Multiplicity free U(2)-actions and triangles

2022/08/03 by Oliver Goertsches, Goertsches, Oliver, Bart Van Steirteghem +3
Mathematics · #14M27 #53D20 #Algebraic Geometry (math.AG) #FOS: Mathematics #Geometric Analysis and Curvature Flows #Geometric and Algebraic Topology #Geometry and complex manifolds #Symplectic Geometry (math.SG)

paper · pdf · doi:10.48550/arxiv.2208.02099

openalex publication_date 2022/08/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We classify the compact, connected multiplicity free Hamiltonian U(2)-manifolds with trivial principal isotropy group whose momentum polytope is a triangle.

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