Equivariant Morse Theory for the Norm-Square of a Moment Map on a Variety

DOI10.1093/imrn/rnx286zbMath1470.58013arXiv1702.05223OpenAlexW2962846912MaRDI QIDQ5855173

Graeme Wilkin

Publication date: 15 March 2021

Published in: International Mathematics Research Notices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1702.05223

zbMATH Keywords

gradient flowspace of representationsaffine varietysingular spacesdeformation retractionfinite quiver

Mathematics Subject Classification ID

Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Momentum maps; symplectic reduction (53D20) Applications of vector bundles and moduli spaces in mathematical physics (twistor theory, instantons, quantum field theory) (14D21) Algebraic topology on manifolds and differential topology (57R19)

Related Items (1)

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

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