AMS Sectional Meeting Full Program

Current as of Sunday, May 11, 2008 00:21:06

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Program  |  Deadlines  |  Registration/Housing/Etc.  |  Inquiries:  meet@ams.org

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2008 Spring Western Section Meeting
Claremont, CA, May 3-4, 2008 (Saturday - Sunday)
Meeting #1039

Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu

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Saturday May 3, 2008

• Saturday May 3, 2008, 7:30 a.m.-4:00 p.m.
  Meeting Registration
  Lobby, Bauer North
• Saturday May 3, 2008, 7:30 a.m.-4:00 p.m.
  Exhibit and Book Sale
  Founders Room, Bauer North
• Saturday May 3, 2008, 8:00 a.m.-10:40 a.m.
  Special Session on C*-algebras, subfactors and free probability, I
  Room B-35, Bauer South
  Organizers:
  Huaxin Lin, University of Oregon hlin@uoregon.edu
  Feng Xu, University of California Riverside xufeng@math.ucr.edu
  

  • 8:00 a.m.
    Constructing the Haagerup subfactor with planar algebras.
    Emily Peters*, University of California, Berkeley
    (1039-47-118)
  • 9:00 a.m.
    Maximal abelian subalgebras of UHF algebras.
    N. Christopher Phillips*, University of Oregon
    (1039-46-165)
  • 10:00 a.m.
    Entropy and Fuglede-Kadison Determinant.
    Hanfeng Li*, SUNY at Buffalo
    (1039-46-164)
• Saturday May 3, 2008, 8:00 a.m.-10:50 a.m.
  Special Session on Recent Developments in Riemannian and Kaehlerian Geometry, I
  Room RN 104, Roberts Hall North
  Organizers:
  Hao Fang, University of Iowa haofang@math.uiowa.edu
  Zhiqin Lu, University of California, Irvine zlu@math.uci.edu
  Dragos-Bogdan Suceava, California State University Fullerton bsuceava@fullerton.edu
  Mihaela B. Vajiac, Chapman University mbvajiac@chapman.edu
  

  • 8:00 a.m.
    Conformally flat submanifolds in spheres and integrable systems.
    Neil M Donaldson*, University of California, Irvine
    Chuu-Lian Terng, University of California, Irvine
    (1039-53-131)
  • 8:30 a.m.
    The structure of complete manifolds with positive spectrum.
    Ovidiu Munteanu*, UC Irvine
    (1039-53-32)
  • 9:00 a.m.
    Degenerate singularity in three dimensional Ricci flow.
    Yu Ding*, California State University, Long Beach
    (1039-58-83)
  • 9:30 a.m.
    Applications of Complex Monge-Ampere Operators in Complex Analysis and Pseudo-Hermitian manifolds.
    Song-Ying Li*, University of California at Irvine
    (1039-53-99)
  • 10:00 a.m.
    The Symplectic Poincar\'{e} Conjecture.
    Scott Jeremy Baldridge*, Louisiana State University
    (1039-57-121)
  • 10:30 a.m.
    Eigenvalue estimates for minimal surfaces in hyperbolic space.
    Alberto Candel*, Department of Mathematics, Cal State Northridge
    (1039-53-140)
• Saturday May 3, 2008, 8:00 a.m.-10:50 a.m.
  Special Session on Knot Theory and the Topology of 3-manifolds, I
  Room B-36, Bauer South
  Organizers:
  Sam Nelson, Pomona College knots@esotericka.org
  David Bachman, Pitzer College david_bachman@pitzer.edu
  Erica Flapan, Pomona College eflapan@pomona.edu
  Jim Hoste, Pitzer College jhoste@pitzer.edu
  Patrick Shanahan, Loyola Marymount University pshanahan@lmu.edu
  

  • 8:00 a.m.
    Boring split links and unknots.
    Scott A. Taylor*, University of California, Santa Barbara
    (1039-57-30)
  • 8:30 a.m.
    Almost Normal Surfaces in Knot Complemets.
    Robin T Wilson*, California State Polytechnic University, Pomona
    (1039-57-106)
  • 9:00 a.m.
    C-incompressible planar surfaces in knot complements.
    Maggy Tomova*, Rice University
    (1039-57-65)
  • 9:30 a.m.
    Triangulations of link-manifolds.
    William H Jaco*, Oklahoma State University
    J Hyam Rubinstein, University of Melbourne
    (1039-57-133)
  • 10:00 a.m.
    The Heegaard structure of Dehn filled manifolds.
    Yoav Moriah, Technion, Haifa, Israel
    Eric Sedgwick*, DePaul University
    (1039-57-132)
  • 10:30 a.m.
    Bounding the stable genera of Heegaard splittings from below.
    Jesse Johnson*, Yale University
    (1039-57-47)
• Saturday May 3, 2008, 8:00 a.m.-10:45 a.m.
  Special Session on Algebraic Combinatorics, I
  Room RS 103, Roberts Hall South
  Organizers:
  Anne Schilling, University of California Davis anne@math.ucdavis.edu
  Michael Zabrocki, York University zabrocki@mathstat.yorku.ca
  

  • 8:00 a.m.
    Some open problems in the Theory of Macdonald Polynomials.
    Adriano M Garsia*, University of California San Diego
    (1039-05-158)
  • 9:00 a.m.
    Schur quasisymmetric functions.
    Jim Haglund, University of Pennsylvania
    Kurt Luoto, University of Washington
    Sarah Mason, Davidson College
    Steph van Willigenburg*, University of British Columbia
    (1039-05-76)
  • 10:00 a.m.
    Generalization of $(q,t)$-Catalan numbers.
    Francois Descouens*, Fields Institute
    Nantel Bergeron, York University
    Mike Zabrocki, York University
    (1039-05-98)
• Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Operators, Functions and Linear Spaces, I
  Room B-25, Bauer South
  Organizers:
  Asuman G. Aksoy, Claremont McKenna College aaksoy@cmc.edu
  Stephan R. Garcia, Pomona College Stephan.garcia@pomona.edu
  Michael Davlin O'Neill, Claremont McKenna College moneill@cmc.edu
  Winston C. Ou, Scripps College Winston.ou@scripps.edu
  

  • 8:30 a.m.
    Good-enough Weights for Convolution Algebras on R+.
    Sandy Grabiner*, Pomona College
    (1039-47-90)
  • 9:00 a.m.
    Operator Topologies and Graph Convergence.
    Gerald Beer*, California State University Los Angeles
    (1039-46-39)
  • 9:30 a.m.
    On the Gr\"unbaum "4/3" conjecture.
    Grzegorz C Lewicki*, Department of Mathematics, Jagiellonian University, Krakow, Poland
    (1039-46-102)
  • 10:00 a.m.
    Uniformly Convex Metric Spaces.
    Mohamed A Khamsi*, University of Texas at El Paso
    (1039-46-22)
  • 10:30 a.m.
    Random Measure Algebras in Hilbert Space.
    M. M. Rao*, University of California, Riverside, CA 92521
    (1039-46-20)
• Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Diophantine Problems and Discrete Geometry, I
  Room RN 15 (Lower Level), Roberts Hall North
  Organizers:
  Matthias Beck, San Francisco State University beck@math.sfsu.edu
  Lenny Fukshansky, Claremont McKenna College lenny@cmc.edu
  

  • 8:30 a.m.
    Linear forms of finite sets of integers and lattice points.
    Melvyn B. Nathanson*, CUNY ( Lehman College and the Graduate Center)
    (1039-11-108)
  • 9:00 a.m.
    Polyhedral reduction domains from perfect forms.
    Achill Schuermann*, University of Magdeburg
    (1039-11-67)
  • 9:30 a.m.
    A Diophantine problem arising from a study in Galois groups.
    M Filaseta*, University of South Carolina
    S Laishram, University of Waterloo
    N Saradha, Tata Institute of Fundamental Research
    (1039-11-101)
  • 10:00 a.m.
    Exceptional sets for sums of primes and squares of primes.
    Angel V Kumchev*, Towson University, MD
    Jianya Liu, Shandong University, China
    (1039-11-56)
  • 10:30 a.m.
    The limiting curve of Jarn\'\i k's polygons.
    Greg Martin*, University of British Columbia
    (1039-11-07)
• Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Hopf Algebras and Quantum Groups, I
  Davidson Lecture Hall, Adams Hall
  Organizers:
  Gizem Karaali, Pomona College Gizem.Karaali@pomona.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  Serban Raianu, California State University Dominguez Hills sraianu@csudh.edu
  

  • 8:30 a.m.
    Generalized quantum doubles with projection.
    Margaret Beattie*, Mount Allison University
    Daniel Bulacu, University of Bucharest
    (1039-16-119)
  • 9:00 a.m.
    Burnside's Theorem for Finite Quantum Groups.
    Jorg Feldvoss*, University of South Alabama
    (1039-16-84)
  • 9:30 a.m.
    Ideals of the enveloping algebra $U(sl_3)$.
    Stefan Catoiu*, DePaul University
    (1039-16-134)
  • 10:00 a.m.
    Representation theory of liftings of quantum planes.
    William Chin*, DePaul University
    Leonid Krop, DePaul University
    (1039-16-141)
  • 10:30 a.m.
    Representations of liftings of quantum linear spaces.
    Leonid Krop*, Department of Mathematical Sciences, DePaul University, Chicago, IL
    (1039-16-100)
• Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Combinatorics of Partially Ordered Sets, I
  Room RN 105, Roberts Hall North
  Organizers:
  Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
  Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
  Shahriar Shahriari, Pomona College sshahriari@pomona.edu
  

  • 8:30 a.m.
    Inversion arrangements and lower intervals in the Bruhat order.
    Axel Hultman, KTH, Stockholm
    Svante Linusson, KTH, Stockholm
    John Shareshian*, Washington University
    Jonas Sj\"ostrand, KTH, Stockholm
    (1039-05-116)
  • 9:00 a.m.
    The Schur-positivity poset.
    Peter R. W. McNamara*, Bucknell University
    Stephanie van Willigenburg, University of British Columbia
    (1039-05-129)
  • 9:30 a.m.
    Crossings and Nestings of Two Edges in Set Partitions.
    Catherine Yan*, Texas A&M University
    Svetlana Poznanovik, Texas A&M University
    (1039-05-62)
  • 10:00 a.m.
    Forbidden characterization of the fractional weak discrepancy of posets.
    Jeong Ok Choi*, University of Illinois at Urbana-Champaign
    (1039-05-71)
  • 10:30 a.m.
    Erdos-Ko-Rado for permutations and set partitions.
    Cheng Yeaw Ku*, California Institute of Technology
    (1039-05-45)
• Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Applications of Delay-Differential Equations to Models of Disease, I
  Room B-24, Bauer South
  Chairs:
  John Milton, Claremont Colleges jmilton@jsd.claremont.edu
  Organizers:
  Ami Radunskaya, Pomona College aer04747@pomona.edu
  

  • 8:30 a.m.
    Opening Remarks: John Milton
  • 9:00 a.m.
    Models for Sexually-Transmitted Diseases: From Sir Ronald Ross to Ken Cooke and beyond.
    Carlos Castillo-Chavez*, Arizona State University
    (1039-92-175)
  • 9:30 a.m.
    A Mathematical Model of Circulating Dendritic Cells in Cancer.
    Lisette dePillis, Harvey Mudd College
    Angela Gallegos*, Occidental College
    (1039-92-82)
  • 10:00 a.m.
    Modeling Glucose-Insulin Regulatory System with Two-Time Delays.
    Jiaxu Li*, University of Louisville
    Yang Kuang, Arizona State University
    Clint C. Mason, NIH/NIDDK
    (1039-92-138)
  • 10:30 a.m.
    Stick balancing at the fingertip: Legends of the fall.
    John Milton*, The Claremont Colleges
    Elizabeth Balch, Claremont McKenna College
    Meredith Strauss, Scripps College
    Ferrin Ruiz, Scripps College
    (1039-92-64)
• Saturday May 3, 2008, 11:00 a.m.-11:50 a.m.
  Invited Address
  Diophantine equations: From Erdos to Wiles and back
  Forum, Bauer South
  Michael A. Bennett*, University of British Columbia
  (1039-11-01)
• Saturday May 3, 2008, 2:00 p.m.-2:50 p.m.
  Invited Address
  Affine Schubert news.
  Forum, Bauer South
  Anne Schilling*, University of California Davis
  (1039-05-04)
• Saturday May 3, 2008, 3:00 p.m.-5:40 p.m.
  Special Session on C*-algebras, subfactors and free probability, II
  Room B-35, Bauer South
  Organizers:
  Huaxin Lin, University of Oregon hlin@uoregon.edu
  Feng Xu, University of California Riverside xufeng@math.ucr.edu
  

  • 3:00 p.m.
    The planar algebra of group-type subfactors.
    Dietmar Bisch*, Vanderbilt University
    (1039-46-28)
  • 4:00 p.m.
    Are Finite Simple C*-Algebras of Real Rank Zero Stably Finite?
    Shuang Zhang*, University of Cincinnati
    (1039-47-110)
  • 5:00 p.m.
    Free evolution on algebras with two states.
    Michael Anshelevich*, Texas A&M University
    (1039-46-162)
• Saturday May 3, 2008, 3:00 p.m.-5:20 p.m.
  Special Session on Dynamical Systems and Differential Equations, I
  Room B-34, Bauer South
  Organizers:
  Adolfo Rumbos, Pomona College arumbos@pomona.edu
  Mario Martelli, Claremont McKenna College Mario.Martelli@ClaremontMcKenna.edu
  Alfonso Castro, Harvey Mudd College castro@math.hmc.edu
  

  • 3:00 p.m.
    Pathogen competition and coexistence and the evolution of virulence.
    Horst R Thieme*, Arizona State University
    (1039-92-35)
  • 3:30 p.m.
    Computation of Lyapunov Characteristic Exponents of Low Dimensional Continuous Dynamical Systems.
    Hubertus F von Bremen*, California State Polytechnic University, Pomona
    (1039-37-69)
  • 4:00 p.m.
    On existence of positive solution for a class of 2x2 semipositone systems.
    Abdou K. Drame, Las Vegas, Nevada
    David G Costa*, University of Nevada Las Vegas
    (1039-34-174)
  • 4:30 p.m.
    A Model for the Evolution of Competitive Coexistence.
    J M Cushing*, Department of Mathematics, University of Arizona
    Rosalyn Rael, Interdisciplinary Program in Applied Mathematics, University of Arizona
    Thomas L Vincent, Aerospace and Mechanical Engineering, University of Arizona
    Robert F Costantino, Ecology and Evolutionary Biology, Unviersity of Arizona
    (1039-92-13)
  • 5:00 p.m.
    Dynamic Reduction with Applications to Discrete Systems.
    Robert J. Sacker*, University of Southern California
    (1039-37-63)
• Saturday May 3, 2008, 3:00 p.m.-5:20 p.m.
  Special Session on Operators, Functions and Linear Spaces, II
  Room B-25, Bauer South
  Organizers:
  Asuman G. Aksoy, Claremont McKenna College aaksoy@cmc.edu
  Stephan R. Garcia, Pomona College Stephan.garcia@pomona.edu
  Michael Davlin O'Neill, Claremont McKenna College moneill@cmc.edu
  Winston C. Ou, Scripps College Winston.ou@scripps.edu
  

  • 3:00 p.m.
    Unbounded operators commuting with restricted backward shifts.
    Donald E Sarason*, University of California, Berkeley
    (1039-47-43)
  • 3:30 p.m.
    "Determinant computations for some classes of Toeplitz-Hankel matrices".
    Estelle L Basor*, California Polytechnic State University
    (1039-47-49)
  • 4:00 p.m.
    Composition operator norm inequalities.
    Linda J Patton*, California Polytechnic State University, San Luis Obispo
    Christopher Hammond, Connecticut College
    (1039-47-159)
  • 4:30 p.m.
    Norms of Composition Operators with Rational Symbol and Hypergeometric Series.
    Dylan Q. Retsek*, Cal Poly, San Luis Obispo
    (1039-47-112)
  • 5:00 p.m.
    Integration with respect to a Hilbert-Schmidt class operator valued measure.
    Yuichiro Kakihara*, California State University, San Bernardino
    (1039-28-19)
• Saturday May 3, 2008, 3:00 p.m.-5:50 p.m.
  Special Session on Diophantine Problems and Discrete Geometry, II
  Room RN 15 (Lower Level), Roberts Hall North
  Organizers:
  Matthias Beck, San Francisco State University beck@math.sfsu.edu
  Lenny Fukshansky, Claremont McKenna College lenny@cmc.edu
  

  • 3:00 p.m.
    A Banach space determined by the Weil height.
    Daniel Allcock, The University of Texas at Austin, Austin, TX
    Jeffrey D. Vaaler*, The University of Texas at Austin, Austin, TX
    (1039-11-46)
  • 3:30 p.m.
    Asymptotic results involving Ostrowski's decomposition of natural numbers.
    Edward B. Burger*, Williams College
    (1039-11-95)
  • 4:00 p.m.
    Convex polygons with fixed diameter and maximal perimeter.
    Michael J. Mossinghoff*, Davidson College
    (1039-52-117)
  • 4:30 p.m.
    An extension to the Brun-Titchmarsh theorem.
    Stephen Choi*, Department of Mathematics, Simon Fraser University
    Kai Man Tsang, The University of Hong Kong
    Tsz Ho Chan, University of Memphis
    (1039-11-41)
  • 5:00 p.m.
    Repulsion of imaginary quadratic numbers of low height.
    Christopher D Sinclair*, University of Colorado, Boulder
    (1039-11-60)
  • 5:30 p.m.
    Lehmer's problem for integer symmetric matrices.
    Chris J Smyth*, University of Edinburgh, UK
    James F McKee, Royal Holloway, University of London
    (1039-12-17)
• Saturday May 3, 2008, 3:00 p.m.-5:50 p.m.
  Special Session on Recent Developments in Riemannian and Kaehlerian Geometry, II
  Room RN 104, Roberts Hall North
  Organizers:
  Hao Fang, University of Iowa haofang@math.uiowa.edu
  Zhiqin Lu, University of California, Irvine zlu@math.uci.edu
  Dragos-Bogdan Suceava, California State University Fullerton bsuceava@fullerton.edu
  Mihaela B. Vajiac, Chapman University mbvajiac@chapman.edu
  

  • 3:00 p.m.
    Horizontally Homothetic Submersions and Nonnegative Curvature.
    Frederick Wilhelm*, Univ. of Calf., Riverside
    Ye-Lin Ou, Texas A & M, Commerce Station
    (1039-53-21)
  • 3:30 p.m.
    Nonlinear Energy Integrals, Entropy Functionals and The Ricci Flow on Noncompact Manifolds.
    Rugang Ye*, University of California, Santa Barbara
    (1039-53-125)
  • 4:00 p.m.
    Some results on the topology of manifolds of Nonnegative Isotropic Curvature.
    Helena M. Noronha*, California State University Northridge
    (1039-53-149)
  • 4:30 p.m.
    Curvatures in Riemann-Finsler Geometry.
    David Bao*, Department of Mathematics, San Francisco State University
    (1039-53-86)
  • 5:00 p.m.
    Strong non-collapsing and uniform Sobolev inequalities for Ricci flow with surgeries.
    S. Zhang Qi*, Math. Dept. UC Riverside
    (1039-53-26)
  • 5:30 p.m.
    Eigenvalue Pinching with Lower Curvature Bounds.
    Chad Sprouse*, Californa State University, Northridge
    (1039-53-153)
• Saturday May 3, 2008, 3:00 p.m.-5:50 p.m.
  Special Session on Hopf Algebras and Quantum Groups, II
  Davidson Lecture Hall, Adams Hall
  Organizers:
  Gizem Karaali, Pomona College Gizem.Karaali@pomona.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  Serban Raianu, California State University Dominguez Hills sraianu@csudh.edu
  

  • 3:00 p.m.
    An indicator-type invariant for non semisimple Hopf algebras.
    Andrea Jedwab*, University of Southern California
    (1039-16-137)
  • 3:30 p.m.
    The theory of integrals: from compact groups to Hopf algebras and coalgebras.
    Miodrag Cristian Iovanov*, SUNY @ Buffalo, USA & University of Bufharest, ROMANIA
    (1039-16-152)
  • 4:00 p.m.
    Semisimple Hopf algebras of dimension $p^n$ which fit into cocentral abelian extensions.
    Yevgenia Kashina*, DePaul University
    (1039-16-150)
  • 4:30 p.m.
    The sum of a finite group of weights of a Hopf algebra.
    Apoorva Khare*, University of California at Riverside (Department of Mathematics)
    (1039-16-111)
  • 5:00 p.m.
    The Hopf symbol.
    Yorck Sommerh\"auser*, University of South Alabama
    (1039-16-74)
  • 5:30 p.m.
    Generalized Lie algebras.
    Mikhail V. Kochetov*, Memorial University of Newfoundland
    (1039-17-161)
• Saturday May 3, 2008, 3:00 p.m.-4:50 p.m.
  Special Session on Combinatorics of Partially Ordered Sets, II
  Room RN 105, Roberts Hall North
  Organizers:
  Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
  Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
  Shahriar Shahriari, Pomona College sshahriari@pomona.edu
  

  • 3:00 p.m.
    Unavoidable subhypergraphs beyond the EKR bound.
    Zoltan F\"uredi*, Dept. Mathematics, University of Illinois at Urbana-Champaign
    (1039-05-55)
  • 3:30 p.m.
    On Shadows in Posets.
    Glenn Hurlbert*, Arizona State University
    (1039-05-147)
  • 4:00 p.m.
    Poset related to graph indices of trees.
    Hua Wang*, University of Florida
    (1039-05-44)
  • 4:30 p.m.
    Distribution of Segment Lengths in Genome Rearrangements.
    Glenn P. Tesler*, University of California, San Diego
    (1039-05-148)
• Saturday May 3, 2008, 3:00 p.m.-5:50 p.m.
  Special Session on Knot Theory and the Topology of 3-manifolds, II
  Room B-36, Bauer South
  Organizers:
  Sam Nelson, Pomona College knots@esotericka.org
  David Bachman, Pitzer College david_bachman@pitzer.edu
  Erica Flapan, Pomona College eflapan@pomona.edu
  Jim Hoste, Pitzer College jhoste@pitzer.edu
  Patrick Shanahan, Loyola Marymount University pshanahan@lmu.edu
  

  • 3:00 p.m.
    Virtual Betti numbers of 3-manifolds and symplectic 4-manifolds with K = 0.
    Stefano Vidussi*, University of California, Riverside
    (1039-57-146)
  • 3:30 p.m.
    The universal $sl(2)$-link cohomology via webs and foams.
    Carmen L Caprau*, California State University, Fresno
    (1039-57-79)
  • 4:00 p.m.
    A sequence of degree one Vassiliev invariants for virtual knots.
    Allison K Henrich*, Dartmouth College
    (1039-57-40)
  • 4:30 p.m.
    Quantum invariants of 3-manifolds as holomorphic functions.
    Sergiy Koshkin*, Northwestern University
    (1039-57-12)
  • 5:00 p.m.
    $A_{4}$-colored knots and their surgery equivalence.
    Steven D. Wallace*, Louisiana State University
    (1039-57-16)
  • 5:30 p.m.
    Spatial graph diagrams realizing prescribed subdiagrams partitions.
    Reiko Shinjo*, Osaka City University Advanced Mathematical Institute (OCAMI)
    (1039-51-143)
• Saturday May 3, 2008, 3:00 p.m.-4:50 p.m.
  Special Session on Applications of Delay-Differential Equations to Models of Disease, II
  Room B-24, Bauer South
  Chairs:
  John Milton, Claremont Colleges jmilton@jsd.claremont.edu
  Organizers:
  Ami Radunskaya, Pomona College aer04747@pomona.edu
  

  • 3:00 p.m.
    Maturation Delays and Oscillation in Predator-Prey Models.
    Richard H. Elderkin*, Pomona College
    Kenneth L. Cooke, Pomona College (Deceased)
    Wenzhang Huang, University of Alabama, Huntsville
    (1039-92-70)
  • 3:30 p.m.
    Mathematical Models for Erythropoiesis.
    Joseph M. Mahaffy*, San Diego State University
    (1039-92-78)
  • 4:00 p.m.
    Testing the decreasing potential hypothesis using delays.
    Ami E Radunskaya*, Pomona College
    (1039-34-68)
  • 4:30 p.m.
    Discussion:Teaching delay equations to undergraduates (Milton and Radunskaya)
• Saturday May 3, 2008, 3:00 p.m.-5:45 p.m.
  Special Session on Algebraic Combinatorics, II
  Room RS 103, Roberts Hall South
  Organizers:
  Anne Schilling, University of California Davis anne@math.ucdavis.edu
  Michael Zabrocki, York University zabrocki@mathstat.yorku.ca
  

  • 3:00 p.m.
    A Representation-Theoretic Model for k-Atoms.
    Mark Haiman*, UC Berkeley
    Li-Chung Chen, UC Berkeley
    (1039-05-169)
  • 4:00 p.m.
    $k$-shape poset and $k$-Schur functions.
    Thomas Lam*, Harvard University
    Luc Lapointe, Universidad de Talca
    Jennifer Morse, Drexel University
    Mark Shimozono, Virginia Tech
    (1039-05-81)
  • 5:00 p.m.
    A bijection on core partitions.
    Chris Berg, University of California, Davis
    Brant Jones*, University of California, Davis
    Monica Vazirani, University of California, Davis
    (1039-05-103)
• Saturday May 3, 2008, 3:00 p.m.-5:10 p.m.
  Contributed Paper Session
  Room RN 103, Roberts Hall North
  

  • 3:00 p.m.
    Dynamic topological logic of the real line.
    Maria Nogin*, California State University, Fresno
    Aleksey Nogin, HRL Laboratories
    (1039-03-08)
  • 3:30 p.m.
    Fields, Certificates, and Models.
    Cyrus F Nourani*, http://projektakdmkrd.tripod.com
    R M Moudi, http://projektakdmkrd.tripod.com
    (1039-12-11)
  • 3:45 p.m.
    On the number of periodic solutions of polynomial differential equations.
    Mohamad A. Alwash*, West Los Angeles College
    (1039-34-37)
  • 4:00 p.m.
    Arithmetics where almost all numbers are even.
    Mark Burgin*, UCLA
    (1039-03-25)
  • 4:15 p.m.
    Solving Integral Equations When the Kernel is Unknown.
    Rod Freed*, University of California, Irvine
    (1039-45-115)
  • 4:30 p.m.
    Hopf Algebras and Projection Maps in Control Theory.
    Eric T Gehrig*, Prescio Consulting, LLC
    (1039-93-179)
  • 4:45 p.m.
    The Congruent Number Problem.
    Susil Kumar Jena*, KIIT University, Bhubaneswar, Orissa, India
    (1039-11-168)
  • 5:00 p.m.
    Perturbation Solution of the Kuznetsov Equation.
    Dmitry A Altshuller*, Crane Aerospace & Electronincs
    (1039-35-135)

Sunday May 4, 2008

• Sunday May 4, 2008, 8:00 a.m.-12:00 p.m.
  Meeting Registration
  Lobby, Bauer North
• Sunday May 4, 2008, 8:00 a.m.-12:00 p.m.
  Exhibit and Book Sale
  Founders Room, Bauer North
• Sunday May 4, 2008, 8:00 a.m.-10:40 a.m.
  Special Session on C*-algebras, subfactors and free probability, III
  Room B-35, Bauer South
  Organizers:
  Huaxin Lin, University of Oregon hlin@uoregon.edu
  Feng Xu, University of California Riverside xufeng@math.ucr.edu
  

  • 8:00 a.m.
    Pairs of Intermediate Subfactors.
    Pinhas Grossman*, Vanderbilt University
    Masaki Izumi, Kyoto University
    (1039-47-109)
  • 9:00 a.m.
    Random matrices, free probability, planar algebras and subfactors.
    A Guionnet, ENS Lyon
    VFR Jones, UC Berkeley
    D Shlyakhtenko*, UCLA
    (1039-46-151)
  • 10:00 a.m.
    Automorphisms of Cuntz-Krieger algebras.
    Efren Ruiz*, Mathematics Department/University of Hawaii at Hilo
    (1039-47-27)
• Sunday May 4, 2008, 8:00 a.m.-10:50 a.m.
  Special Session on Recent Developments in Riemannian and Kaehlerian Geometry, III
  Room RN 104, Roberts Hall North
  Organizers:
  Hao Fang, University of Iowa haofang@math.uiowa.edu
  Zhiqin Lu, University of California, Irvine zlu@math.uci.edu
  Dragos-Bogdan Suceava, California State University Fullerton bsuceava@fullerton.edu
  Mihaela B. Vajiac, Chapman University mbvajiac@chapman.edu
  

  • 8:00 a.m.
    Harmonic Maps in Lie Groups and Integrable Systems.
    Mihaela B Vajiac*, Chapman University
    (1039-53-173)
  • 8:30 a.m.
    Spectrum of the Laplacian on Quaternionic K\"ahler Manifolds.
    Shengli Kong*, UC Irvine
    (1039-58-144)
  • 9:00 a.m.
    Lagrangian H-umbilical submanifold in a quaternion Euclidean space.
    Yun Myung Oh*, Andrews University
    (1039-53-93)
  • 9:30 a.m.
    A Comparison Theorem and A Sharp Bound via the Ricci Flow.
    Jun Ling*, Utah Valley State College
    (1039-53-136)
  • 10:00 a.m.
    Examples of generalized Sasakian-space-forms.
    Alfonso Carriazo*, University of Sevilla (Spain)
    (1039-53-156)
  • 10:30 a.m.
    Strict slope stability and the existence of Calabi Extremal Metrics.
    Zhuang-dan Daniel Guan*, Department of Mathematics, University of California at Riverside
    (1039-53-85)
• Sunday May 4, 2008, 8:00 a.m.-10:50 a.m.
  Special Session on Hopf Algebras and Quantum Groups, III
  Davidson Lecture Hall, Adams Hall
  Organizers:
  Gizem Karaali, Pomona College Gizem.Karaali@pomona.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  Serban Raianu, California State University Dominguez Hills sraianu@csudh.edu
  

  • 8:00 a.m.
    Root system and Weyl grpupoid of Nichols algebras.
    Hans-J\"urgen Schneider*, Mathematisches Institut, LMU M\"unchen, Germany
    Istvan Heckenberger, Mathematisches Institut, LMU M\"unchen, Mathematisches Institut, Universit\"at Leipzig, Germany
    (1039-16-127)
  • 8:30 a.m.
    Pseudosymmetric braidings and Yetter-Drinfeld modules.
    Florin Panaite, Institute of Mathematics of the Romanian Academy
    Mihai D. Staic*, Indiana University, Bloomington
    Freddy Van Oystaeyen, University of Antwerp
    (1039-16-33)
  • 9:00 a.m.
    On finite braid representations.
    Imre Tuba*, San Diego State University-Imperial Valley
    (1039-81-176)
  • 9:30 a.m.
    The half twist in ribbon categories.
    Peter Tingley*, University of California, Berkeley
    Snyder Noah, University of California, Berkeley
    (1039-17-104)
  • 10:00 a.m.
    On deformations of graded Hopf algebras.
    Mitja Mastnak*, University of Waterloo
    (1039-17-128)
  • 10:30 a.m.
    Cohomology of pointed Hopf algebras.
    Mitja Mastnak, University of Waterloo
    Julia Pevtsova, University of Washington
    Peter Schauenburg, Universitaet Muenchen
    Sarah Witherspoon*, Texas A&M University
    (1039-18-80)
• Sunday May 4, 2008, 8:00 a.m.-10:50 a.m.
  Special Session on Knot Theory and the Topology of 3-manifolds, III
  Room B-36, Bauer South
  Organizers:
  Sam Nelson, Pomona College knots@esotericka.org
  David Bachman, Pitzer College david_bachman@pitzer.edu
  Erica Flapan, Pomona College eflapan@pomona.edu
  Jim Hoste, Pitzer College jhoste@pitzer.edu
  Patrick Shanahan, Loyola Marymount University pshanahan@lmu.edu
  

  • 8:00 a.m.
    Rational structure on algebraic tangles and closed incompressible surfaces in the complements algebraically alternating knots and links.
    Ozawa Makoto*, Komazawa University, Faculty of Arts and Sciences, Department of Natural Sciences
    (1039-57-29)
  • 8:30 a.m.
    Quasifuchsian Spanning Surfaces in Knot Complements.
    Colin C. Adams*, Williams College
    (1039-57-57)
  • 9:00 a.m.
    The volume and Jones polynomial of hyperbolic links.
    David Futer*, Michigan State University
    Effie Kalfagianni, Michigan State University
    (1039-57-58)
  • 9:30 a.m.
    Commensurability classes of (-2,3,n) pretzel knot complements.
    Melissa L Macasieb, The University of British Columbia
    Thomas W Mattman*, California State University, Chico
    (1039-57-61)
  • 10:00 a.m.
    Commensurability of knot complements.
    Genevieve S Walsh*, Tufts University
    (1039-57-96)
  • 10:30 a.m.
    Special links.
    Eric B. Chesebro*, Rice University
    Jason Deblois, University of Illinois at Chicago
    Henry Wilton, University of Texas at Austin
    (1039-57-89)
• Sunday May 4, 2008, 8:00 a.m.-10:45 a.m.
  Special Session on Algebraic Combinatorics, III
  Room RS 103, Roberts Hall South
  Organizers:
  Anne Schilling, University of California Davis anne@math.ucdavis.edu
  Michael Zabrocki, York University zabrocki@mathstat.yorku.ca
  

  • 8:00 a.m.
    New applications of combinatorial Hopf algebras.
    Jean-Christophe Novelli*, Universite Paris-Est Marne-la-Vallee
    (1039-05-155)
  • 9:00 a.m.
    Expansions of Symmetric Functions in Commutative Images of Noncommutative Symmetric Functions.
    Lenny Tevlin*, Physics Department, Yeshiva University
    (1039-05-113)
  • 10:00 a.m.
    Rationality, irrationality, and Wilf equivalence in the generalized factor order.
    Sergey Kitaev, Institute of Mathematics, Reykjav\'ik University
    Jeffrey Liese, University of California, San Diego
    Jeffrey B. Remmel*, University of California, San Diego
    Bruce E. Sagan, Michigan State University
    (1039-05-105)
• Sunday May 4, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Dynamical Systems and Differential Equations, II
  Room B-34, Bauer South
  Organizers:
  Adolfo Rumbos, Pomona College arumbos@pomona.edu
  Mario Martelli, Claremont McKenna College Mario.Martelli@ClaremontMcKenna.edu
  Alfonso Castro, Harvey Mudd College castro@math.hmc.edu
  

  • 8:30 a.m.
    Periodic Nonstationary Stokes Flow.
    Victor L Shapiro*, University of California,Riverside
    (1039-35-15)
  • 9:00 a.m.
    Modeling the Evolution of Repetitive Sequence in DNA.
    Suzanne S Sindi*, Division of Applied Mathematics, Brown University
    (1039-34-130)
  • 9:30 a.m.
    Prevalent Behavior of Strongly Order Preserving Semiflows.
    Hal L. Smith*, Arizona State University
    M. W. Hirsch, University of California , Berkeley
    German Enciso, Ohio State University
    (1039-37-14)
  • 10:00 a.m.
    Perturbation from symmetry for indefinite semilinear elliptic equations.
    Hossein T. Tehrani*, UNLV
    (1039-35-94)
  • 10:30 a.m.
    Stability of periodic orbits in a high-dimensional electrical network.
    Harish S Bhat*, Claremont McKenna College, Department of Mathematics
    (1039-37-170)
• Sunday May 4, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Operators, Functions and Linear Spaces, III
  Room B-25, Bauer South
  Organizers:
  Asuman G. Aksoy, Claremont McKenna College aaksoy@cmc.edu
  Stephan R. Garcia, Pomona College Stephan.garcia@pomona.edu
  Michael Davlin O'Neill, Claremont McKenna College moneill@cmc.edu
  Winston C. Ou, Scripps College Winston.ou@scripps.edu
  

  • 8:30 a.m.
    Multivariate moment matrices with zeros in their inverse.
    Mihai Putinar*, University of California
    (1039-60-18)
  • 9:00 a.m.
    Joint defect indices of tuples of symmetric operators in the multidimensional moment problem.
    Roger A. Roybal*, California State University, Channel Islands
    (1039-47-178)
  • 9:30 a.m.
    Sets which lift to a set with an LMI representation.
    J William Helton*, University of California at San Diego
    Jiawang Nie, UC San Diego
    (1039-90-52)
  • 10:00 a.m.
    Complex Symmetric Operators.
    Warren Wogen*, University of North Carolina
    (1039-47-51)
  • 10:30 a.m.
    Stable polynomials and distinguished varieties.
    Greg Knese*, University of California, Irvine
    (1039-32-42)
• Sunday May 4, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Diophantine Problems and Discrete Geometry, III
  Room RN 15 (Lower Level), Roberts Hall North
  Organizers:
  Matthias Beck, San Francisco State University beck@math.sfsu.edu
  Lenny Fukshansky, Claremont McKenna College lenny@cmc.edu
  

  • 8:00 a.m.
    Heights for subvarieties of abelian varieties.
    Sinnou David*, Universite Pierre et Marie Curie
    (1039-11-180)
  • 8:30 a.m.
    Orbits of points on $K3$ surfaces.
    Arthur Baragar*, UNLV
    (1039-11-157)
  • 9:00 a.m.
    Sums over polytopes.
    James E Pommersheim*, Reed College
    (1039-52-139)
  • 9:30 a.m.
    Minimal Volume $k$-Point Lattice $d$-Simplices.
    Han M Duong*, University of Illinois at Urbana-Champaign
    (1039-52-59)
  • 10:00 a.m.
    Lattices in Division Algebras and Wireless Communication.
    B. A. Sethuraman*, California State University Northridge
    (1039-16-54)
  • 10:30 a.m.
    Congruences for some theta series coefficients.
    Pavel Guerzhoy*, University of Hawaii at Manoa
    (1039-11-124)
• Sunday May 4, 2008, 8:30 a.m.-10:50 a.m.
  Special Session on Combinatorics of Partially Ordered Sets, III
  Room RN 105, Roberts Hall North
  Organizers:
  Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
  Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
  Shahriar Shahriari, Pomona College sshahriari@pomona.edu
  

  • 8:30 a.m.
    On chain partitions for quotients of the Boolean lattice.
    Jerrold R. Griggs*, University of South Carolina, Columbia, SC
    (1039-05-120)
  • 9:00 a.m.
    Nested Chain Decompositions of Normalized Matching Posets of Rank 3.
    Jordan O Tirrell*, Lafayette College
    Elinor Escamilla, Pomona College
    Andreea Nicolae, Pomona College
    Paul Salerno, Pomona College
    Shahriar Shahriari, Pomona College
    (1039-05-87)
  • 9:30 a.m.
    Matchwebs.
    Rae Fredrich*, University of Minnesota, Morris
    Tim Hsu, San Jose State University
    Mark J. Logan, University of Minnesota, Morris
    Katherine Nolan, San Jose State University
    (1039-05-163)
  • 10:00 a.m.
    Distributive Lattices of Small Width: A Problem from Richard Stanley's 1986 Text {\sl Enumerative Combinatorics\/}.
    Jonathan David Farley*, California Institute of Technology
    Ryan Klippenstine, Brandon University
    (1039-06-154)
  • 10:30 a.m.
    Graph Homomorphisms.
    Eric Babson*, CA
    (1039-00-160)
• Sunday May 4, 2008, 11:00 a.m.-11:50 a.m.
  Invited Address
  Classification of simple amenable $C^*$-algebras of stable rank one.
  Forum, Bauer South
  Huaxin Lin*, University of Oregon
  (1039-46-03)
• Sunday May 4, 2008, 3:00 p.m.-5:40 p.m.
  Special Session on C*-algebras, subfactors and free probability, IV
  Room B-35, Bauer South
  Organizers:
  Huaxin Lin, University of Oregon hlin@uoregon.edu
  Feng Xu, University of California Riverside xufeng@math.ucr.edu
  

  • 3:00 p.m.
    \noindent{\it($\mathcal D$-stable) purely infinite $C^*$-algebras, the ideal property and real rank zero} ({\it Mostly a joint work with Mikael R{\o}rdam)}\\.
    Cornel Pasnicu*, University of Puerto Rico, Rio Piedras Campus
    (1039-46-23)
  • 4:00 p.m.
    Lifting KK-elements, asymptotical unitary equivalence and classification of simple C*-algebras.
    Zhuang Niu*, University of Oregon
    Huaxin Lin, University of Oregon
    (1039-46-171)
  • 5:00 p.m.
    Subfactors Obtained From Hadamard Matrices.
    Richard Burstein*, UC Berkeley
    (1039-47-166)
• Sunday May 4, 2008, 3:00 p.m.-5:20 p.m.
  Special Session on Operators, Functions and Linear Spaces, IV
  Room B-25, Bauer South
  Organizers:
  Asuman G. Aksoy, Claremont McKenna College aaksoy@cmc.edu
  Stephan R. Garcia, Pomona College Stephan.garcia@pomona.edu
  Michael Davlin O'Neill, Claremont McKenna College moneill@cmc.edu
  Winston C. Ou, Scripps College Winston.ou@scripps.edu
  

  • 3:00 p.m.
    Function Spaces of Dirichlet Series.
    Brian Maurizi*, Washington University in Saint Louis
    H Queffelec, University of Lille (France)
    (1039-30-53)
  • 3:30 p.m.
    Linear Operators in Hypernormed Spaces.
    Mark Burgin*, UCLA
    (1039-47-09)
  • 4:00 p.m.
    Simplified refined Jones factorization of $A_\infty$ weights.
    Winston Ou*, Scripps College
    (1039-42-142)
  • 4:30 p.m.
    Bi-Lipschitz decomposition of Lipschitz functions into a metric space.
    Raanan Schul*, UCLA
    (1039-28-145)
  • 5:00 p.m.
    On infinite matrices generated dyadically by a $2\times2$ block.
    Mark C Ho*, Department of Applied Mathematics, National Sun Yat Sen University
    Mu Ming Wong, Department of Information Technology, Meiho Institute of Technology
    (1039-47-91)
• Sunday May 4, 2008, 3:00 p.m.-5:20 p.m.
  Special Session on Hopf Algebras and Quantum Groups, IV
  Davidson Lecture Hall, Adams Hall
  Organizers:
  Gizem Karaali, Pomona College Gizem.Karaali@pomona.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  Serban Raianu, California State University Dominguez Hills sraianu@csudh.edu
  

  • 3:00 p.m.
    Calogero-Moser spaces, representations of rational Cherednik algebras, and the Shapiro Conjecture.
    Iain Gordon, Edinburgh University
    Emil Horozov, Sofia University
    Milen Yakimov*, University of California, Santa Barbara
    (1039-05-172)
  • 3:30 p.m.
    The boson-fermion correspondence and one-sided quantum groups.
    Earl J. Taft*, Rutgers University
    (1039-16-36)
  • 4:00 p.m.
    Lie bialgebras and Quantum Symmetric Algebras.
    Sebastian Zwicknagl*, University of California, Riverside
    (1039-17-66)
  • 4:30 p.m.
    Hopf algebra structures in nonlinear control systems.
    Matthias Kawski*, Arizona State University
    (1039-93-177)
  • 5:00 p.m.
    Discussion
• Sunday May 4, 2008, 3:00 p.m.-5:50 p.m.
  Special Session on Knot Theory and the Topology of 3-manifolds, IV
  Room B-36, Bauer South
  Organizers:
  Sam Nelson, Pomona College knots@esotericka.org
  David Bachman, Pitzer College david_bachman@pitzer.edu
  Erica Flapan, Pomona College eflapan@pomona.edu
  Jim Hoste, Pitzer College jhoste@pitzer.edu
  Patrick Shanahan, Loyola Marymount University pshanahan@lmu.edu
  

  • 3:00 p.m.
    Intrinsic linking and knotting are arbitrarily complex.
    Erica Flapan, Pomona College
    Blake Mellor*, Loyola Marymount University
    Ramin Naimi, Occidental College
    (1039-57-92)
  • 3:30 p.m.
    Milnor invariants for spatial graphs.
    Thomas R Fleming*, UC San Diego
    (1039-57-50)
  • 4:00 p.m.
    Intrinsically linked graphs in ${\mathbb R}P^3$.
    Jason Bustamante, Montana Tech of the University of Montana
    Joel Foisy*, SUNY Potsdam
    Kenji Kozai, Harvey Mudd College
    Kevin Matthews, SUNY Potsdam
    Trickey Kristen, Clarkson University
    (1039-57-24)
  • 4:30 p.m.
    Intrinsically $n$-linked Spatial Graphs and Minor Minimality.
    Danielle O'Donnol*, University of California, Los Angeles
    (1039-54-72)
  • 5:00 p.m.
    Clasp-pass moves on spatial handcuff graphs.
    Takaaki Hoki, Waseda University
    Ryo Nikkuni, Kanazawa University
    Kouki Taniyama*, Waseda University
    (1039-57-88)
  • 5:30 p.m.
    An intrinsic non-triviality of graphs.
    Ryo Nikkuni*, Kanazawa University
    (1039-57-38)
• Sunday May 4, 2008, 3:00 p.m.-5:45 p.m.
  Special Session on Algebraic Combinatorics, IV
  Room RS 103, Roberts Hall South
  Organizers:
  Anne Schilling, University of California Davis anne@math.ucdavis.edu
  Michael Zabrocki, York University zabrocki@mathstat.yorku.ca
  

  • 3:00 p.m.
    Hecke group algebras.
    Nicolas M. Thi\'ery*, Univ Paris-Sud, Laboratoire de Math\'ematiques d'Orsay, Orsay, F-91405; CNRS, Orsay, F-91405, FRANCE / UC Davis
    Anne Schilling, UC Davis
    Florent Hivert, Laboratoire d'Informatique, de Traitement de l'Information et des Syst\`emes, Universit\'e de Rouen, FRANCE
    (1039-05-97)
  • 4:00 p.m.
    Type $A_n^{(1)}$ crystals and promotion operators.
    Jason Bandlow*, University of California-Davis
    (1039-05-167)
  • 5:00 p.m.
    Multiple Andrews-Gordon Identities associated to root systems.
    Hasan Coskun*, Texas A&M University-Commerce
    (1039-05-114)

Inquiries:  meet@ams.org

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