AMS Sectional Meeting AMS Special Session
Current as of Sunday, October 17, 2021 03:30:04
Fall Central Sectional Meeting (formerly at Creighton University)
- now meeting virtually, CDT (hosted by the American Mathematical Society), Virtual, RI
- October 9-10, 2021 (Saturday - Sunday)
- Meeting #1171
Associate Secretary for the AMS Scientific Program:
Georgia Benkart, AMS benkart@math.wisc.edu
Special Session on Geometric and Topological Combinatorics and Their Applications
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Saturday October 9, 2021, 9:00 a.m.-12:00 p.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, I
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington
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9:00 a.m.
Rational Ehrhart theory.
Matthias Beck*, San Francisco State University
Sophia Elia, Freie Universität Berlin
Sophie Rehberg, Freie Universität Berlin
(1171-52-164) -
9:30 a.m.
Matching complexes of polygonal tilings.
Margaret Bayer, The University of Kansas
Marjia Jelić Milutinović, University of Belgrade
Julianne Vega*, Kennesaw State University
(1171-05-140) -
10:00 a.m.
Geometric properties of weighted projective space simplices.
Derek W. Hanely*, University of Kentucky
Benjamin Braun, University of Kentucky
Robert Davis, Colgate University
Morgan Lane, Martha Layne Collins High School
Liam Solus, KTH
(1171-05-50) -
10:20 a.m.
Break. -
10:40 a.m.
On lattice polytopes.
Benjamin Braun*, University of Kentucky
(1171-05-48) -
11:10 a.m.
Unimodular triangulations of sufficiently large dilations.
Gaku Liu*, University of Washington
(1171-05-161) -
11:40 a.m.
A proof of Grünbaum's lower bound conjecture for polytopes, lattices, and strongly regular normal pseudomanifolds.
Lei Xue*, University of Washington, Seattle
(1171-05-243)
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9:00 a.m.
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Saturday October 9, 2021, 2:40 p.m.-6:00 p.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, II
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington
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2:40 p.m.
A family of convex sets in the plane satisfying the $(4,3)$-property can be pierced by 9 points.
Daniel McGinnis*, Iowa State University
(1171-52-152) -
3:10 p.m.
Line transversals in families of connected sets in the plane.
Daniel McGinnis, Iowa State University
Shira Zerbib*, Iowa State University
(1171-05-75) -
3:30 p.m.
Break. -
3:50 p.m.
Topological entropy on Hubbard trees.
Chenxi Wu*, University of Wisconsin at Madison
Giulio Tiozzo, University of Toronto
Kathryn Lindsey, Boston College
(1171-37-173) -
4:20 p.m.
A family of sandpile multijections.
Alex McDonough*, University of California, Davis
(1171-05-52) -
4:50 p.m.
Enumerating simplicial spanning trees of shifted and color-shifted complexes, using simplicial effective resistance.
Art Duval*, University of Texas at El Paso
Woong Kook, Seoul National University
Kang-Ju Lee, Seoul National University
Jeremy Martin, University of Kansas
(1171-05-98) -
5:10 p.m.
Open Discussion.
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2:40 p.m.
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Sunday October 10, 2021, 9:00 a.m.-11:30 a.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, III
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington
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9:00 a.m.
Hopf monoids of ordered simplicial complexes.
Federico Castillo, Max-Planck-Institute of Mathematics for Natural Sciences
Jeremy L. Martin*, University of Kansas
José A. Samper, Pontificia Universidad Católica de Chile
(1171-05-35) -
9:30 a.m.
A Hopf monoid on set families.
Kevin Marshall*, University of Kansas
(1171-05-119) -
10:00 a.m.
Subdivisions of shellable complexes.
Max Hlavacek*, University of California, Berkeleley
Liam Solus, KTH Royal Institute of Technology
(1171-05-188) -
10:20 a.m.
Break. -
10:40 a.m.
Edge partitions of the complete graph and a determinant like function.
Steven R. Lippold, BGSU
Mihai D. Staic*, BGSU
Alin Stancu, Columbus State University
(1171-15-238) -
11:10 a.m.
Stirling numbers for complex reflection groups.
Bruce E. Sagan*, Michigan State University
Robin Sulzgruber, York University
Joshua Swanson, University of California, San Diego
(1171-05-6)
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9:00 a.m.
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Sunday October 10, 2021, 3:10 p.m.-6:00 p.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, IV
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington
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3:10 p.m.
Homomorphism complexes, reconfiguration, and homotopy for directed graphs.
Anton Dochtermann*, Texas State University
Anurag Singh, Chennai Mathematical Institute
(1171-05-45) -
3:40 p.m.
Classifying all embedding dimension vectors of combinatorial codes.
R. Amzi Jeffs*, Carnegie Mellon University
(1171-05-189) -
4:00 p.m.
Break. -
4:20 p.m.
The topology of projective codes and the distribution of zeros of odd maps.
Florian Frick*, Carnegie Mellon University and Freie Universität Berlin
(1171-05-99) -
5:10 p.m.
Open Discussion.
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3:10 p.m.
Inquiries: meet@ams.org