Groups, Analysis, Geometry

Department of Mathematics

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 |