Algebra & Geometry Conferences

2026

Masterclass: Cobordism categories - Building bridges between algebra and geometry, 17-21 February 2025
Seminar: The Øresund Seminar on Analysis, PDE & Related Topic, 25 April, 2025
Masterclass: Geometry of Phase Transitions, 28 April to 2 May, 2025
Masterclass: Arithmetic and Homotopy Theory, 9-13 June, 2025
Masterclass: Mathematical Relativity, 16-20 June, 2025
Masterclass: Infinity operads and manifolds, 11-15 August, 2025
Masterclass: Geometric Langlands, 18-22 August 2025
Conference: Nancy Hingston Celebration, 30-31 October 2025
Masterclass: Interactions between homotopy theory and representation theory, 10-14 Nov. 2025

Workshop: International workshop on AI and topology, April 8-10, 2024.
Masterclass: Homotopical methods in manifold theory, April 15-19, 2024
Masterclass: Recent progress on singularity analysis and applications of the mean curvature flow, April 29 - May 3, 2024
Conference: Copenhagen Geometry Conference, 10-14 June, 2024
Masterclass: Continuous K-theory, dualizable and rigid categories, 10-14 June, 2024
Masterclass: Rank Conjectures Across Algebra and Topology, 24-28 June, 2024
Masterclass: Exit path and stratified homotopy types, 24-28 June, 2024
Conference: Topology of moduli spaces, 19-23 August, 2024
Retreat: GeoTop's annual retreat 2024, 28-29 August, 2024

Seminar: GeoTop Geometry Day, 23 November 2023
Masterclass: Topics in geometric group theory, 13-17 November 2023
Masterclass: Parametrized homotopy theory, 4-8 September 2023
Masterclass: Arakelov geometry on Shimura varieties, 28 Aug. - 1 Sept. 2023
Conference: Special session on geometry and topology at the 29th Nordic Congress of Mathematicians, 3-7 July 2023 in Aalborg, Denmark
Masterclass: Formalisation of Mathematics, 26 - 30 June 2023
Mini-workshop: Reading group on Bergström--Diaconu--Petersen--Westerland, 31 May 2023
Workshop: Beyond finite sets - homotopy theory and combinatorics, 15-19 May 2023
Retreat: GeoTop Spring Retreat 2023, 19 Apr. - 20 Apr. 2023
Masterclass: Higher representation theory, March 13-17 March 2023
Masterclass: Topological Hochschild Homology and Zeta Values, 30 Jan. - 3 Feb. 2023

Masterclass: Cluster Algebras and Representation Theory, 14 Nov. - 18 Nov. 2022
Conference: The occasion of Ib Madsen's 80th birthday, 3 Oct. - 4 Oct. 2022
Conference: Young Topologists Meeting, 18-22 July 2022
Conference: Geometry and Topology, ICM sectional workshop, 6-14 July 2022
Conference: Nest Celebration, 13-16 June 2022
Masterclass/workshop: GeoTop Masterclass/Workshop: Mean Curvature Flow and Related Topics, 7-11 marts 2022

Workshop: Homotopy and homology of configuration spaces, 15-19 November 2021
Conference: Automorphisms and Invariants of Operator Algebras, postponed to 18-21 October 2021.
Seminar: GeoTop IRL Summer Seminar 2021, 8 October 2021.
Masterclass: Topological field theories and factorization homology, 23-27 August 2021.
Masterclass: High dimensional cohomology of moduli spaces, 28 June-2 July 2021.
Seminar: GeoTop IRL Summer Seminar 2021, 18 June 2021.
Workshop: Young Geometer's Meeting, 19-23 April 2021.
Masterclass: Scissors congruence, then and now, postponed to 2021.

Masterclass: Condensed Mathematics, 9-13 November 2020.
Symposium: Opening symposium - Centre for Geometry and Topology, 27 August 2020.
Workshop: GeoTop Geometry Day - Sommer 2020, 25 August, 2020.
Workshop: Simplicial complexes, 17-21 August, 2020.
Masterclass: Non-Archimedean Geometry Techniques in Mirror Symmetry, 22-26 June 2020. (Cancelled)

Conference: Stability in Group Theory and Operator Algebras. November 25-28, 2019
Conference: Young Mathematicians in C*-Algebras 19. August 5-10, 2019.
Workshop: Classifying spaces of finite groups of Lie type. July 8-12, 2019.
Conference: SYM is 10 years old! June 24-28, 2019.
Masterclass: Subfactors and Quantum Groups: a combinatorial approach to some problems in Operator Algebras. April 29 - May 3, 2019.

Masterclass: Mahler measures and special values of L-functions. August 27-31, 2018.
Conference: Young Topologists Meeting 18. July 9-13, 2018.
Workshop: Secondary and delocalized index variants. June 11-15, 2018.
Masterclass: Rigidity and algebraic models in stable homotopy theory. April 9-13, 2018.
Masterclass: Tensor triangular geometry and equivariant stable homotopy theory. March 12-16, 2018.

Masterclass: Rigidity of C*-algebras associated to dynamics. October 16-20, 2017.
Masterclass: Applications of the UCT for C*-algebras. October 2-6, 2017.
Masterclass: Representation theory, L-functions and number theory. August 21-25, 2017.
Conference: Young Mathematicians in C*-Algebras 17. August 7-11, 2017.
Workshop: Young Women in C*-Algebras. August 5-6, 2017.
Masterclass: Stable homotopy theory and p-adic Hodge theory. June 26-30, 2017.
Conference: N-cube days VI. June 2-3, 2017.
Masterclass: Cohomology of arithmetic groups. May 8-11, 2017.
Conference: Moduli and Traces: A celebration of the mathematical life of Ib Madsen. April 20-21, 2017.
Masterclass: Stratifications and duality in modular representation theory. March 27-31, 2017.

Masterclass: Sums of self-adjoint operators: Kasparov products and applications. August 22-26, 2016.
Conference: Young Topologists Meeting 16. July 4-8, 2016.
Symposium: The mathematical legacy of Uffe Haagerup. June 24-26, 2016.
Masterclass: Expanders and rigidity of group actions. May 2-6, 2016.

Lecture Series: Quasidiagonality of nuclear C*-algebras. November 10-12, 2015.
Workshop: Automorphisms of free groups. November 9-13, 2015.
Masterclass: Algebraic structures of Hochschild complexes. October 12-16, 2015.
Conference: Young Mathematicians in C*-Algebras 15. August 17-21, 2015.
Masterclass: Representation theory of groups, quantum groups and operator algebras. June 1-5, 2015.
Masterclass: Homological mirror symmetry, deformation quantization and noncommutative geometry. May 18-23, 2015.
Conference: on operator algebras and applications in celebration of Erik Christensen and his work. May 4-8, 2015.
Masterclass: Groups, boundary actions and group C*-algebras. April 13-17, 2015.
Mini Course: Infinite loop spaces and positive scalar curvature. February 16-20, 2015.