim GoodmanStrauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London

8:00 a.m.
Escherization.
Craig S Kaplan*, University of Waterloo
(10246894)

8:30 a.m.
Spontaneous geometry via circle packing.
Ken Stephenson*, University of Tennessee
(102451113)

9:00 a.m.
An approach to the diffraction of quasicrystallographic random tilings.
C Richard*, University of Bielefeld, Germany
(102443172)

9:30 a.m.
Shape theory and substitution tiling spaces.
Alex Clark*, University of North Texas
John Hunton, University of Leicester
Catherine LlewellynJones, University of Leicester
(102437194)

10:00 a.m.
Algebraic Descriptions of Complex Geometric Shapes.
Natasha Jonoska, University of South Florida
Gregory McColm*, University of South Florida
(102452198)

10:30 a.m.
Recursive renewablity and primitive substitutiveness of rotation words.
Shigeki Akiyama*, Niigata University
(102411167)

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Geometric and Combinatorial Methods in Representation Theory, I
Room 2187, Chambers Building Organizers: Brian Boe, University of Georgia
William A. Graham, University of Georgia wag@math.uga.edu
Kailash C. Misra, North Carolina State University

8:00 a.m.
Quantum Group Cohomology.
Christopher P. Bendel*, University of WisconsinStout
Daniel K. Nakano, University of Georgia
Brian J. Parshall, University of Virginia
Cornelius Pillen, University of South Alabama
(10242064)

8:30 a.m.
Selfextensions for finite symplectic groups via algebraic groups.
Cornelius Pillen*, University of South Alabama
(102420228)

9:00 a.m.
Representation type of blocks of Category $\mathcal{O}_S$.
Kenyon J. Platt*, University of Georgia
(102408176)

9:30 a.m.
Cohomology of Category $\mathcal O$ for the Virasoro algebra.
Brian Boe, University of Georgia
Dan Nakano, University of Georgia
Emilie Wiesner*, University of Georgia
(102417214)

10:00 a.m.
Dual combinatorics of clusters.
Nathan Reading*, NC State University
David E Speyer, University of Michigan
(102405186)

10:30 a.m.
Discussion.

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Computational Group Theory, I
Room 3084, Chambers Building Organizers: Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
Luise Charlotte Kappe, Binghamton University
Robert F. Morse, University of Evansville

8:00 a.m.
Applications of CGT to the theory of groups.
Robert Fitzgerald Morse*, Department of Electrical Engineering and Computer Science, University of Evansville
(102420141)

9:00 a.m.
On the $p$groups of maximal class (Preliminary report).
Heiko Dietrich*, Technische Universitaet Braunschweig, Institut Computational Mathematics (Germany)
Bettina Eick, Technische Universitaet Braunschweig, Institut Computational Mathematics (Germany)
(102420128)

9:30 a.m.
On the construction of CF pro$p$groups by coclass.
Doerte Feichtenschlager*, Technische Universitaet Braunschweig
Bettina Eick, Technische Universitaet Braunschweig
(10242041)

10:00 a.m.
Rewriting systems for a family of perfect groups.
Jack Schmidt*, University of Kentucky
(102420130)

10:30 a.m.
Computing automorphism groups of general linear groups.
Margret Soley Jonsdottir*, Colorado State University
(102420258)

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Commutative Rings and Monoids, I
Room 2164, Chambers Building Organizers: Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu

Saturday March 3, 2007, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra and Algebraic Geometry, I
Room 2146, Chambers Building Organizers: Florian Enescu, Georgia State University
Andrew R. Kustin, University of South Carolina
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

8:00 a.m.
On the degree two entry of a Gorenstein $h$vector and a conjecture of Stanley.
Juan Migliore, University of Notre Dame
Uwe Nagel*, University of Kentucky
Fabrizio Zanello, University of Notre Dame
(102413137)

8:30 a.m.
Codimension Four Gorenstein Hilbert functions of low initial degree.
Juan C. Migliore*, University of Notre Dame
Uwe Nagel, University of Kentucky
Fabrizio Zanello, University of Notre Dame
(102413125)

9:00 a.m.
A Class of Gorenstein Artin Algebras of Embedding Dimension Four.
Sabine ElKhoury*, University of Missouri
Hema Srinivasan, University of Missouri
(102413120)

9:30 a.m.
A criterion for integral dependence of modules.
Javid Validashti*, Purdue University
Bernd Ulrich, Purdue University
(10241330)

10:00 a.m.
Rings with small HilbertKunz multiplicity.
Ian M Aberbach*, University of Missouri
Florian Enescu, Georgia State University
(102413185)

10:30 a.m.
Second coefficients of HilbertKunz functions for domains.
Mel Hochster, University of Michigan
Yongwei Yao*, Georgia State University
(102413103)

Saturday March 3, 2007, 8:30 a.m.10:50 a.m.
Special Session on Applicable Algebra, I
Room 2084, Chambers Building Organizers: Nigel Boston, University of South Carolina
Hiren Maharaj, Clemson University hmahara@clemson.edu

8:30 a.m.
Automorphisms, isomorphisms, and algebraic geometry codes.
Gretchen L. Matthews*, Clemson University
(102414169)

9:00 a.m.
Computation of Explicit Bases for a Class of RiemannRoch Spaces.
Wendy Dandurand*, Clemson University
(102414252)

9:30 a.m.
MDS or NearMDS SelfDual Codes.
T. Aaron Gulliver, University of Victoria
JonLark Kim*, University of Louisville
Yoonjin Lee, Simon Fraser University
(102494107)

10:00 a.m.
Implementing a Gradient Descent Decoding Algorithm for Block Codes.
Robert A Liebler*, Colorado State University
(102494111)

10:30 a.m.
A Fast Fourier Transform on the Rook Monoid.
Martin Malandro*, Dartmouth College
Dan Rockmore, Dartmouth College
(10242022)

Saturday March 3, 2007, 8:30 a.m.10:50 a.m.
Special Session on Representation Theory and Galois Cohomology in Number Theory, I
Room 2130, Chambers Building Organizers: J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
John R. Swallow, Davidson College joswallow@davidson.edu
Chairs: Parimala Raman, Emory University

8:30 a.m.
Maximal Frattini quotients of $p$Poincar\'e Mapping class groups.
Michael D. Fried*, UC Irvine, MSUBillings
(10242078)

9:00 a.m.
Tame pro$p$groups.
John Labute*, McGill University
(102406109)

9:30 a.m.
Demushkin Galois groups and primary elements.
Ido Efrat*, BenGurion University of the Negev, Be'erSheva, Israel
(10241212)

10:00 a.m.
Galois Module Structure of Galois Cohomology and Applications.
Nicole Lemire*, University of Western Ontario
Jan Minac, University of Western Ontario
John Swallow, Davidson College
(102412232)

10:30 a.m.
Etale Cohomology as Galois Modules.
Andrew C Schultz*, Stanford University
(102414147)

Saturday March 3, 2007, 8:30 a.m.10:50 a.m.
Special Session on Algebraic and Extremal Combinatorics, I
Room 3068, Chambers Building Organizers: G\'abor Hetyei, University of North CarolinaCharlotte
L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu

8:30 a.m.
The majexc $q$Eulerian Polynomials.
John Shareshian, Washington University
Michelle L. Wachs*, University of Miami
(102405247)

9:00 a.m.
$q$Eulerian polynomials and the $q,t$Catalan sequence.
Jim Haglund*, University of Pennsylvania
Mahir Can, University of Western Ontario
(102405215)

9:30 a.m.
Counting weighted simplicial spanning trees of shifted complexes.
Art M. Duval*, University of Texas at El Paso
Caroline J. Klivans, University of Chicago
Jeremy L. Martin, University of Kansas
(102405191)

10:00 a.m.
Bijective Matrix Inversion.
Nicholas A. Loehr*, College of William and Mary
Anthony Mendes, California Polytechnic State University
(102405134)

10:30 a.m.
Counting tromino tilings and parity.
Michael Reid*, University of Central Florida
(10240556)

Saturday March 3, 2007, 8:30 a.m.10:50 a.m.
Special Session on Noncommutative Algebra, I
Room 2198, Chambers Building Organizers: Ellen E. Kirkman, Wake Forest University kirkman@wfu.edu
James J. Kuzmanovich, Wake Forest University
James Zhang, University of Washington

8:30 a.m.
On deformation theory of associative algebras and graph homology.
Fusun Akman*, Illinois State University
(10241813)

9:00 a.m.
Point Modules over a $\mathbb{Z}^2$graded quantum $\mathbb{P}^3$.
Pete Goetz*, Humboldt State University
(102416199)

9:30 a.m.
Noetherianity and Ext.
Edward L Green*, Virginia Tech
Nicole Snashall, Univesity of Leicester, UK
Oeyvind Solberg, NTNU, Norway
Dan Zacharia, Syracuse University
(102416233)

10:00 a.m.
Absolute, Gorenstein, and Tate torsion modules.
Alina C. Iacob*, University of North Carolina Wilmington
(10241826)

10:30 a.m.
BrauerSeveri Varieties over Surfaces.
Colin J Ingalls*, University of New Brunswick
(102416225)

Saturday March 3, 2007, 9:00 a.m.10:50 a.m.
Special Session on Microlocal Analysis and Partial Differential Equations (in Honor of Michael E. Taylor's 60th Birthday), I
Room 3234, Chambers Building Organizers: Anna L. Mazzucato, Pennsylvania State University alm24@psu.edu
Martin Dindos, University of Edinburgh

Saturday March 3, 2007, 9:30 a.m.10:50 a.m.
Special Session on Between Harmonic Analysis, Number Theory, and Combinatorics, I
Room 3198, Chambers Building Organizers: Alex Iosevich, University of MissouriColumbia
Michael T. Lacey, Georgia Institute of Technology lacey@math.gatech.edu
Konstantin Oskolkov, University of South Carolina

Saturday March 3, 2007, 9:30 a.m.10:50 a.m.
Special Session on Stochastic Analysis and Applications, I
Room 3209, Chambers Building Organizers: Armando Arcini\'ega, University of Texas at San Antonio armando.arciniega@utsa.edu

Saturday March 3, 2007, 11:10 a.m.12:00 p.m.
Invited Address
Eigenvalue problem for Hermitian matrices and its generalization to arbitrary reductive groups.
Hance Auditorium, 4th Floor, Chambers Building
Shrawan Kumar*, University of North Carolina
(10242201)

Saturday March 3, 2007, 1:50 p.m.2:40 p.m.
Invited Address
Novel applications of algebra to engineering.
Hance Auditorium, 4th Floor, Chambers Building
Nigel Boston*, University of South Carolina
(10249405)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Dynamical Systems, II
Room 3187, Chambers Building Organizers: Emily B. Gamber, Santa Fe Institute
Donna K. Molinek, Davidson College domolinek@davidson.edu
James S. Wiseman, Agnes Scott College

3:00 p.m.
Families of ergodic and exact onedimensional maps.
Julia A Barnes*, Western Carolina University
Jane M Hawkins, University of North Carolina at Chapel Hill
(102437104)

3:30 p.m.
Dynamics of a 3Circle Inversion Map.
Daniel M. Look*, Indiana University of Pennsylvania
(102437164)

4:00 p.m.
Stuttering in the Planar ThreeBody Problem.
Samuel R Kaplan*, University of North Carolina, Asheville
Richard Montgomery, University of California, Santa Cruz
Mark Levi, Penn State
(10243798)

4:30 p.m.
Computational tools for measuring topological entropy.
Sarah Day*, College of William and Mary
Rafael Frongillo, Cornell University
Rodrigo Trevino, University of Texas at Austin
(10243795)

5:00 p.m.
Projectional Entropy in Higher Dimensional Shifts of Finite Type.
Kathleen Madden*, Drew University
Aimee Johnson, Swarthmore College
Steve Kass, Drew University
(10243757)

5:30 p.m.
Some unsolved problems on random ergodic averages.
M\'at\'e Wierdl*, The University of Memphis
(102437158)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Microlocal Analysis and Partial Differential Equations (in Honor of Michael E. Taylor's 60th Birthday), II
Room 3234, Chambers Building Organizers: Anna L. Mazzucato, Pennsylvania State University alm24@psu.edu
Martin Dindos, University of Edinburgh

Saturday March 3, 2007, 3:00 p.m.5:20 p.m.
Special Session on Applicable Algebra, II
Room 2084, Chambers Building Organizers: Nigel Boston, University of South Carolina
Hiren Maharaj, Clemson University hmahara@clemson.edu

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Recent Applications of Numerical Linear Algebra
Room 2209, Chambers Building Organizers: Timothy P. Chartier, Davidson College tichartier@davidson.edu
Amy Langville, College of Charleston

3:00 p.m.
Tensor Analysis of Spectral Images.
Robert J Plemmons*, Wake Forest University
Peter Zhang, Wake Forest University School of Medicine
Han Wang, Wake Forest University
Paul Pauca, Wake Forest University
(10246569)

3:30 p.m.
Applying theory of Markov Chains to the problem of sports ranking.
Anjela Y Govan*, North Carolina State University
Carl D Meyer, North Carolina State University
(102415192)

4:00 p.m.
The Stewart Eigenvector: A New Method to Cluster Asymmetric Matrices.
Barbara E. Ball*, College of Charleston
Clare J. Rodgers, College of Charleston
(102415202)

4:30 p.m.
Implicit Adaptive Mesh Refinement for Reduced Resistive Magnetohydrodynamics.
Bobby Philip*, Los Alamos National Laboratory
Michael Pernice, Idaho National Laboratory
Luis Chacon, Los Alamos National Laboratory
(102465230)

5:00 p.m.
Multigrid Methods for Systems of PDEs.
Jim E. Jones*, Florida Institue of Technology
(102465234)

5:30 p.m.
The Kronecker product in efficient imaging systems.
Nikos P. Pitsianis*, Dept. of Electrical and Computer Engineering and Computer Science, Duke University
(102415262)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, II
Room 3106, Chambers Building Organizers: Chaim GoodmanStrauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London

3:00 p.m.
Rigidity in onedimensional substitution tiling spaces.
Marcy M Barge*, Montana State University
Richard C Swanson, Montana State University
(10243792)

3:30 p.m.
Mixing properties of substitutive sequences and proximality.
Brian F Martensen*, Minnesota State University
(102437249)

4:00 p.m.
Cohomology and the spectrum in 1dimensional tiling systems.
Tetyana I. Andress, The George Washington University
E. Arthur Robinson*, The George Washington University
(102437237)

4:30 p.m.
Discussion.

5:00 p.m.
Onedimensional substitution tilings with an interval projection structure.
Edmund O. Harriss, Imperial College London, UK
Jeroen S.W. Lamb*, Imperial College London
(102452162)

5:30 p.m.
Aspects of the Penrose Tiling.
Edmund Harriss*, Imperial College London, UK
(10240040)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Between Harmonic Analysis, Number Theory, and Combinatorics, II
Room 3198, Chambers Building Organizers: Alex Iosevich, University of MissouriColumbia
Michael T. Lacey, Georgia Institute of Technology lacey@math.gatech.edu
Konstantin Oskolkov, University of South Carolina

3:00 p.m.
Orthogonality of bilinear multiplier operators.
Geoff Diestel*, University of South Carolina
Loukas Grafakos, University of Missouri
(10244237)

3:30 p.m.
Covering the plane by rotations of a lattice arrangement of disks.
Alex Iosevich, Univ. of Missouri at Columbia
Mihail N Kolountzakis*, Georgia Tech / Univ. of Crete, Greece
Mate Matolcsi, Renyi Institute, Hungary
(10244271)

4:00 p.m.
Time decay of quantum waves on Riemannian manifolds: Recent development.
Shijun Zheng*, University of South Carolina
(10243581)

4:30 p.m.
Growth of $L^p$ Lebesgue constants for convex polyhedra and other regions.
Marshall Ash, DePaul University
Laura De Carli*, Florida International University
(102442136)

5:00 p.m.
Level curves of harmonic functions.
Steve M Hudson*, Florida International University
Laura De Carli, Florida International University
(102442226)

5:30 p.m.
Polyhdral theta functions and an extension of solid angles using Polyhedral Gauss sums.
Sinai Robins*, Temple University
(10240523)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Geometric and Combinatorial Methods in Representation Theory, II
Room 2187, Chambers Building Organizers: Brian Boe, University of Georgia
William A. Graham, University of Georgia wag@math.uga.edu
Kailash C. Misra, North Carolina State University

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Computational Group Theory, II
Room 3084, Chambers Building Organizers: Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
Luise Charlotte Kappe, Binghamton University
Robert F. Morse, University of Evansville

3:00 p.m.
Some computational group cohomology.
Graham Ellis*, National University of Ireland, Galway
(10242083)

4:00 p.m.
Using GAP to construct metablian pgroups and working with them.
Dave Garrison*, Lockheed Martin
(102420106)

4:30 p.m.
Character tables of $p$groups.
Adriana Nenciu*, University of Wisconsin  Madison
(102420159)

5:00 p.m.
An algorithm for computing the nonabelian tensor squares of polycyclic groups.
Russell D. Blyth*, Saint Louis University
Robert Fitzgerald Morse, University of Evansville
(10242080)

5:30 p.m.
The exponents of nonabelian tensor products of groups.
Primoz Moravec*, IMFM, Slovenia, and University of Evansville, USA
(102420121)

Saturday March 3, 2007, 3:00 p.m.5:20 p.m.
Special Session on Representation Theory and Galois Cohomology in Number Theory, II
Room 2130, Chambers Building Organizers: J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
John R. Swallow, Davidson College joswallow@davidson.edu
Chairs: David Leep, University of Kentucky

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Commutative Rings and Monoids, II
Room 2164, Chambers Building Organizers: Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu

3:00 p.m.
On the $\Delta$set of a singular arithmetical congruence monoid.
Scott T. Chapman*, Trinity University
Paul Baginski, University of California at Berkeley
George Schaeffer, Carnegie Mellon University
(102420124)

3:30 p.m.
Monoids of modules over onedimensional local rings.
W. Hassler, KarlFranzensUniversitaet Graz
R. Karr, Florida Atlantic University
L. Klingler, Florida Atlantic University
R. Wiegand*, University of Nebraska
(102413117)

4:00 p.m.
Indecomposable Modules of Large Rank over CohenMacaulay Rings.
Andrew M. Crabbe*, University of Nebraska  Lincoln
(102413251)

4:30 p.m.
Jonsson Modules over Commutative Rings.
Greg G Oman*, Ohio State
(102413206)

5:00 p.m.
On $\ast $completely integrally closed domains and their generalizations.
David F Anderson, University of Tennessee, Knoxville, TN
Muhammad Zafrullah*, Pocatello, Idaho
(102413140)

5:30 p.m.
A generalization of the notion of grade of a commutative domain.
K Alan Loper*, Ohio State University
(102413184)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra and Algebraic Geometry, II
Room 2146, Chambers Building Organizers: Florian Enescu, Georgia State University
Andrew R. Kustin, University of South Carolina
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Algebraic and Extremal Combinatorics, II
Room 3068, Chambers Building Organizers: G\'abor Hetyei, University of North CarolinaCharlotte
L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu

3:00 p.m.
Color critical hypergraphs and forbidden configurations.
R Anstee, The University of British Columbia
B Fleming, The University of British Columbia
Z Furedi*, University of Illinois at UrbanaChampaign
A Sali, Renyi Institute of Mathematics
(102405208)

3:30 p.m.
Random Mixed Hypergraphs and Upper Chromatic Number.
Michael J Pelsmajer*, Illinois Institute of Technology
Jozef Skokan, London School of Economics
(102405227)

4:00 p.m.
Almost All Permutations Have a Unique Longest Cycle.
Miklos Bona*, University of Florida
Arnold Knopfmacher, University of Witwatersrand, Johannesburg, South Africa
(10240547)

4:30 p.m.
The Wiener index of trees with given degree sequence.
Hua Wang*, University of Florida
(10240538)

5:00 p.m.
Maximum directed cuts in digraphs with degree restriction.
Jen\H{o} Lehel*, The University of Memphis
Fr\'ed\'eric Maffray, CNRS Laboratoire LeibnizIMAG, France
Myriam Preissmann, CNRS Laboratoire LeibnizIMAG, France
(102405100)

5:30 p.m.
Trianglefree subcubic graphs with minimum bipartite density.
Baogang Xu, Nanjing Normal University
Xingxing Yu*, Georgia Institute of Technology
(102405174)

Saturday March 3, 2007, 3:00 p.m.5:50 p.m.
Special Session on Noncommutative Algebra, II
Room 2198, Chambers Building Organizers: Ellen E. Kirkman, Wake Forest University kirkman@wfu.edu
James J. Kuzmanovich, Wake Forest University
James Zhang, University of Washington

Saturday March 3, 2007, 3:00 p.m.5:20 p.m.
Special Session on Stochastic Analysis and Applications, II
Room 3209, Chambers Building Organizers: Armando Arcini\'ega, University of Texas at San Antonio armando.arciniega@utsa.edu

Saturday March 3, 2007, 3:00 p.m.5:25 p.m.
Contributed Papers Session
Room 3196, Chambers Building

3:00 p.m.
Invariant for Minimal Surfaces in $S^3$.
Rodrigo R Montes*, Washington University in Saint Louis
(10245310)

3:15 p.m.
On the Value Function for an Optimal Control Problem.
Jesus A. Pascal*, ABTIAmerican University of Nigeria
(10244924)

3:30 p.m.
Properties of Regular Polygon Rings.
W. Michael Gentry*, Mary Baldwin College, Staunton, Va.
(102497149)

3:45 p.m.
Symplectic discretization of ODEs using the geometry of time.
Jeffrey K. Lawson*, Western Carolina University
(102434201)

4:00 p.m.
Archimedean Orders on Certain Ring of Invariants.
Mohammed Tesemma, Spelman College
Haohao Wang*, Southeast Missouri State University
(10241333)

4:15 p.m.
Amorphic association schemes.
Jianmin Ma*, Oxford College of Emory University
(10240584)

4:30 p.m.
Generalized Mobius Inversions Involving SelbergMultiplicative Functions.
Fangjun Arroyo*, Francis Marion University
Edward Arroyo, Francis Marion University
(10240539)

4:45 p.m.
Sign changes in sums of the Liouville function.
Michael J. Mossinghoff*, Davidson College
Peter Borwein, Simon Fraser University
Ron Ferguson, Simon Fraser University
(102411101)

5:00 p.m.
On the diophantine equation: $A^2 + B^4 + C^4 = D^8$.
Susil Kumar Jena*, KIIT University, Bhubaneswar, India
(102411216)

5:15 p.m.
Local Types of Modules and Indecomposable Modules.
SoonSook Bae*, Kyungnam University, MASAN, Republic of Korea (South Korea)
(10241620)

Saturday March 3, 2007, 6:00 p.m.7:00 p.m.
Erd\H os Memorial Lecture
Erd\H os's dream and pretentious characters.
Auditorium, Duke Performance Hall
Andrew J. Granville*, University of Montreal
(10241104)

Saturday March 3, 2007, 7:00 p.m.7:45 p.m.
Davidson College Department of Mathematics Reception
First Floor, Knobloch Campus Center (just outside the performance hall)
Inquiries: meet@ams.org

