Algebra, Combinatorics, and Geometry Archives

Date Speakers
Thursday, April 15, 2021 - 13:00
Prime tropical ideals
Kalina Mincheva
Tulane University
Thursday, April 8, 2021 - 13:00
Horoball packing, hidden symmetry and some tetrahedral links
Priyadip Mondal
University of Pittsburgh
Thursday, April 1, 2021 - 13:00
The Weil Conjectures (Cont.)
Carl Wang-Erickson
University of Pittsburgh
Thursday, March 25, 2021 - 13:00
The Weil Conjectures (Cont.)
Carl Wang-Erickson
University of Pittsburgh
Thursday, March 18, 2021 - 13:00
The Weil Conjectures
Carl Wang-Erickson
University of Pittsburgh
Thursday, March 11, 2021 - 13:00
Graphs of maximal complexity
Gregory M. Constantine
University of Pittsburgh
Thursday, March 4, 2021 - 13:00
Counting G-bundles over projective line
Rahul Singh
University of Pittsburgh
Thursday, February 25, 2021 - 13:00
On combinatorics of Arthur's trace formula, convex polytopes, and toric varieties
Kiumars Kaveh
University of Pittsburgh
Thursday, February 18, 2021 - 13:00
The Cusp Parameter Function on a Hyperbolic 3-Manifold Deformation Variety: An Example, Part 2
Jason DeBlois
University of Pittsburgh
Thursday, February 11, 2021 - 13:00
The Cusp Parameter Function on a Hyperbolic 3-Manifold Deformation Variety: An Example
Jason DeBlois
University of Pittsburgh
Thursday, February 4, 2021 - 13:00
On G-Hilbert Schemes and McKay Correspondence, Pt. 2
Boris Tsvelikhovsky
University of Pittsburgh
Thursday, January 28, 2021 - 13:00 to 14:00
On G-Hilbert schemes and McKay correspondence
Boris Tsvelikhovsky
University of Pittsburgh
Thursday, March 26, 2020 - 12:00
TBA
Milena Wrobel
University of Oldenburg
Monday, March 23, 2020 - 15:30
Rigid Cocycles and Their Arithmetic
Jan Vonk
Institute for Advanced Study
Thursday, March 5, 2020 - 12:00
On the cohomology of congruence subgroups of GL_3 over imaginary quadratic fields
Dan Yasaki
University of North Carolina at Greensboro
Thursday, February 27, 2020 - 13:30
Betti numbers and equivariant free resolutions of star configurations
Federico Galetto
Cleveland State University
Thursday, February 27, 2020 - 12:00
Varieties of Signature Tensors
Bernd Sturmfels
UC Berkeley and Max Planck Institute
Thursday, February 20, 2020 - 12:00
K-theory of toric varieties
Aniket Shah
Ohio State University
Thursday, February 13, 2020 - 12:00 to 13:00
Macdonald polynomials and level two Demazure modules for affine sl(n+1)
Rekha Biswal
Max Plank Institute, Bonn
Thursday, February 6, 2020 - 12:00
Conductors and Minimal Discriminants of Hyperelliptic Curves
Padmavathi Srinivasan
University of Georgia
Thursday, January 30, 2020 - 12:00 to 13:00
Classification of the irreducible representations of braid groups
Inna Sysoeva
Binghampton University
Thursday, January 23, 2020 - 12:00
Equivariant cohomology, momentum graphs and Chinese remainder theorem (cont'd)
Kiumars Kaveh
Thursday, January 16, 2020 - 12:00 to 13:00
Equivariant cohomology, momentum graphs and Chinese remainder theorem
Kiumars Kaveh
Thursday, January 9, 2020 - 12:00
Applications of DG Homological Algebra in Commutative Algebra
Saeed Nasseh
Georgia Southern University
Thursday, December 5, 2019 - 12:00
Keller's Conjecture
John Mackey
Thursday, November 21, 2019 - 12:00
Empirical Families of Number Fields
Ken Manders
University of Pittsburgh
Thursday, November 14, 2019 - 12:00
Serre weight conjectures for unitary groups
Karol Koziol
Thursday, November 7, 2019 - 12:00
Homotopy Canonicity of Homotopy Type Theory
Chris Kapulkin
Western University
Thursday, October 17, 2019 - 12:00
On extremal spectra and geometric symmetry in finite structures, with applications
Gregory M. Constantine
University of Pittsburgh
Thursday, October 3, 2019 - 12:00
Counting words using the Euler characteristic
Reid Barton
University of Pittsburgh
Thursday, September 26, 2019 - 12:00
On non-computable problems in computer assisted proofs - Why foundations of computations may interest pure mathematicians
Anders Hansen
University of Cambridge
Thursday, September 19, 2019 - 12:00
Toric Ideals of Graphs
Jennifer Biermann
Hobart and William Smith Colleges
Thursday, September 12, 2019 - 12:00
Modular Forms and Arithmetic
Carl Wang-Erickson
Tuesday, April 9, 2019 - 12:00
TBA
Mahdi Majidi
Tuesday, April 9, 2019 - 12:00
TBA
Mahdi Majidi
Thursday, April 4, 2019 - 12:00
A formalization of forcing and the consistency of the failure of the continuum hypothesis
Jesse Han
Thursday, March 7, 2019 - 12:00 to 13:00
Multiplicity-Free Products of Schubert Divisors and an Application to Canonical Dimension
Rostislav Devyatov
University of Alberta
Wednesday, February 27, 2019 - 12:00
TBA
Federico Galetto
Cleveland State University
Thursday, February 14, 2019 - 12:00
Atiyah Class and Sheaf Counting on Local Calabi-Yau Fourfolds
Artan Sheshmani
Harvard University, Center for Mathematical Sciences and Applications
Thursday, December 6, 2018 - 12:00
Hyperplane Arrangements and Compactifying the Milnor Fiber
Jeremy Usatine
Yale University
Thursday, November 29, 2018 - 13:00 to 14:00
Toward double affine flag varieties and Grassmannians
Dinakar Muthiah
Kavli IPMU Tokyo
Thursday, November 29, 2018 - 12:00
Toric degenerations of the algebra of conformal blocks and compactifications of character varieties
Chris Manon
University of Kentucky
Thursday, November 15, 2018 - 12:00
Geometric approach to linear ODEs
Dima Arinkin
Thursday, November 8, 2018 - 12:00
A Verified ODE Solver and Smale's 14th Problem
Fabian Immler
Carnegie Mellon University
Thursday, October 25, 2018 - 12:00
Singular Fano Varietes
Alexander Borisov
Thursday, October 18, 2018 - 12:00
Cubical sets and higher category theory
Chris Kapulkin
University of Western Ontario
Thursday, October 11, 2018 - 12:00
On the statement of the classification of finite simple groups.
Thomas Hales
Thursday, October 4, 2018 - 12:00
Coherent Satake Functor
Roman Fedorov
Thursday, September 27, 2018 - 12:00
Character variety methods in 3-manifold topology
Jason DeBlois
Thursday, September 20, 2018 - 12:00
Cartan decomposition and K-orbits in spherical varieties
Kiumars Kaveh
Thursday, April 19, 2018 - 12:00
Counting cusp forms on Sp(4)
Mahdi Asgari
Oklahoma State University
Thursday, April 12, 2018 - 12:00
Virtual Gelfand-Zetlin Polytopes
Elise Villella
Thursday, April 5, 2018 - 12:00
The real projective spaces in homotopy type theory
Egbert Rijke
Carnegie Mellon University
Thursday, March 15, 2018 - 13:00
Combinatorics of canonical bases and cluster duality
Bea Schumann
Thursday, March 1, 2018 - 12:00
Algebraic structures from dependent type theory
Clive Newstead
Carnegie Mellon University
Thursday, February 22, 2018 - 12:00
Macdonald polynomial operators and coinvariant rings
James Haglund
University of Pennsylvania
Thursday, February 15, 2018 - 13:00
Toric vector bundles and buildings
Thursday, February 8, 2018 - 12:00
Koszul blowup algebras associated to three-dimensional Ferrers diagrams
Kuei-Nuan Lin
Penn State University
Tuesday, January 30, 2018 - 12:00
The Fourier Coefficients of a Minimal Parabolic Eisenstein Series on the Double Cover of GL(3) over Q.
Edmund Karasiewicz
University of California, Santa Cruz
Thursday, December 7, 2017 - 12:00
Computing with higher genus curves, abelian varieties and K3 surfaces
Thursday, November 30, 2017 - 12:00
Scaling-rotation statistics on symmetric positive definite matrices
Sungkyu Jung
University of Pittsburgh
Thursday, November 16, 2017 - 12:00
Consequences of the Uniform Position Principle for Spanning Lattice Polytopes
Johannes Hofscheier
McMaster University
Thursday, November 9, 2017 - 12:00
Mining ultraproduct proofs for bounds in polynomial rings
William Simmons
University of Pennsylvania
Thursday, November 2, 2017 - 13:00
Bott-Samelson varieties
Laura Escobar
UIUC
Thursday, October 26, 2017 - 12:00
Formal Abstracts in Mathematics
Thursday, October 19, 2017 - 12:00
Integrating over Hilbert schemes
Andras Szenes
Thursday, October 12, 2017 - 12:00
Convolution numbers
Thursday, October 5, 2017 - 12:00
Ranks of matrices with few distinct entries
Boris Bukh
Carnegie Mellon University
Thursday, September 28, 2017 - 13:00
Linear families of polytopes and a notion of anti-canonical class
Thursday, September 21, 2017 - 12:00
Formalized Spectral Sequences in Homotopy Type Theory II
Floris van Doorn
Carnegie Mellon University
Thursday, September 14, 2017 - 12:00
Formalized Spectral Sequences in Homotopy Type Theory I
Floris van Doorn
Carnegie Mellon University
Thursday, September 7, 2017 - 12:00
Toric degenerations of Projective Varieties
Thursday, April 13, 2017 - 12:00 to 13:00
Looking for Keller maps: a report on the hunt
Alexander Borisov
Thursday, April 6, 2017 - 12:00 to 13:00
Multiple zeta values and multiple Hurwitz-zeta values. Analytic and combinatorial aspects
Cezar Lupu
University of Pittsburgh
Thursday, March 16, 2017 - 12:00 to 13:00
Curves on algebraic surfaces and hyperbolic codes
Matt Stover
Temple University
Thursday, March 2, 2017 - 12:00
Congruence group actions on 2-affine braid groups
Bogdan Ion
Thursday, February 23, 2017 - 12:00
n-affine braid groups
Bogdan Ion
Thursday, February 9, 2017 - 12:00
Reinhardt conjecture as a problem in optimal control theory
Thomas Hales
Thursday, January 26, 2017 - 12:00
Motivic class of moduli of Higgs bundles, Part 2
Thursday, January 19, 2017 - 12:00
Motivic class of moduli of Higgs bundles
Thursday, November 10, 2016 - 12:00 to 13:00
A geometric perspective on Landau's theorem in function fields
Vlad Matei
University of Wisconsin-Madison
Thursday, October 27, 2016 - 12:00
The fundamental lemma for Hecke algebras in large positive characteristic
Thursday, October 20, 2016 - 12:00
Quantitative Characterization of Finite Simple Groups and Related Topics
Wujie Shi
Chongqing University of Arts & Sciences and Suzhou University
Thursday, October 13, 2016 - 12:00
Geometry of planar surfaces and exceptional fillings
Neil Hoffman
Oklahoma State University
Thursday, October 6, 2016 - 12:00
Optimal partition problems
Marco Caroccia
Carnegie Mellon University
Tuesday, September 20, 2016 - 12:00
Real, p-adic, and motivic (oscillatory) integrals and applications
Raf Cluckers
CRNS (Le Centre national de la recherche scientifique), France
Thursday, September 15, 2016 - 12:00
Algebraic tori and counting p-adic fields
Thursday, September 8, 2016 - 12:00
The optimal packing of congruent regular pentagons in the plane
Thursday, August 25, 2016 - 12:00
Configurations of Spheres
Woden Kusner
Graz University of Technology
Thursday, April 21, 2016 - 12:00
The representation problem for ternary quadratic polynomials.
Anna Haensch
Duquesne University
Thursday, April 14, 2016 - 12:00
Cubical sets with symmetries and the homotopy coherent nerve functor
Chris Kapulkin
Thursday, March 31, 2016 - 12:00
Fisher information and the discrete Laplacian, with applications
Thursday, March 24, 2016 - 12:00
Tropical geometry and Grobner theory for spherical homogeneous spaces
Thursday, March 17, 2016 - 12:00
Generalized Riemannian geometry
Thursday, March 3, 2016 - 12:00 to 13:00
Noncommutative Symmetric Groups in Noncommutative Projective Algebraic Geometry
Xingting Wang
Temple University
Thursday, February 25, 2016 - 12:00
Springer W-action and equivariant cohomology
Thursday, January 14, 2016 - 13:00 to 14:00
Affine Lie algebras, quantum K-theory, and combinatorics
Cristian Lenart
SUNY Albany
Tuesday, December 15, 2015 - 12:00
Congruent relations, cyclotomic expansion and volume conjecture for SU(n) invariants
Shengmao Zhu
Zhejiang University
Thursday, December 10, 2015 - 12:00 to 13:00
Systoles of arithmetic hyperbolic manifolds
Ben McReynolds
Purdue
Thursday, December 3, 2015 - 12:00
Bergman kernel and invariant theory