Pieter Belmans

2024

December 10: Noncommutative plane curves through the looking glass; Cologne Algebra and Representation Theory Seminar, Cologne
November 25: A topological quantum field theory in mirror symmetry; Geometry &Topology seminar, Luxembourg
June 25: A panorama of quiver moduli; Moselle--Upper Rhine Algebraic Geometry Seminar, Strasbourg
April 24: Hochschild cohomology of Hilbert schemes of points; LAGOON seminar (online)
April 18: Hochschild cohomology of Hilbert schemes of points; Hochschild cohomology and applications, Oberwolfach
March 20: Hochschild cohomology of Hilbert schemes of points; Séminaire ALPE, Montpellier
February 6: Chow rings, geometry and derived categories of quiver moduli; Academia Sinica (online)
January 24: Deformations, symmetries, and derived categories of quiver moduli; Fano and hyperkähler varieties in Genova

2023

December 20: Similarities between moduli of vector bundles on curves and quiver representations; Young Scholar Day, Belgian Mathematical Society
September 13: Hochschild cohomology of Hilbert schemes of points; Radboud University, Nijmegen
June 29: Deformations and derived categories of quiver moduli; Seminar Algebraic Geometry, Max Planck Institute
February 13: Graph potentials, TQFTs and mirror symmetry; Centre for Quantum Mathematics at the University of Southern Denmark
January 10: Hochschild cohomology of Hilbert schemes of points; Fano varieties and hyperkähler varieties, Strasbourg

2022

December 14: Quiver GIT without the GIT; Geometric representation theory and quantum topology, Paris
November 23: Hochschild cohomology of symmetric quotient stacks; Algebraic geometry and representation theory Oberseminar, University of Paderborn
September 9: Mirror symmetry for moduli of rank 2 bundles on curves; Algebraic geometry seminar, University of Bogotá
August 25: Mirror symmetry for moduli of rank 2 bundles on curves; Geometry and quantum theory: Graduate school and colloquium, Utrecht
July 14: Mirror symmetry for moduli of rank 2 bundles on curves; Algebraic geometry: moduli spaces, birational geometry and derived aspects, Oberwolfach
June 30: Homological projective duality for the Segre cubic; Derived categories and birational geometry, University of Milan
May 3: Projectivity of good moduli spaces of semistable quiver representations and vector bundles; Interactions between algebraic geometry and noncommutative algebra, Oberwolfach
February 9: Graph potentials, TQFTs and mirror partners; Algebraic geometry seminar, Goethe Universität Frankurt

2021

November 16: The noncommutative Hirzebruch isomorphism for exotic noncommutative surfaces; Derived seminar (online)
September 8: Rozansky–Witten invariants of hyperkähler manifolds; Hausdorff school on Hyperkähler geometry, University of Bonn
June 15: Hochschild cohomology of Fano 3-folds; Emmy Noether Kolloquium (online), University of Mainz
June 1: Automorphisms and deformations of Hilbert schemes of points on surfaces; Online seminar, Chennai Mathematical Institute
February 4: Hochschild cohomology of partial flag varieties and Fano 3-folds; Online Algebraic Geometry Seminar (online), Nottingham University

2020

November 18: Moduli spaces of semiorthogonal decompositions; Geometry – Algebra seminar (online), University of Edinburgh
November 11: Graph potentials as mirrors to moduli of vector bundles on curves; Algebra seminar (online), Rutgers University
October 9: Graph potentials as mirrors to moduli of vector bundles on curves; Geometry & Topology seminar (online), Imperial College
October 6: Graph potentials as mirrors to moduli of vector bundles on curves; Freemath seminar (online)
July 13: How do semiorthogonal decompositions behave in families?; Moduli spaces, birational geometry and derived aspects, Oberwolfach
July 3: Geometrisation of solutions of the associative Yang–Baxter equation (after Polishchuk); arXiv seminar in representation theory (online), University of Bonn
June 16: Pfaffian–Grassmannian duality; Homological projective duality seminar (online), University of Bonn
June 5: The quadratic Fano correspondence for cubic hypersurfaces via derived categories; Algebraic geometry seminar (online), University of Hannover
February 19: Moduli spaces of semiorthogonal decompositions; Derived categories and geometry of algebraic varieties, TIFR, Mumbai

2019

December 13: Deformations of Hilbert schemes of points through derived categories; Algebraic geometry seminar, University of Freiburg
December 3: Deformations of Hilbert schemes of points through derived categories; Algebraic geometry seminar, University of Birmingham
November 26: Nakajima quiver varieties and their fixed points; Quantum groups and quantum cohomology of symplectic varieties, University of Bonn
September 12: Indecomposability for symmetric powers of curves; The geometry of derived categories, Liverpool
June 25: Deformations of Hilbert schemes of points through derived categories; Workshop on derived categories, moduli spaces and deformation theory, Cetraro
June 18: Fano visitors and hyperkähler varieties; SFB Seminar on Problems and recent developments in hyperkähler geometry, University of Bonn
June 5: Deformations of Hilbert schemes of points through derived categories; Arithmetic and algebraic geometry seminar, University of Amsterdam
May 31: The 2-category $\operatorname{Hilb}S$; Heisenberg categorification seminar, Bonn
May 29: Deformations of Hilbert schemes of points through derived categories; Algebraic and arithmetic geometry Oberseminar, University of Bielefeld
March 26: Derived categories of Hilbert schemes and moduli of vector bundles; One day of algebraic geometry, University of Milan
January 21: Deformation theory of Hilbert squares through derived categories; Algebraic geometry seminar, University of Marburg
January 9: Hochschild cohomology of partial flag varieties; Algebra seminar, University of Glasgow

2018

November 30: Noncommutative projective planes and Hilbert schemes of points; Emmy Noether seminar, University of Erlangen
November 28: Deformation theory of Hilbert squares through derived categories; Algebraic geometry seminar, University of Augsburg
June 21: Derived categories of moduli of vector bundles on a curve; Seminar Algebraic Geometry, Max Planck Institute
May 31: Derived categories of moduli of sheaves on curves; Interactions between algebraic geometry and noncommutative algebra, Oberwolfach
April 19: Moduli of sheaves on (noncommutative) surfaces; Workshop: Sheaves, curves, and moduli, University of Stavanger
March 16: A semiorthogonal decomposition for moduli of vector bundles on a curve?; Antwerp Algebra seminar, University of Antwerp
March 13: Deformations of Hilbert schemes of points; Geometry and algebra, geometry and analysis (GAGA) seminar, University of Utrecht

2017

December 15: Surface-like algebras of rank 4 and blowups in fat points; Oberseminar Representation theory, University of Bonn
November 23: Hilbert schemes of points and the Hochschild–Kostant–Rosenberg decomposition; Kolloquium, University of Mainz
November 20: Deformations of Hilbert schemes and the Hochschild cohomology of surfaces; Oberseminar Algebraic geometry, University of Bochum
September 26: Blowups in fat points and Hirzebruch surfaces; Noncommutative algebraic geometry and related topics, RIMS, Kyoto
September 9: Hochschild-Kostant-Rosenberg decomposition versus noncommutative surfaces; Vector bundles on algebraic curves, University of Essen
June 27: Derived categories of noncommutative quadrics and Hilbert schemes of points; Séminaire de Géométrie algébrique, champs et homotopie, University of Toulouse
June 13: A class of noncommutative Hirzebruch surfaces; Algebra seminar, Free University of Brussels
June 2: Fully faithful functors versus Hochschild-Kostant-Rosenberg; Derived noncommutative geometry, University of Bonn
April 21: Hochschild cohomology of noncommutative planes and quadrics; Representation theory seminar, University of Bielefeld
March 30: Jacobi polynomials, flag varieties and Hochschild cohomology; Algebra seminar, University of Ghent
March 21: Exceptional collections, mutations and Serre functors (preseminar); Construction of noncommutative surfaces of rank 4; MAXIMALS, University of Edinburgh
March 17: Borel–Weil–Bott, Jacobi polynomials and Hochschild cohomology; Antwerp Algebra Seminar, University of Antwerp

2016

December 5: Hilbert schemes of points, and noncommutative planes and quadrics; Generalized geometry and noncommutative algebra, Oxford University
October 28: Hochschild cohomology of noncommutative planes and quadrics; Representation theory seminar, University of Bonn
September 12: Hochschild cohomology of noncommutative planes and quadrics; Bridges between noncommutative algebra and algebraic geometry, Banff
June 7: Geometricity of noncommutative quadrics and Orlov's conjecture; Seminar in Algebra, Geometry and Quantization, Université de Luxembourg
March 11: Deformations of abelian categories and commutative embeddings of noncommutative quadrics; Topology seminar, Université de Lille 1
March 4: Derived categories of noncommutative quadrics and Hilbert schemes of points; Antwerp Algebra Seminar, University of Antwerp

2015

October 13: Derived categories of noncommutative quadrics and Hilbert schemes of points; Algebraic structures of Hochschild complexes, University of Copenhagen
July 9: Derived categories of noncommutative quadrics and Hilbert schemes of points (video); Workshop on Geometric Algebra, Fields Institute, Toronto

2014

October 31: Quivers of strong exceptional collections on smooth projective varieties; Antwerp Algebra Seminar, University of Antwerp
September 22: Quivers of exceptional collections on smooth projective varieties (poster); poster presentation at the British Algebraic Geometry meeting, University of Warwick
January: series of four lectures on Grothendieck duality (notes); Antwerp Algebraic Geometry, Rings And More Seminar, University of Antwerp

2013

November 20: The $(\infty,1)$-topos of derived stacks (notes); Winter school on derived algebraic geometry, Flumserberg
October 9: Understanding $\mathbf{D}^{\mathrm{b}}(kQ)$ using moduli spaces (slides); Young researchers in representation theory, University of Wüppertal
October 9: The moduli space of finite-dimensional algebras; Young researchers in representation theory, University of Wüppertal
August 28: Triangulated structure on the category of projectives; Summer school on preprojective algebras, Bad Driburg
June 12: Derived Torelli for K3 surfaces (notes); Summer seminar in algebraic geometry, Columbia University, New York
May 17: The derived moduli stack of perfect complexes (notes); Autour de la Géométrie Algébrique Dérivée, Paris VII
April 12: Differential graded categories (notes); Autour de la Géométrie Algébrique Dérivée, Paris VII