| 4/24 | Celia Kerr'26 & Nick Russoniello | Southwest diagrams and their Kohnert posets (Slides) |
| 4/17 | Celia Kerr'26 & Nick Russoniello | Shellability of Kohnert posets (Slides) |
| 4/10 | Run Zheng (Hong Kog Poly. U.) | Linear maps preserving certain unitarily invariant norms of tensor products |
| 4/03 | Sarah Day | TDA — a role for algebraic topology in analyzing models and data (Slides) |
| 3/27 | Fan Ge | Logarithmic Derivative of Riemann $\zeta$ and its Random Matrices Analogues, II |
| 3/20 | Vladimir Bolotnikov | Carathéodory interpolation problem over quaternions (Slides) |
| 3/06 | Ethan Shelburne (UBC) | The Schur-positivity of generalized nets (Slides) |
| 2/28 | Joshua Erlich (W&M Physics) | Stochastic processes, quantum fields, and gravity |
| 2/07 | Reem Mahmoud (VCU) | Equitable coloring in 1-planar graphs (Slides) |
| 11/29 | Brent Cody (VCU) | Derived topologies and uncountable products of the integers |
| 11/15 | Charles Johnson | Reciprocal matrices and ranking things |
| 11/01 | Eric Swartz | Partial difference sets in nonabelian groups (Slides) |
| 10/25 | Eric Swartz | Strongly regular graphs and their symmetries (Slides) |
| 10/11 | Fan Ge | Logarithmic derivative of $\zeta$ and random matrices analogues, I |
| 10/04 | Prateek K. Vishwakarma (U. of Regina) | Positivity preservers forbidden to operate on diagonal blocks (Slides) |
| 9/27 | Chi Kwong Li | Quantum tomography problem for open quantum systems (Slides) |
| 9/13 | Chi Kwong Li | Matrix problems in quantum information science (Slides) |
| 4/19 | Gexin Yu | An introduction to Ramsey Theory |
| 3/08 | Chi-Kwong Li | Linear preservers of idempotents on matrix algebras |
| 3/01 | Vladimir Bolotnikov | Fixed points of analytic self-maps of the unit disk and inequalities for derivatives, II |
| 2/22 | Vladimir Bolotnikov | Fixed points of analytic self-maps of the unit disk and inequalities for derivatives, I |
| 11/02 | Pierre Clare | Antiunitary representations and modular theory |
| 10/12 | Eric Swartz | An introduction to graph symmetry (Notes) |
| 9/21 | Chuangtian Guan | Level structures on finite group schemes and applications |
| 9/14 | Nick Russoniello | Contact seaweeds (Slides) |
| 4/12 | Rob Carman | Extending the tom Dieck map for complex characters |
| 3/29 | Fan Ge | Play with permutations (Notes) |
| 3/22 | Edward Poon (ERAU) | Matrices with circular higher rank numerical range |
| 3/04 | Dana Williams (Dartmouth) | The equivalence theorem for groupoid C*-algebras ( colloquium) |
| 3/01 | Pierre Clare | Imprimitivity, from finite groups to C*-algebras |
| 2/21 | Dan Cranston (VCU) | In most 6-regular toroidal graphs all 5-colorings are Kempe equivalent |
| 12/08 | Vladimir Bolotnikov | Cyclic matrices over division rings |
| 12/03 | Edgar Costa (MIT) | The $L$-functions and modular forms database (Slides, Gif 1, Gif 2) |
| 12/01 | Sage Stanish'22 | An application of computational homology to the Ising Model |
| 11/10 | Pierre Clare | Noncommutative distances on graphs |
| 10/20 | Eric Swartz | Covering numbers of rings with unity (Slides) |
| 10/06 | Gabriel Martins (Sacramento State) | Skateboard tricks and topological flips (Slides) |
| 9/29 | Cordelia Li'22 | Copositive matrices, their dual, and the Recognition Problem (Slides) |
| 9/22 | Merielyn Sher'22 | Enumerating minimum path covers of trees (Slides) |
| 9/15 | Bjoern Muetzel (Eckerd College) | Harmonic forms on pinched surfaces (Slides) |
| 9/08 | Gexin Yu | Sufficient conditions for 2-dimensional graph rigidity |
| 4/30 | Ethan Shelburne'21 | Toward a holographic transform for quantum Clebsch-Gordan (Notes) |
| 4/23 | Çisil Karagüzel (UC Santa Cruz) | Fusion systems of blocks of finite groups over arbitrary fields (Notes) |
| 4/16 | Pierre Clare | Von Neumann algebras, subfactors and knots, III (Notes) |
| 3/26 | Spencer Schrandt'21 | Reality and strong reality in finite symplectic groups (Notes) |
| 3/12 | Pierre Clare | Von Neumann algebras, subfactors and knots, II (Notes) |
| 3/05 | Pierre Clare | Von Neumann algebras, subfactors and knots, I (Notes) |
| 2/19 | Olivia Ding'21 | The minimum number of multiplicity 1 eigenvalues among real symmetric matrices whose graph is a tree (Notes) |
| 2/12 | Spring Break Day | No Talk |
| 2/05 | Charles Johnson | Topics on the nonnegative inverse eigenvalue problem (Notes), (Survey) |
| 11/11 | Eric Swartz | Introduction to quantum groups, IV. Coherent configurations and quantum orbital algebras (Notes, Print.) |
| 10/28 | Moritz Weber (Saarland University) | Quantum automorphism groups of finite graphs: a survey (Notes) |
| 10/21 | Samantha Phillips'21 Akshata Pisharody'21 | Introduction to quantum groups, III. Quantum permutations and quantum automorphisms of graphs (Notes) |
| 10/14 | Rob Carman | Characterizing orthogonal units of the trivial source ring (Notes) |
| 10/07 | Ethan Shelburne'21 | Introduction to quantum groups, II. Deformations of Lie algebras (Notes) |
| 9/30 | Pierre Clare | Introduction to quantum groups, I. Groups, algebras and duality (Notes) |
| 9/23 | Chi-Kwong Li | Quantum error correction (Notes) |
| 9/16 | Pierre Rousselin (Paris 13) | Conductance of a subdiffusive random weighted tree (Notes) |
| 4/30 | Nick Werner (SUNY Old Westbury) | Covering numbers of rings (Notes) |
| 4/16 | Eric Swartz | Covering numbers of groups (Notes) |
| 3/05 | Fan Ge | The Index Conjecture in Zero-Sum theory |
| 2/20 | Snow day | No talk |
| 2/13 | Pierre Clare | K-theory of the tempered dual of real reductive groups, II |
| 2/06 | Pierre Clare | K-theory of the tempered dual of real reductive groups, I |
| 1/30 | Chi-Kwong Li | Generalized numerical ranges and commutativity of matrices |
| 12/10 | Anupam Singh (IISER Pune) | Word map on groups |
| 11/20 | Rob Carman | Modular representation theory via representation rings |
| 11/06 | Eric Swartz | Butson-Hadamard matrices |
| 10/30 | Vladimir Bolotnikov | Shift-invariant subspaces in the Hardy and Bergman spaces |
| 10/23 | Angel Román (Penn State) | The Mackey bijection and continuous fields of reduced group C*-algebras |
| 10/16 | Pierre Clare | Cartan motion groups and Mackey's analogy |
| 10/09 | Ryan Vinroot | Euclid's generating function trick and counting real conjugacy classes |
| 10/02 | Martin Rolek | The double-critical graph conjecture |
| 9/25 | Pierre Clare | Characteristic polynomials of representations |
| 9/18 | Charles Johnson | Playing simultaneous chess games with 14 REU students |
| 9/11 | Chi-Kwong Li | Numerical ranges and dilation |
| 9/04 | Fan Ge | Riemann's memoir |
| 4/18 | Eric Swartz | Which finite groups are unit groups of finite rings? |
| 4/11 | Pierre Clare | Hilbert modules and applications, III |
| 3/28 | Gabriel Martins (UC Berkeley) | A topological approach to magnetic confinement |
| 3/21 | Vladimir Bolotnikov | On degree-constrained and norm-constrained interpolation problems, II |
| $\pi^{19}$ | Jamison Barsotti | The double Burnside ring |
| 2/28 | Vladimir Bolotnikov | On degree-constrained and norm-constrained interpolation problems, I |
| 2/21 | Ryan Vinroot | Some results and a conjecture on finite simple groups |
| 2/14 | Rob Carman | Introduction to biset functors |
| 2/07 | Pierre Clare | Hilbert modules and applications, II |
| 1/31 | Pierre Clare | Hilbert modules and applications, I |
| 12/06 | Jacopo Gliozzi'19 | Principal series representations of $\mathrm{SL}(3,\mathbb{R})$ |
| 11/29 | Emilee Cardin'19 | Spectra of Kohn laplacians on spheres |
| 11/15 | Ryan Vinroot | Linear algebraic groups, II |
| 11/08 | Eric Swartz | Symmetries of finite generalized quadrangles, II |
| 11/01 | Ryan Vinroot | Linear algebraic groups, I |
| 10/25 | Eric Swartz | Symmetries of finite generalized quadrangles, I |
| 10/18 | Nacir Hmidouch | Composition operators on iterated weighted-type spaces of analytic functions |
| 10/11 | Pierre Clare | Topology on the unitary dual of Lie groups |
| 10/04 | Chi-Kwong Li | Preserver problems |
| 09/27 | Rob Carman | Burnside rings of fusion systems |
| 09/20 | Jamison Barsotti | The Burnside ring of a finite group and its unit group |
| 09/13 | Hurricane Florence scare | No talk |
| 09/06 | Charles Johnson | Eigenvalues, multiplicities and graphs, II |
| 08/31 | Charles Johnson | Eigenvalues, multiplicities and graphs, I (Colloquium) |
| 04/18 | Ryan Vinroot | Introduction to fusion systems, Part 2 |
| 04/11 | Ronan Egan (U. of Rijeka) | Self-orthogonal codes via orbit matrices |
| 04/04 | Ryan Vinroot | Introduction to fusion systems, Part 1 |
| 03/28 | Andrew Zimmer | Limit sets of discrete groups |
| 03/23 | Jared Lichtman (Dartmouth College) | The reciprocal sum of primitive nondeficient numbers |
| 03/14 | Andrew Zimmer | Harmonic functions on manifolds | 02/21 | Eric Swartz | Association schemes, representation theory, and graph symmetry |
| 02/07 | Pierre Clare | Discrete series of $\mathrm{SL}(2,\mathbb{R})$ |
| 01/31 | Andrew Zimmer | Surfaces and hyperbolic geometry |
| 01/24 | Andrew Zimmer | Anosov representations |
| 12/06 | Ryan Vinroot | Real representations of finite groups |
| 11/29 | Pierre Clare | Square-integrable representations |
| 11/15 | Charles Johnson | Immanants, generalized matrix functions and the Permanent on Top Conjecture |
| 11/08 | Jiwon Kim | $p$-adic representations |
| 11/01 | Pierre Clare | Representations of compact groups: Peter-Weyl Theory |
| 10/25 | Stephen Trefethen | Brauer characters of finite groups |
| 10/18 | Eric Swartz | Character theory of finite groups II |
| 10/11 | Eric Swartz | Character theory of finite groups I |
| 10/04 | Pierre Clare | Group (operator) algebras |
| 09/27 | Ryan Vinroot | Representation theory of finite groups I |
