Contemporary Trends in Hamiltonian Geometry

(September 27-October 2, 2026)

Lagrangian needle’s eyes and almost toric geometry

by Joé Brendel (ETH Zürich)

Polyhedral Integral Affine Surfaces

by Margaret Symington (Mercer University)

 

 On orientability, Poincaré duality, and connectivity of GKM graphs

by Oliver Goertsches (Philipps-Universität Marburg)

Finiteness and boundedness of positive monotone Hamiltonian GKM3-spaces

by Leopold Zoller (Universitat de Barcelona)

Kähler Complexity One Hamiltonian T-Manifolds Have Trivial Paintings

by Isabelle Charton (Instituto Superior Técnico Lisbon)

 

Polyptych lattices 2: Polyptych varieties and the Gel’fand-Cetlin toric variety

by Christopher Manon (University of Kentucky)

 

Infinite staircases in symplectic ball packings of one-point blowups of CP^2

by Ana Rita Pires (University of Edinburgh)

 

Almost toric fibrations and symplectic embeddings

by Nicki Magill (UC Berkeley)

 

Localization, cobordism, and Chern-Schwartz-MacPherson classes

by Allen Knutson (Cornell University)

 

Non-Hamiltonian actions with minimal fixed points

by Donghoon Jang (Pusan National University)

 

Torus orbit closures in the flag variety

by Mikiya Masuda (Osaka Metropolitan University)

 

Toric structure on X × P^n

by Yunhyung Cho (Sungkyunkwan University)

 

 

Classification of complexity one Hamiltonian torus actions

by Yael Karshon (Tel-Aviv University)