Wed | Nov 29 | 16:00 | Fran Burstall | Isothermic surfaces and Noether's theorem | |

Wed | Nov 22 | 16:00 | Jeffrey Shallit | Proving results in combinatorics on words and number theory using a decidable logic theory | |

Wed | Nov 15 | 16:00 | Iván Rasskin | On the arithmetic and geometric properties of regular polytopal sphere packings and their connection to knot theory | |

Wed | Nov 08 | 16:00 | Victor Kleptsyn | From the percolation theory to Fuchsian equations and Riemann-Hilbert problem | |

Wed | Nov 01 | 16:00 | Herman Servatius | Rigidity and movability of configurations in the projective plane | |

Wed | Oct 25 | 15:00 | Alexander Esterov | TBA | |

Wed | Oct 18 | 15:00 | Ekaterina Shemyakova | On super cluster algebras based on super Plücker and super Ptolemy relations | |

Wed | Oct 11 | 15:00 | Sophie Morier-Genoud | q-Analogs of rational numbers and the Burau representation of the braid group B3. | |

Wed | Oct 04 | 15:00 | Pär Kurlberg | Repulsion in number theory and physics | |

Wed | May 10 | 15:00 | Michael Gekhtman | Unified approach to exotic cluster structures in simple Lie groups | |

Wed | Apr 26 | 15:00 | Nathan Uricchio | TBA | |

Wed | Apr 19 | 15:00 | Jörg Thuswaldner | Multidimensional continued fractions and symbolic codings of toral translations | |

Wed | Apr 12 | 15:00 | Valérie Berthé | Balanced words and symbolic dynamical systems | |

Wed | Apr 05 | 15:00 | Egon Schulte | Skeletal Polyhedral Geometry and Symmetry | |

Wed | Mar 29 | 15:00 | Pavel Tumarkin | Farey graph and ideal tetrahedra | |

Wed | Mar 22 | 16:00 | Thomas Garrity | On Partition Numbers and Multi-dimensional Continued Fractions | |

Wed | Mar 15 | 16:00 | Bob Connelly | Global Rigidity of Braced Convex Polygons | |

Wed | Mar 08 | 16:00 | Nikolay Moshchevitin | Geometry of Diophantine Approximation | |

Wed | Mar 01 | 16:00 | Iskander Aliev | Sparse integer points in rational polyhedra: bounds for the integer Caratheodory rank | |

Wed | Feb 08 | 16:00 | Andy Hone | Continued fractions from hyperelliptic curves | |

Wed | Dec 14 | 16:00 | John Blackman | Cutting Sequences and the p-adic Littlewood Conjecture | |

Wed | Dec 07 | 16:00 | Matteo Raffaelli | Curvature-adapted submanifolds of semi-Riemannian groups | |

Wed | Nov 23 | 16:00 | Karin Baur | Frieze patterns and cluster theory | |

Wed | Nov 16 | 16:00 | Valentin Ovsienko | Shadows of numbers: supergeometry with a human face | |

Wed | Nov 02 | 16:00 | Anton Lukyanenko | Heisenberg continued fractions: overview and recent results | |

Wed | Oct 26 | 15:00 | Igor Potapov | Reachability Problems in Matrix Semigroups | |

Wed | Oct 19 | 15:00 | James Cruickshank | Global Rigidity of Triangulated Manifolds | |

Fri | Jun 17 | 14:00 | Simon Kristensen | TBA | |

Fri | May 06 | 14:00 | Sinai Robins | TBA | |

Fri | Apr 29 | 14:00 | Bernd Schulze | Group-theoretic methods for the rigidity analysis of discrete structures | |

Fri | Apr 08 | 14:00 | Sabir Gusein-Zade | Non-commutative analogue of the Berglund–Hübsch–Henningson duality and symmetries of the orbifold Euler characteristic (II) | |

Fri | Apr 01 | 14:00 | Sabir Gusein-Zade | Non-commutative analogue of the Berglund–Hübsch–Henningson duality and symmetries of the orbifold Euler characteristic (I) | |

Fri | Mar 25 | 15:00 | Padraig Ó Catháin | Sequencing of Steiner Triple Systems | |

Fri | Mar 11 | 15:00 | Krishnendu Gongopadhyay | Reversibility of isometries | |

Fri | Mar 04 | 15:00 | Fatemeh Mohammadi | Matroid stratifications of hypergraph varieties and their realization spaces | |

Fri | Feb 11 | 15:00 | Alan Haynes | Gap theorems for linear forms and for rotations on higher dimensional tori | |

Fri | Feb 04 | 15:00 | Ivan Izmestiev | Regge symmetry | |

Fri | Dec 17 | 15:00 | Alexey Sossinsky | Thickened Knots: Energy Functionals and Normal Forms | |

Fri | Dec 10 | 15:00 | John Hunton | What is the space group of an aperiodic pattern? | |

Fri | Dec 03 | 15:00 | Anna Felikson | Friezes for a pair of pants | |

Fri | Nov 26 | 15:00 | Giovanni Panti | Attractors of dual continued fractions | |

Fri | Nov 19 | 15:00 | Irene Pasquinelli | Mapping class group orbit closures for non-orientable surfaces | |

Fri | Nov 05 | 15:00 | Daniel Slilaty | Representing Matroids using Partial Fields | |

Fri | Oct 29 | 14:00 | Lenny Fukshansky | Representing integers by multilinear polynomials | |

Fri | Oct 22 | 14:00 | Alexey Sossinsky | Energy Functionals and the Normal Forms of Knots and Plane Curves | |

Fri | Oct 15 | 16:00 | Polina Vytnova | Hausdorff dimension of Gauss−Cantor sets and their applications to the study of classical Markov spectrum | |

Fri | Oct 08 | 16:00 | Arkadiy Skopenkov | Invariants of graph drawings in the plane | |