Thu | Nov 25 | 15:00 | Christian Urech | Actions of Cremona groups on CAT(0) cube complexes | |

Tue | Nov 23 | 10:00 | Sung Rak Choi | Subadditivity theorem for Okounkov bodies | |

Thu | Nov 18 | 15:00 | Oscar Garcia-Prada | Higgs bundles and higher Teichmüller spaces | |

Tue | Nov 16 | 15:00 | Mark Gross | Open FJRW theory | |

Thu | Nov 11 | 13:00 | Rosa Winter | Concurrent exceptional curves on del Pezzo surfaces of degree one and torsion points on elliptic fibrations | |

Tue | Nov 09 | 17:00 | Farbod Shokrieh | Heights and moments of abelian varieties | |

Thu | Nov 04 | 14:00 | François Loeser | A motivic version of topological mirror symmetry | |

Tue | Nov 02 | 17:00 | Elana Kalashnikov | Undoing toric degenerations: an analogue of Greene-Plesser mirror symmetry for the Grassmannian | |

Thu | Oct 28 | 14:00 | Viatcheslav Kharlamov | New examples of surgery invariant counts in real algebraic geometry | |

Tue | Oct 26 | 13:00 | Fenglong You | Degenerations, fibrations and mirror symmetry | |

Thu | Oct 21 | 17:00 | Donu Arapura | Euler characteristics of aspherical Kähler manifolds | |

Tue | Oct 19 | 15:00 | Ronan Terpereau | Real structures on almost homogeneous varieties | |

Thu | Oct 14 | 12:00 | Fei Hu | A dynamical approach to generalized Weil's Riemann hypothesis | |

Tue | Oct 12 | 16:00 | Richard Thomas | Higher rank DT theory from curve counting | |

Thu | Oct 07 | 11:00 | Yongnam Lee | Dominant rational maps from a very general hypersurface | |

Tue | Oct 05 | 10:00 | Ana Caraiani | On the cohomology of Hilbert modular varieties with torsion coefficients | |

Thu | Sep 30 | 21:00 | Amnon Neeman | Uniqueness theorems for dg enhancements | |

Tue | Sep 28 | 15:00 | Giulia Sacca | Compactification of Lagrangian fibrations | |

Thu | Sep 23 | 15:00 | June Huh | TBA | |

Tue | Sep 21 | 13:00 | Alexander Perry | TBA | |

Thu | Sep 16 | 21:00 | Geordie Williamson | Geometric extensions | |

Tue | Sep 14 | 14:00 | Jaroslaw Wisniewski | Rational maps via C* actions | |

Thu | Sep 09 | 15:00 | Stefano Filipazzi | On the boundedness of elliptically fibered varieties | |

Tue | Sep 07 | 09:00 | Christian Schnell | A new finiteness theorem for variations of Hodge structure | |

Thu | Sep 02 | 11:00 | Andrea Fanelli | Rational simple connectedness and Fano threefolds | |

Thu | Jul 29 | 11:00 | Anand Sawant | Near-rationality properties of norm varieties | |

Tue | Jul 27 | 16:00 | Kenneth Ascher | K-stability and birational geometry of moduli spaces of quartic K3 surfaces | |

Thu | Jul 22 | 11:00 | Swarnava Mukhopadhyay | Hitchin connection for parabolic bundles | |

Tue | Jul 20 | 11:00 | Eiji Inoue | Perelman's entropy and optimal degeneration | |

Thu | Jul 15 | 16:00 | Nicole Lemire | Codimension 2 cycles of classifying spaces of low-dimensional algebraic tori | |

Tue | Jul 13 | 10:00 | Zheng Zhang | The moduli space of cubic surface pairs via the intermediate Jacobians of Eckardt cubic threefolds | |

Thu | Jul 08 | 15:00 | Aline Zanardini | Stability of pencils of plane curves | |

Tue | Jul 06 | 10:00 | Taku Suzuki | Higher order minimal families of rational curves on Fano manifolds | |

Thu | Jul 01 | 11:00 | Sheng Meng | Automorphism group and its Jordan property | |

Tue | Jun 29 | 11:00 | Javier Fernandez de Bobadilla | The Brasselet-Schurmann-Yokura conjecture for L-classes on singular varieties | |

Thu | Jun 24 | 11:00 | Howard Nuer | The cohomology of the general stable sheaf on a K3 surface | |

Tue | Jun 22 | 11:00 | Krishna Hanumanthu | Rationality questions on Seshadri constants. | |

Thu | Jun 17 | 16:00 | Paolo Cascini | Birational geometry of foliations on a complex threefold | |

Tue | Jun 15 | 11:00 | Eveline Legendre | Valuative stability for polarised varieties | |

Thu | Jun 10 | 16:00 | Fumiaki Suzuki | An O-acyclic variety of even index | |

Tue | Jun 08 | 15:00 | Lev Borisov | Explicit equations of surfaces of general type | |

Thu | Jun 03 | 16:00 | Enrico Fatighenti | Fano varieties from homogeneous vector bundles | |

Tue | Jun 01 | 11:00 | Livia Campo | Fano 3-folds and double covers | |

Thu | May 27 | 15:00 | Anthony Varilly-Alvarado | Quasi-hyperbolicity via explicit symmetric differentials | |

Tue | May 25 | 15:00 | Brendan Hassett | Rationality of even-dimensional intersections of two real quadrics | |

Thu | May 20 | 15:00 | Marta Pieropan | Campana points on Fano varieties | |

Tue | May 18 | 11:00 | Jørgen Vold Rennemo | K-theoretic sheaf counting invariants on C^4 | |

Thu | May 13 | 14:00 | Jack Rogers | K-stability of smooth Fano SL2-threefolds | |

Tue | May 11 | 13:00 | Stefan Kebekus | Brauer-Manin obstruction on a simply connected fourfold and a Mordell theorem in the orbifold setting | |

Thu | May 06 | 14:00 | Mara Ungureanu | Counts of secant planes to varieties, Virasoro algebras, and universal polynomials | |

Tue | May 04 | 14:00 | Maria Pe Pereira | Moderately Discontinuous Algebraic Topology | |

Thu | Apr 29 | 12:00 | Margarida Melo | On the top weight cohomology of the moduli space of abelian varieties | |

Tue | Apr 27 | 15:00 | Yuri Tschinkel | Equivariant birational types | |

Thu | Apr 22 | 17:00 | Sandor Kovacs | Hodge sheaves for singular families | |

Tue | Apr 20 | 17:00 | Jakub Witaszek | Relative semiampleness in mixed characteristic. | |

Thu | Apr 15 | 10:00 | Yasunari Nagai | Rational normal quintic curves on a cubic fourfold | |

Tue | Apr 13 | 17:00 | Karl Schwede | Recent progress in mixed characteristic higher dimensional algebraic geometry | |

Thu | Apr 08 | 13:00 | Adrian Langer | Chern classes of vector bundles | |

Tue | Apr 06 | 10:00 | Takehiko Yasuda | Stringy motives and local fundamental groups of klt surface singularities in arbitrary characteristic | |

Thu | Apr 01 | 15:00 | Vyacheslav Shokurov | Around a-n-complements | |

Tue | Mar 30 | 10:00 | Katsuhisa Furukawa | On the singular loci of higher secant varieties of Veronese embeddings | |

Thu | Mar 25 | 15:00 | Giulia Sacca | Fano manifolds associated to hyperkahler manifolds | |

Tue | Mar 23 | 10:00 | John Lesieutre | Rational surface automorphisms without periodic curves | |

Thu | Mar 18 | 15:00 | Chris Lazda | A Neron-Ogg-Shafarevich criterion for K3 surfaces | |

Tue | Mar 16 | 10:00 | Taro Sano | Birational boundedness of some Calabi-Yau hypersurfaces | |

Thu | Mar 11 | 15:00 | Carolina Araujo | Birational geometry of Calabi-Yau pairs and 3-dimensional Cremona transformations | |

Tue | Mar 09 | 11:00 | Shunsuke Takagi | Deformations of F-pure and F-regular singularities | |

Thu | Mar 04 | 10:00 | Kiwamu Watanabe | Positivity of the exterior power of the tangent bundles | |

Tue | Mar 02 | 15:00 | Fernando Cukierman | Deformations of exterior differential ideals and applications | |

Thu | Feb 25 | 10:00 | Atsushi Ito | Linear systems on abelian varieties via M-regularity of Q-twisted sheaves | |

Tue | Feb 23 | 15:30 | Shing-Tung Yau | Geometry of Conifold Transitions | |

Thu | Feb 18 | 14:00 | Frediani Paola | A canonical Hodge theoretic projective structure on compact Riemann surfaces | |

Tue | Feb 16 | 11:00 | Yusuke Nakamura | Inversion of adjunction for quotient singularities | |

Thu | Feb 11 | 18:00 | Tomasso de Fernex | Motivic integration on Berkovic spaces | |

Tue | Feb 09 | 11:00 | Enrica Floris | Connected algebraic groups acting on Fano fibrations over $\mathbb P^1$ | |

Thu | Feb 04 | 11:00 | Shinnosuke Okawa | Moduli space of semiorthogonal decompositions | |

Tue | Feb 02 | 15:00 | Simon Donaldson | Enumerative geometry, Fredholm analysis and moduli spaces of surfaces of general type | |

Thu | Jan 28 | 14:00 | Fabrizio Catanese | Varieties of nodal surfaces, Coding theory, and cubic discriminants | |

Tue | Jan 26 | 14:00 | Frances Kirwan | Moduli of unstable objects in algebraic geometry | |

Thu | Jan 21 | 10:00 | Osamu Fujino | On extremal contractions of log canonical pairs | |

Tue | Jan 19 | 09:00 | Shihoko Ishii | Uniform bound of the number of weighted blow-ups to compute the minimal log discrepancy for smooth 3-folds | |

Thu | Jan 14 | 10:00 | Hiromu Tanaka | On Mori fibre spaces in positive characteristic | |

Tue | Jan 12 | 18:00 | Patricio Gallardo | Compactifications of the moduli space of cubic surfaces | |

Thu | Jan 07 | 10:00 | Hiromichi Takagi | Key varieties for prime Q-Fano threefolds of codimension 4 | |

Tue | Dec 29 | 15:00 | Jingjun Han | The ACC for local volumes and boundedness of singularities | |

Thu | Dec 24 | 10:00 | Hokuto Uehara | Exceptional collections on the Hilzebruch surface of degree 2 | |

Tue | Dec 22 | 15:00 | Han-Bom Moon | Point configurations, phylogenetic trees, and dissimilarity vectors | |

Thu | Dec 17 | 16:00 | Andrew Harder | Log symplectic pairs and mixed Hodge structures | |

Tue | Dec 15 | 11:00 | Sho Tanimoto | Rational curves on Fano threefolds | |

Thu | Dec 10 | 15:00 | Artan Sheshmani | DT invariants from Gerstenhaber-BV structures, and degeneration technique | |

Tue | Dec 08 | 11:00 | Keiji Oguiso | TBA | |

Thu | Dec 03 | 13:00 | Hulya Arguz | Enumerating punctured log Gromov-Witten invariants from wall-crossing | |

Tue | Dec 01 | 10:00 | Takuzo Okada | K-stability of birationally superrigid Fano 3-fold weighted hypersurfaces | |

Thu | Nov 26 | 10:00 | Yuji Odaka | On compactifying moduli and degenerations of K-trivial varieties | |

Tue | Nov 24 | 10:00 | Kazushi Ueda | Noncommutative del Pezzo surfaces | |

Thu | Nov 19 | 10:00 | Yukari Ito | The McKay correspondence | |

Tue | Nov 17 | 15:00 | Michela Artebani | Cox rings of K3 surfaces | |

Thu | Nov 12 | 16:00 | Jürgen Hausen | Automorphisms of k*-surfaces | |

Tue | Nov 10 | 15:00 | Aleksandr Pukhlikov | Rationally connected rational double covers of primitive Fano varieties | |

Thu | Nov 05 | 13:00 | Cristiano Spotti | Geometric aspects of Kaehler-Einstein metrics on klt pairs | |

Tue | Nov 03 | 17:00 | Bianca Viray | On quadratic points on intersections of two quadrics | |

Thu | Oct 29 | 14:00 | Junyan Cao | On the Ohsawa-Takegoshi extension theorem | |

Tue | Oct 27 | 16:00 | Daniel Greb | Projective flatness over klt spaces and uniformisation of varieties with nef anti-canonical divisor | |

Thu | Oct 22 | 15:00 | Alexander Borisov | Projective geometry approach to Jacobian Conjecture | |

Tue | Oct 20 | 15:00 | Gergely Berczi | Non-reductive group actions and hyperbolicity | |

Thu | Oct 15 | 14:00 | Sandra Di Rocco | Algebraic Geometry of Data | |

Tue | Oct 13 | 14:00 | Ana-Maria Castravet | Blown-up toric surfaces with non-polyhedral effective cone | |

Thu | Oct 08 | 15:30 | Timothy Logvinenko | Skein-triangulated representations of generalised braids | |

Tue | Oct 06 | 16:00 | Junliang Shen | Cohomology of the moduli of Higgs bundles and the Hausel-Thaddeus conjecture | |

Thu | Oct 01 | 16:00 | Burt Totaro | The Hilbert scheme of points on affine space | |

Tue | Sep 29 | 14:00 | Yuri Zarhin | Jordan properties of automorphism groups of algebraic varieties and complex manifolds | |

Thu | Sep 24 | 15:00 | Alan Thompson | Mirror symmetry for fibrations and degenerations | |

Tue | Sep 22 | 14:00 | Jean-Louis Colliot-Thelene | Zero-cycles on del Pezzo surfaces | |

Thu | Sep 17 | 15:00 | Christian Liedtke | Rational curves on K3 surfaces | |

Tue | Sep 15 | 15:00 | Julie Rana | Singularities and divisors in the moduli space of surfaces | |

Thu | Sep 10 | 15:00 | Joaquín Moraga | Topology and geometry of Kawamata log terminal singularities | |

Tue | Sep 08 | 10:00 | Andreas Höring | Fano manifolds such that the tangent bundle is (not) big | |

Thu | Sep 03 | 17:00 | Jarod Alper | Advances in moduli theory | |

Thu | Aug 27 | 10:00 | Robert Berman | Kahler-Einstein metrics, Archimedean Zeta functions and phase transitions | |

Tue | Aug 25 | 17:00 | Christian Boehning | Rigid, not infinitesimally rigid surfaces of general type with ample canonical bundle | |

Thu | Aug 20 | 15:00 | Nicola Pagani | Classifying fine compactified universal Jacobians | |

Tue | Aug 18 | 17:00 | Alessio Corti | Smoothing Gorenstein toric affine 3-folds | |

Thu | Aug 13 | 15:00 | Yuchen Liu | On K-stability of cubic hypersurfaces | |

Tue | Aug 11 | 17:00 | Robert Lazarsfeld | Cayley-Bacharach theorems and multiplier ideals | |

Thu | Aug 06 | 15:00 | Marina Logares | Poisson and symplectic geometry of the moduli spaces of Higgs bundles | |

Tue | Aug 04 | 14:00 | Hamid Ahmadinezhad | Birational geometry of Fano 3-fold hypersurfaces of higher index | |

Thu | Jul 30 | 15:00 | Ziwen Zhu | Equivariant K-stability under finite group action | |

Tue | Jul 28 | 15:30 | Jean-Pierre Demailly | Hermitian-Yang-Mills approach to the conjecture of Griffiths on the positivity of ample vector bundles | |

Thu | Jul 23 | 15:00 | Ruadhai Dervan | Stability of fibrations | |

Tue | Jul 21 | 11:00 | Jihun Park | Cayley octads, plane quartic curves, Del Pezzo surfaces of degree 2 and double Veronese cones | |

Thu | Jul 16 | 15:30 | Matthias Schuett | Rational curves on Enriques surfaces, but only few | |

Tue | Jul 14 | 14:00 | Hélène Esnault | Density of arithmetic representations | |

Thu | Jul 09 | 15:00 | Harold Blum | On properness of K-moduli spaces and destabilizations of Fano varieties | |

Tue | Jul 07 | 17:00 | Ziquan Zhuang | K-stability of Fano varieties via admissible flags | |

Thu | Jul 02 | 10:00 | Susanna Zimmermann | Finite quotients of Cremona groups | |

Tue | Jun 30 | 15:00 | Izzet Coskun | The stabilization of the cohomology of moduli spaces of sheaves on surfaces | |

Thu | Jun 25 | 16:00 | David Mumford | Q&A with legendary geometers: David Mumford | |

Thu | Jun 25 | 15:00 | David Mumford | A moduli space in the differential geometry world | |

Tue | Jun 23 | 17:00 | Alexander Polishchuk | Hyperelliptic limits of quadrics through canonical curves and the super-Schottky locus | |

Thu | Jun 18 | 14:00 | Claire Voisin | Triangle varieties and surface decomposition of hyper-Kahler manifolds | |

Tue | Jun 16 | 15:30 | Nikolaos Tziolas | Vector fields on canonically polarized surfaces | |

Thu | Jun 11 | 14:00 | Ilya Zharkov | Topological SYZ fibrations with discriminant in codimension 2 | |

Tue | Jun 09 | 15:30 | Yuri Prokhorov | General elephants for 3-fold extremal contractions | |

Thu | Jun 04 | 13:00 | Caucher Birkar | Geometry of polarised varieties | |

Tue | Jun 02 | 11:00 | Stefan Schreieder | Equality in the Bogomolov-Miyaoka-Yau inequality in the non-general type case | |

Thu | May 28 | 14:00 | Alexandra Kuznetsova | Sextic double solids | |

Wed | May 27 | 15:00 | Anthony Varilly-Alvarado | Rational curves on K3 surfaces | |

Tue | May 26 | 17:00 | Zsolt Patakfalvi | On the Beauville-Bogomolov decomposition in positive characteristic | |

Thu | May 21 | 11:00 | Xavier Roulleau | On the geometric models of K3 surfaces with finite automorphism group and Picard number larger than two | |

Tue | May 19 | 17:00 | Mircea Mustață | Minimal exponent and Hodge filtrations | |

Thu | May 14 | 15:30 | John Christian Ottem | Tropical degenerations and stable rationality | |

Tue | May 12 | 16:00 | Kristin De Vleming | Wall crossing for K-moduli spaces of plane curves | |

Thu | May 07 | 18:00 | Samuel Grushevsky | Geometry of moduli of cubic threefolds | |

Tue | May 05 | 15:00 | Chen Jiang | Minimal log discrepancies of 3-dimensional non-canonical singularities | |

Thu | Apr 30 | 15:00 | Arnaud Beauville | Vector bundles on Fano threefolds and K3 surfaces | |

Tue | Apr 28 | 16:00 | Christopher Hacon | Recent progress in the MMP for 3-folds and 4-folds in char p>0 | |

Thu | Apr 23 | 16:00 | Yoshinori Gongyo | On a generalized Batyrev's cone conjecture | |