Welcome to the ESI

The Erwin Schrödinger International Institute for Mathematics and Physics (ESI) is a programme-oriented research institute for mathematics and physics at the University of Vienna. Since its opening in 1993 it has been the mission of the ESI to advance research in mathematics and physics through fruitful interaction between scientists from these disciplines. [more]

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News

Call for CECAM-ESI-Workshop

Published on June 9, 2026

The ESI Medal 2026 is awarded to Ingrid Daubechies

Published on June 1, 2026

Senior Research Fellow Lecture Course by Prof. Benedict Leimkuhler starts on April 16, 2026

Published on March 30, 2026

New SAB members in 2026

Published on March 27, 2026

New directorate of the ESI appointed

Published on March 9, 2026

[All news entries]

If you are interested in applying for an ESI activity, please check out the links below:

Current and Upcoming Activities

The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory June 15, 2026 — July 17, 2026 Thematic Programme

New Paradigms for Harnessing Quantum Field Theory at Colliders July 27, 2026 — Aug. 28, 2026 Thematic Programme

Individual Visiting Scientists 2026 Sept. 7, 2026 — Sept. 11, 2026 Workshop

FLINTA* in Set Theory Sept. 9, 2026 — Sept. 11, 2026 Workshop

Statistical Mechanics and Combinatorics of Discrete Planar Structures Sept. 14, 2026 — Oct. 30, 2026 Thematic Programme

ESI Fellows Activities

Research in Teams: Quivers, VOAs, and Generalised Symmetries June 1, 2026 — Aug. 7, 2026 Research in Teams

Research in Teams: Eliminating (or correcting?) topology violations in dissipative particle Dynamics Aug. 1, 2026 — Sept. 1, 2026 Research in Teams

Priyadarshini Pandit (TIFR): Boundary Carrollian Symmetries and Null Open Strings Oct. 1, 2026 — Nov. 30, 2026 Junior Research Fellow

[view all activities]

Upcoming Talks

Jul 08. 2026

Toric Geometry of Multiple Zeta Values Abhiram Kidambi (MPI MIS, Leipzig) Jul 08. 2026, 09:30 - 10:15 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

On genus-one fibered Calabi-Yau threefolds Emanuel Scheidegger (Peking U) Jul 08. 2026, 10:45 - 11:30 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Applications of Toric Birational Geometry to String Compactifications Elijah Sheridan (Cornell U, Ithaca) Jul 08. 2026, 11:30 - 12:15 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Jul 09. 2026

Spectral Bounds of 6d F-theory and the Effectiveness of Toric Blowups Seung-Joo Lee (Yonsei University) Jul 09. 2026, 09:30 - 10:15 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Machine Learning Brane Tilings and Toric Calabi-Yau 3-folds Rak-Kyeong Seong (UNIST) Jul 09. 2026, 10:45 - 11:30 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Symmetries of Calabi-Yau Hypersurfaces in Toric Four-Folds Andre Lukas (U of Oxford) Jul 09. 2026, 11:30 - 12:15 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Searching for Special Lagrangian cycles in Calabi-Yau Manifolds Fabian Ruehle (Northeastern U, Boston) Jul 09. 2026, 14:00 - 14:45 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Beyond toric geometry and piecewise linear combinatorics Chris Manon (U Kentucky) Jul 09. 2026, 14:45 - 15:30 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Which toric Deligne-Mumford stacks have infinitely many line bundles with trivial cohomology? Lev Borisov (Rutgers U) Jul 09. 2026, 16:00 - 16:45 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).

Jul 10. 2026

Positive charts of toric varieties Simon Telen (MPI MIS, Leipzig) Jul 10. 2026, 09:30 - 10:15 Part of The Unreasonable Effectiveness of Toric Geometry: Bridging Mathematics, Computation, and String Theory (Thematic Programme).