Mon | Jul 03 | 14:00 | Romain Branchereau | Upper bound on the denominators of Eisenstein classes in Bianchi manifolds | |

Mon | Jul 03 | 13:00 | Victoria Cantoral Farfan | Monodromy groups of Jacobians with definite quaternionic multiplication | |

Mon | Jun 05 | 14:00 | Tamara Kohler | Clique homology is QMA1 hard | |

Mon | Jun 05 | 13:00 | Lenny Fukshansky | Sparsity, virtually rectangular lattices and elliptic curves | |

Mon | May 22 | 13:00 | Ana Caraiani | On Ihara's lemma for Hilbert modular varieties | |

Mon | May 08 | 14:00 | Alexander Kupers | Cohomology of arithmetic groups and high-dimensional manifolds | |

Mon | Apr 24 | 14:00 | Jitendra Bajpai | Arithmeticity and thinness of hypergeometric groups | |

Mon | Apr 24 | 13:00 | Alice Pozzi | Rigid meromorphic cocycles and $p$-adic variations of modular forms | |

Mon | Mar 27 | 13:00 | Luca Fabrizio Di Cerbo | POSTPONED! | |

Mon | Mar 13 | 15:00 | Adam Logan | Higher modularity of elliptic curves over function fields | |

Mon | Mar 13 | 14:00 | Satoshi Kondo | Automorphic forms over function fields with Steinberg at infinity and modular symbols | |

Mon | Feb 27 | 15:00 | Alessandra Iozzi | Irreducible lattices and bounded cohomology | |

Mon | Feb 13 | 15:00 | A. Raghuram | Special values of Rankin-Selberg L-functions over a totally imaginary base field. | |

Mon | Feb 13 | 14:00 | Mathilde Gerbelli-Gauthier | Growth of cohomology of arithmetic groups and endoscopy | |

Mon | Dec 19 | 15:00 | Robin Sroka | On the high-dimensional rational cohomology of arithmetic Chevalley groups | |

Mon | Dec 19 | 14:00 | Daniel Studenmund | Counting flat cycles in the homology of certain locally symmetric spaces | |

Mon | Dec 05 | 15:00 | Frédéric Rochon | Torsion on some fibered cusp manifolds | |

Mon | Dec 05 | 14:00 | Ivan Horozov | Cohomology of $GL(3,\Z)$ and $GL(4,\Z)$ with coefficients in irreducible highest weight representations | |

Mon | Nov 21 | 15:00 | James Newton | Modularity of elliptic curves over imaginary quadratic fields | |

Mon | Nov 21 | 14:00 | Nikolaos Diamantis | Eichler cocycles and polynomials attached to derivatives of $L$-functions | |

Mon | Nov 07 | 15:00 | Jean Raimbault | Around the Bergeron-Venkatesh conjectures on torsion homology of arithmetic lattices | |

Mon | Nov 07 | 14:00 | Harald Grobner | A description of automorphic cohomology in low degrees | |

Mon | Jun 27 | 14:00 | Mike Lipnowski | Rigid meromorphic cocycles for orthogonal groups | |

Mon | Jun 27 | 13:00 | Richard Hill | Fractional weight modular forms | |

Mon | May 30 | 14:00 | Aurel Page | Algorithms for the cohomology of compact arithmetic manifolds | |

Mon | May 30 | 13:00 | Amina Abdurrahman | Square roots of symplectic L-functions and Reidemeister torsion | |

Mon | May 16 | 14:00 | Anna Cadoret | Degeneration loci of $\ell$-adic local systems | |

Mon | May 16 | 13:00 | Oscar Randal-Williams | Stable cohomology of congruence subgroups | |

Mon | May 02 | 14:00 | Kartik Prasanna | Modular forms of weight one, motivic cohomology and the Jacquet-Langlands correspondence | |

Mon | May 02 | 13:00 | Shayan Gholami | Vanishing of non-Eisenstein cohomology of locally symmetric spaces for $GL_2$ over a CM field | |

Mon | Apr 04 | 14:00 | Tommy Hofmann | Lattice isomorphism and the integral matrix similarity problem | |

Mon | Apr 04 | 13:00 | Melody Chan | The $S_n$-equivariant top-weight Euler characteristic of $M_{g,n}$ | |

Mon | Mar 21 | 15:00 | Juliette Bruce | Syzygies in higher dimensions | |

Mon | Mar 21 | 14:00 | Louis Funar | Finite quotients of mapping class groups and central extensions | |

Mon | Mar 07 | 15:00 | Christopher Daw | Unlikely intersections in the moduli space of abelian varieties | |

Mon | Mar 07 | 14:00 | Neil Dummigan | Proving congruences for paramodular forms using quinary form | |

Mon | Feb 21 | 15:00 | Herbert Gangl | Multiple polylogarithms, and Zagier's Conjecture revisited | |

Mon | Feb 21 | 14:00 | Kevin Hutchinson | The third homology of $SL_2(\Q)$ | |

Mon | Feb 07 | 15:00 | Weibo Fu | Growth of Bianchi modular forms | |

Mon | Feb 07 | 14:00 | Alex Cowan | Computing modular forms using supersingular isogeny graphs | |

Mon | Jan 24 | 15:00 | Fredrik Strömberg | A reduction algorithm for Hilbert modular groups | |

Mon | Jan 24 | 14:00 | Gabor Wiese | Unlikely Revelations? -- The Hidden Lattice Problem | |

Mon | Jan 10 | 15:00 | Assia Mahboubi | Mathematics and formal proofs | |

Mon | Jan 10 | 14:00 | Sander Dahmen | Formalization in number theory | |

Mon | Nov 22 | 15:00 | Yang-Hui He | Universes as Bigdata, or, Machine-Learning Mathematical Structures | |

Mon | Nov 22 | 14:00 | Kathryn Hess | On neurons and symmetric groups | |

Mon | Oct 25 | 14:00 | Ruth Kellerhals | The non-arithmetic cusped hyperbolic 3-orbifold of minimal volume | |

Mon | Oct 25 | 13:00 | Martin Deraux | Non-arithmetic lattices in PU(2,1) | |

Mon | Sep 27 | 14:00 | Roberto Alvarenga | Automorphic forms and Hecke operators for $\mathrm{GL}_n$ over global function fields | |

Mon | Sep 27 | 13:00 | Jonas Bergström | Cohomology of a Picard modular surface | |

Mon | Sep 13 | 14:00 | Günter Harder | Mixed motives, L-values, denominators and congruences | |

Mon | Sep 13 | 13:00 | Bettina Eick | The conjugacy problem in $GL(n,\mathbb{Z})$ | |

Mon | Aug 30 | 14:00 | Eran Assaf | Decomposition of Jacobians of Modular Curves | |

Mon | Aug 30 | 13:00 | Asbjørn Nordentoft | On the distribution of modular symbols and beyond | |

Mon | Aug 02 | 14:00 | Dan Yasaki | Cohomology of Congruence Subgroups, Steinberg Modules, and Real Quadratic Fields | |

Mon | Aug 02 | 13:00 | Claire Burrin | Rademacher symbols for Fuchsian groups | |

Mon | Jul 19 | 14:00 | Stephen Miller | Automorphic realizations of Arthur packets and unitarity | |

Mon | Jul 19 | 13:00 | Luis Garcia | Eisenstein cocycles and values of L-functions | |

Mon | Jul 05 | 14:00 | Jennifer Wilson | The high-degree cohomology of the special linear group | |

Mon | Jul 05 | 13:00 | Gaëtan Chenevier | Unimodular hunting | |

Mon | Jun 21 | 14:00 | Alex Kontorovich | Hyperbolic arithmetic groups and sphere packings | |

Mon | Jun 21 | 13:00 | Eva Bayer | Isometries of lattices, knot theory and K3 surfaces | |