A note on the group extension problem to semi-universal deformation

The aim of this note is twofold. Firstly, we explain in detail Remark 4.1 in Doan (2020) by showing that the action of the automorphism group of the second Hirzebruch surface F2 on itself extends to its formal semi-universal deformation only up to the first order. Secondly, we show that for reductiv...

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Vydané v:	Indagationes mathematicae Ročník 35; číslo 2; s. 240 - 246
Hlavný autor:	Doan, An-Khuong
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier B.V 01.03.2024
Predmet:	Deformation theory Equivariance structure Kuranishi family Moduli theory Kuranishi family Equivariance structure Deformation theory Moduli theory
ISSN:	0019-3577, 1872-6100
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