Algebra, Combinatorics, and Geometry Archives
| Date | Speakers | |
|---|---|---|
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Thursday, January 23, 2025 - 12:00
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Mixed-platonic 3-manifolds: at the interface of algebra, combinatorics, and (hyperbolic) geometry |
Jason DeBlois
University of Pittsburgh
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Thursday, January 16, 2025 - 12:00
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Hirzebruch-Riemann-Roch theorem, convex chains and toric varieties |
Suhyon Chong
University of Pittsburgh
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Friday, January 10, 2025 - 15:30 to 16:30
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A pleasant surprise of the cyclotomic character |
Vasily Dolgushev
Temple University
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Thursday, January 9, 2025 - 15:00
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Studying isogeny-based cryptography using lattice geometry, Part 2: Theta-functions |
Jonathan Love
Leiden University
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Thursday, January 9, 2025 - 12:00
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Studying isogeny-based cryptography using lattice geometry |
Jonathan Love
Leiden University
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Thursday, December 5, 2024 - 12:00
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Optimality of Gerver's Sofa |
Jineon Baek
Yonsei University
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Thursday, November 21, 2024 - 12:00
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Connected components of the moduli space of L-parameters |
Sean Cotner
University of Michigan
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Thursday, November 14, 2024 - 12:00
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Introduction to arithmetic topology |
Carl Wang-Erickson
University of Pittsburgh
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Thursday, November 7, 2024 - 12:00
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Recent progress on the distribution of rational and integral points on homogeneous varieties |
Ramin Takloo-Bighash
University of Illinois at Chicago
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Thursday, October 31, 2024 - 12:00
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A generalization of Cohen-Macaulay simplicial complexes |
Siamak Yassemi
Carnegie Mellon University
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Thursday, October 17, 2024 - 12:00
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New geometric applications of Grothendieck-Springer resolutions |
Peter Crooks
Utah State University
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Thursday, October 3, 2024 - 12:00
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The Stark conjecture in modular* settings |
Robin Zhang
MIT
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Thursday, September 26, 2024 - 12:00
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Geometry of Independence |
Christopher Eur
Carnegie Mellon University
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Thursday, September 19, 2024 - 12:00
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Quantitative level lowering for weight two Hilbert modular forms |
Mohamed Moakher
University of Pittsburgh
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Thursday, September 12, 2024 - 12:00
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Vector-valued Laurent polynomial equations, toric vector bundles and matroids II |
Kiumars Kaveh
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Thursday, September 5, 2024 - 12:00
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Vector-valued Laurent polynomial equations, toric vector bundles and matroids |
Kiumars Kaveh
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Thursday, August 29, 2024 - 12:00 to 13:00
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Some recent progress on integral models of Shimura varieties |
Alex Youcis
National University of Singapore
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Thursday, April 11, 2024 - 12:00 to 13:00
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Where the tame tori are |
Stephen DeBacker
University of Michigan
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Thursday, April 4, 2024 - 12:00 to 13:00
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Computing Crystalline Deformation Rings via the Taylor–Wiles–Kisin Patching Method |
Chengyang Bao
University of Chicago
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Thursday, March 28, 2024 - 12:00
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Introduction to toric topology |
Indira Zeinikesheva
University of Pittsburgh
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Thursday, March 21, 2024 - 12:00 to 13:00
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From Representations of Affine Algebras to the Quantum K-theory of Flag Manifolds and Combinatorics |
Cristian Lenart
SUNY Albany
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Thursday, March 7, 2024 - 15:00
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Approximations by special values of the Riemann zeta function via cotangent integrals |
Cezar Lupu
Beijing Institute of Mathematical Sciences and Applications
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Thursday, February 29, 2024 - 12:00
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Rees and multi-Rees algebras of direct sums of strongly stable ideals |
Gabriel Sosa
Colgate University
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Thursday, February 22, 2024 - 13:00 to 14:00
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Using Heegaard Floer homology and dihedral covers to detect prime knots |
Samantha Allen
Duquesne University
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Thursday, February 15, 2024 - 12:00 to 13:00
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Towers of function fields and a-numbers |
Joe Kramer-Miller
Lehigh University
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Thursday, February 8, 2024 - 12:00 to 13:00
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On the moving sofa problem |
Jineon Baek
University of Michigan
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Thursday, January 11, 2024 - 12:00 to 13:00
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Criteria for pseudo-representations to arise from genuine representations |
Jinyue Luo
University of Chicago
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Tuesday, January 9, 2024 - 12:00 to 13:00
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Character varieties and pseudorepresentations |
Carl Wang-Erickson
University of Pittsburgh
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Thursday, December 7, 2023 - 12:00 to 13:00
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What do we learn by formalizing differential topology? |
Patrick Massot
CNRS/Paris-Saclay/CMU
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Thursday, November 30, 2023 - 12:00 to 13:00
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Notes on the fundamental lemma |
Thomas Hales
University of Pittsburgh
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Thursday, November 16, 2023 - 12:00 to 13:00
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Introduction to geometric invariant theory |
Kiumars Kaveh
University of Pittsburgh
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Thursday, November 9, 2023 - 12:00 to 13:00
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Normed homological algebra |
Reid Barton
Carnegie Mellon University
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Thursday, November 2, 2023 - 12:00 to 13:00
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Cubical setting for discrete homotopy theory |
Chris Kapulkin
Western University (Ontario)
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Thursday, October 26, 2023 - 12:00 to 13:00
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Converse theorems for representations of general linear groups over finite fields |
Ashwin Iyengar
John Hopkins University
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Thursday, October 19, 2023 - 12:00 to 13:00
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Reflection theorems for number rings |
Evan O'Dorney
Carnegie Mellon University
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Thursday, October 12, 2023 - 12:00 to 13:00
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Algebraic Structures in the Reinhardt Problem |
Thomas Hales
University of Pittsburgh
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Thursday, September 21, 2023 - 12:00 to 13:00
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Cyclotomic subfields |
Javier Gomez-Calderon
Point Park University
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Thursday, September 14, 2023 - 12:00 to 13:00
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h-vector inequalities for weak maps of matroids |
Alex Mason
University of Washington
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Thursday, September 7, 2023 - 12:00 to 13:00
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Organizational meeting | |
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Thursday, April 20, 2023 - 12:00 to 13:00
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Mazur's main conjecture at Eisenstein primes |
Francesc Castella
University of California - Santa Barbara
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Thursday, April 13, 2023 - 12:00 to 13:00
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Gauged Gromov-Witten theory and affine grassmannians |
Andres Fernandez Herrero
Columbia University
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Thursday, April 6, 2023 - 12:00 to 13:00
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Around Hall algebras in 50 minutes |
University of Pittsburgh
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Thursday, March 30, 2023 - 12:00 to 13:00
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Algebra, combinatorics, and geometry in skein theory |
Peter Samuelson
UC Riverside
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Wednesday, March 29, 2023 - 11:00 to 12:00
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Lie theory in tensor categories with applications to modular representation theory |
Pavel Etingof
MIT
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Tuesday, March 21, 2023 - 12:00 to 13:00
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Matroids and the geometry of toric vector bundles |
Christopher Manon
University of Kentucky
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Thursday, March 16, 2023 - 12:00 to 13:00
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Rational torsion in modular Jacobians |
Preston Wake
Michigan State University
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Thursday, March 2, 2023 - 12:00 to 13:00
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Geproci sets: an instance of a new perspective on classification in algebraic geometry |
Brian Harbourne
University of Nebraska
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Thursday, February 23, 2023 - 12:00 to 13:00
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Splice type surface singularities and their local tropicalizations |
María Angélica Cueto
Ohio State University
|
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Thursday, February 16, 2023 - 12:00 to 13:00
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Introduction to Matroids, Part II |
Kiumars Kaveh
University of Pittsburgh
|
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Thursday, February 9, 2023 - 12:00 to 13:00
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Introduction to Matroids, Part I |
Kiumars Kaveh
University of Pittsburgh
|
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Thursday, February 2, 2023 - 12:00 to 13:00
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Logarithmic connections and symmetries of bundles |
Mainak Poddar
IISER Pune
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Thursday, December 1, 2022 - 12:00 to 13:00
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Viazovska’s work on sphere packings |
Thomas Hales
|
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Thursday, November 17, 2022 - 12:00
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Viazovska’s work on sphere packings |
Thomas Hales
|
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Thursday, November 10, 2022 - 12:00
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Blow Up Chemical Reaction Networks |
Kuei-Nuan Lin
Penn State Greater Allegheny
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Thursday, November 3, 2022 - 12:00 to 13:00
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Making big graphs using small varieties |
Boris Bukh
Carnegie Mellon University
|
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Thursday, October 27, 2022 - 12:00 to 13:00
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Let's count things |
Theresa Anderson
Carnegie Mellon University
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Thursday, October 13, 2022 - 12:00 to 13:00
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Folded Galleries in Affine Buildings and Moduli of Curves on Flag Varieties |
Elizabeth Milicevic
Haverford College
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Thursday, October 6, 2022 - 12:00 to 13:00
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The Borsuk-Ulam theorem in combinatorics and geometry |
Florian Frick
Carnegie Mellon University
|
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Thursday, September 29, 2022 - 15:00
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On the generalized Ramanujan conjecture over function fields |
Michael Harris
Columbia University
|
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Thursday, September 22, 2022 - 12:00 to 13:00
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An Introduction to the Langlands Program (part 2) |
Carl Wang-Erickson
University of Pittsburgh
|
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Thursday, September 15, 2022 - 12:00 to 13:00
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An Introduction to the Langlands Program |
Carl Wang-Erickson
University of Pittsburgh
|
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Thursday, September 1, 2022 - 12:00 to 13:00
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Organizational Meeting | |
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Thursday, April 21, 2022 - 11:00
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Zagier’s formula for multiple zeta values and its odd variant revisited |
Cezar Lupu
Beijing Institute of Mathematical Sciences and Applications (BIMSA) & Yau Mathematical Sciences Center (YMSC), Tsinghua University
|
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Thursday, April 14, 2022 - 11:00 to 12:00
|
Positivity in the quantum K theory of Grassmannians |
Leonardo Mihalcea
Virginia Tech
|
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Thursday, April 7, 2022 - 11:00
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Moduli spaces of stable curves, Gromov-Witten varieties, and the quantum K-theory ring |
Bogdan Ion
University of Pittsburgh
|
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Thursday, March 31, 2022 - 11:00
|
Hyperelliptic curves, scanning, and moments of quadratic L-functions |
Adrian Diaconu
University of Minnesota
|
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Thursday, March 24, 2022 - 11:00
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The moduli space of pointed hyperelliptic curves over finite fields |
Bogdan Ion
University of Pittsburgh
|
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Thursday, March 3, 2022 - 11:00
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Images of skyscraper sheaves on toric resolutions: cohomology distribution |
University of Pittsburgh
|
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Thursday, January 13, 2022 - 11:00
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Toroidal b-divisors and Monge-Ampère measures |
Ana Botero
University of Regensburg
|
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Thursday, December 2, 2021 - 11:00
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On the purity conjecture of Nisnevich for torsors under reductive group schemes |
Roman Fedorov
University of Pittsburgh
|
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Thursday, November 18, 2021 - 11:00
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Phylogenetic Networks |
Joseph Cummings
University of Kentucky
|
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Thursday, November 4, 2021 - 11:00
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Extending results of Cayley, Kirchhoff and Tutte |
Gregory M. Constantine
|
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Thursday, October 28, 2021 - 11:00
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The geometric cobordism hypothesis |
Daniel Grady
Texas Tech University
|
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Thursday, October 14, 2021 - 12:00
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Modular Forms, Galois Representations, and Cohomology of Line Bundles |
Aleksander Horawa
University of Michigan
|
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Thursday, September 23, 2021 - 11:00
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Toric schemes over a DVR, vector bundles and affine buildings |
Kiumars Kaveh
|
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Thursday, April 15, 2021 - 13:00
|
Prime tropical ideals |
Kalina Mincheva
Tulane University
|
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Thursday, April 8, 2021 - 13:00
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Horoball packing, hidden symmetry and some tetrahedral links |
University of Pittsburgh
|
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Thursday, April 1, 2021 - 13:00
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The Weil Conjectures (Cont.) |
Carl Wang-Erickson
University of Pittsburgh
|
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Thursday, March 25, 2021 - 13:00
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The Weil Conjectures (Cont.) |
Carl Wang-Erickson
University of Pittsburgh
|
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Thursday, March 18, 2021 - 13:00
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The Weil Conjectures |
Carl Wang-Erickson
University of Pittsburgh
|
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Thursday, March 11, 2021 - 13:00
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Graphs of maximal complexity |
Gregory M. Constantine
University of Pittsburgh
|
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Thursday, March 4, 2021 - 13:00
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Counting G-bundles over projective line |
University of Pittsburgh
|
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Thursday, February 25, 2021 - 13:00
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On combinatorics of Arthur's trace formula, convex polytopes, and toric varieties |
Kiumars Kaveh
University of Pittsburgh
|
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Thursday, February 18, 2021 - 13:00
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The Cusp Parameter Function on a Hyperbolic 3-Manifold Deformation Variety: An Example, Part 2 |
Jason DeBlois
University of Pittsburgh
|
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Thursday, February 11, 2021 - 13:00
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The Cusp Parameter Function on a Hyperbolic 3-Manifold Deformation Variety: An Example |
Jason DeBlois
University of Pittsburgh
|
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Thursday, February 4, 2021 - 13:00
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On G-Hilbert Schemes and McKay Correspondence, Pt. 2 |
University of Pittsburgh
|
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Thursday, January 28, 2021 - 13:00 to 14:00
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On G-Hilbert schemes and McKay correspondence |
University of Pittsburgh
|
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Thursday, March 26, 2020 - 12:00
|
TBA |
Milena Wrobel
University of Oldenburg
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Monday, March 23, 2020 - 15:30
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Rigid Cocycles and Their Arithmetic |
Jan Vonk
Institute for Advanced Study
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Thursday, March 5, 2020 - 12:00
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On the cohomology of congruence subgroups of GL_3 over imaginary quadratic fields |
Dan Yasaki
University of North Carolina at Greensboro
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Thursday, February 27, 2020 - 13:30
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Betti numbers and equivariant free resolutions of star configurations |
Federico Galetto
Cleveland State University
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Thursday, February 27, 2020 - 12:00
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Varieties of Signature Tensors |
Bernd Sturmfels
UC Berkeley and Max Planck Institute
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Thursday, February 20, 2020 - 12:00
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K-theory of toric varieties |
Aniket Shah
Ohio State University
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Thursday, February 13, 2020 - 12:00 to 13:00
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Macdonald polynomials and level two Demazure modules for affine sl(n+1) |
Rekha Biswal
Max Plank Institute, Bonn
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Thursday, February 6, 2020 - 12:00
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Conductors and Minimal Discriminants of Hyperelliptic Curves |
Padmavathi Srinivasan
University of Georgia
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Thursday, January 30, 2020 - 12:00 to 13:00
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Classification of the irreducible representations of braid groups |
Inna Sysoeva
Binghampton University
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Thursday, January 23, 2020 - 12:00
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Equivariant cohomology, momentum graphs and Chinese remainder theorem (cont'd) |
Kiumars Kaveh
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Thursday, January 16, 2020 - 12:00 to 13:00
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Equivariant cohomology, momentum graphs and Chinese remainder theorem |
Kiumars Kaveh
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Thursday, January 9, 2020 - 12:00
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Applications of DG Homological Algebra in Commutative Algebra |
Saeed Nasseh
Georgia Southern University
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Thursday, December 5, 2019 - 12:00
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Keller's Conjecture |
John Mackey
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