Multiplicity free U(2)-actions and triangles
Symplectic Geometry
2023-08-28 v2 Algebraic Geometry
Abstract
We classify the compact, connected multiplicity free Hamiltonian U(2)-manifolds with trivial principal isotropy group whose momentum polytope is a triangle.
Cite
@article{arxiv.2208.02099,
title = {Multiplicity free U(2)-actions and triangles},
author = {Oliver Goertsches and Bart Van Steirteghem and Nikolas Wardenski},
journal= {arXiv preprint arXiv:2208.02099},
year = {2023}
}
Comments
v1: 26 pages. v2: 34 pages, added section on invariant complex structures, improved exposition