January 15 | Ben Antieau (Northwestern) | Genus 1 curves in twisted projective spaces | video, slides
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January 22 | Takumi Murayama (Princeton) | Grothendieck’s localization problem | video, slides, handout |
January 29 | Soumya Sankar (Ohio State) | Derived equivalences of gerbey curves | |
February 5 | Sean Keel (UT Austin) | Berkovich geometry and mirror symmetry | video |
February 12 | Laure Flapan (Michigan State) | Fano manifolds associated to hyperkähler manifolds | slides |
February 19 | Izzet Coskun (UIC) | Algebraic Hyperbolicity and Lang-type loci in hypersurfaces | video, slides |
February 26 | Jihao Liu (Utah) | Complements and local singularities in birational geometry | video, slides |
March 5 | Arend Bayer (Edinburgh) | Fano varieties: from derived categories to geometry via stability | video, slides |
March 12, 4 pm | Yuuji Tanaka (Kyoto) | On the virtual Euler characteristics of the moduli spaces of semistable sheaves on a complex projective surface | slides |
March 26 | Nikolas Kuhn (Stanford) | A blowup formula for virtual Donaldson invariants | video |
April 2 | Matt Baker (Georgia Tech) | Pastures, Polynomials, and Matroids | video |
April 9 | Sam Molcho (ETH) | The strict transform in logarithmic geometry | slides |
April 16 | Samir Canning (UC San Diego) | The Chow rings of M7, M8, and M9 | video, slides |
April 23 | Michael Temkin (HUJI) | Logarithmic resolution of singularities | video, slides |
April 30 | Remy van Dobben de Bruyn (Princeton/IAS) | Constructing varieties with prescribed Hodge numbers modulo m in positive characteristic | slides |
May 7 | Geoff Smith (UIC) | Normal bundles of rational curves and separably rationally connected varieties | video, slides |
May 14 | Joachim Jelisiejew (Warsaw) | Pathologies on the Hilbert scheme of points | video, slides |
May 21 | Eric Katz (Ohio State) | Iterated p-adic integration on semistable curves | video, slides
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May 28 | Dhruv Ranganathan (Cambridge) | Constructing logarithmic moduli | video, slides |
June 4 | Martin Ulirsch (Goethe-Universität Frankfurt) | Tropical geometry and logarithmic compactifications of reductive algebraic groups | video, slides |
June 11 | Lena Ji (Princeton/Michigan) | The Noether–Lefschetz theorem | slides |
July 9 | Denis Nardin (Regensburg) | Quadratic forms on rings and the homotopy limit problem | video, slides |
July 16 | Raymond Cheng (Columbia) | q-bic hypersurfaces | video, slides |
July 23 | Tom Graber (Caltech) | Virtual localization for relative obstruction theories and stable log maps | video, slides |
July 30 | Federico Scavia (UBC) | The Grothendieck ring of stacks | video, slides |
August 6 | Ritvik Ramkumar (Berkeley) | On the tangent space to the Hilbert scheme of points in P^3 | video, slides |
August 13 | Elden Elmanto (Harvard) | The completely decomposed arc topology and motivic applications | |
September 10 | Maria Yakerson (ETH) | Twisted K-theory in motivic homotopy theory | slides |
September 17 | Han-Bom Moon (Fordham/Stanford) | Derived category of moduli of vector bundles | video, slides |
September 24 | Ming Hao Quek (Brown) | Logarithmic resolution of singularities via multi-weighted blow-ups | video, slides |
October 1 | Arnav Tripathy (Stanford) | Line bundles in equivariant elliptic cohomology | video, slides |
October 8 | Joaquín Moraga (Princeton) | Toroidalization principles for klt singularities | video, slides |
October 15 | Maddie Weinstein (Stanford) | Algebraic geometry of curvature and matrices with partitioned eigenvalues | video, slides |
November 5 in 383-N | Mohammed Abouzaid (Columbia) | What can symplectic topology tell us about algebraic varieties? | |
November 12 | Kai Behrend (UBC) | Donaldson-Thomas theory of the quantum Fermat quintic | video, slides |
November 19 | Renzo Cavalieri (Colorado State) | The integral Chow ring of M_0(P^r,d) | video, slides |
November 26 | | no meeting (Thanksgiving break) | |
December 3 | Louis Esser (UCLA) | Varieties of general type with doubly exponential asymptotics | video, slides |
December 10 | Noah Olander (Columbia) | Semiorthogonal Decompositions and Dimension | video, slides |
December 17 | Ziquan Zhuang (MIT) | Properness of the K-moduli space | video, slides |