Abstract
Rigid algebraic varieties form an important class of complex varieties that exhibit interesting geometric phenomena. In this paper we propose a natural extension of rigidity to complex projective varieties with a finite group action (G-varieties) and focus on the first nontrivial case, namely, on G-rigid surfaces that can be represented as desingularizations of Galois coverings of the projective plane with Galois group G. We obtain local and global G-rigidity criteria for these G-surfaces and present several series of such surfaces that are rigid with respect to the action of the deck transformation group.
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Published in Russian in Trudy Matematicheskogo Instituta imeni V.A. Steklova, 2017, Vol. 298, pp. 144–164.
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Kulikov, V.S., Shustin, E.I. On G-rigid surfaces. Proc. Steklov Inst. Math. 298, 133–151 (2017). https://doi.org/10.1134/S0081543817060116
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DOI: https://doi.org/10.1134/S0081543817060116