Kirwan surjectivity and Lefschetz-Sommese theorems for a generalized hyperkähler reduction

DOI10.1007/s10711-023-00831-wzbMath1529.53075arXiv2305.15651MaRDI QIDQ6093591

Jonathan M. Fisher, Lisa C. Jeffrey, Steven Rayan, Alessandro Malusà

Publication date: 7 September 2023

Published in: Geometriae Dedicata (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2305.15651

zbMATH Keywords

Morse-Bott theoryKirwan surjectivitygeneralized hyper-Kähler reductionLefschetz-Sommese theoremsemi-linear group actiontrihamiltonian torus action

Mathematics Subject Classification ID

Equivariant algebraic topology of manifolds (57R91) Hyper-Kähler and quaternionic Kähler geometry, ``special geometry (53C26) Momentum maps; symplectic reduction (53D20)

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