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.
Keywords:
automorphisms of algebraic surfaces, G-rigid surfaces, projectively rigid plane curves, dualizing coverings of the projective plane.
The work presented in Section 4 was performed by Vik. S. Kulikov in the Steklov Mathematical Institute of Russian Academy of Sciences and supported by the Russian Science Foundation under grant 14-50-00005. E. I. Shustin was supported by the German–Israeli Foundation for Scientific Research and Development (project no. 1174-197.6/2011) and by the Israel Science Foundation (project no. 176/15).
Citation:
Vik. S. Kulikov, E. I. Shustin, “On G-Rigid Surfaces”, Complex analysis and its applications, Collected papers. On the occasion of the centenary of the birth of Boris Vladimirovich Shabat, 85th anniversary of the birth of Anatoliy Georgievich Vitushkin, and 85th anniversary of the birth of Andrei Aleksandrovich Gonchar, Trudy Mat. Inst. Steklova, 298, MAIK Nauka/Interperiodica, Moscow, 2017, 144–164; Proc. Steklov Inst. Math., 298 (2017), 133–151
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\paper On $G$-Rigid Surfaces
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\bookinfo Collected papers. On the occasion of the centenary of the birth of Boris Vladimirovich Shabat, 85th anniversary of the birth of Anatoliy Georgievich Vitushkin, and 85th anniversary of the birth of Andrei Aleksandrovich Gonchar
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This publication is cited in the following 6 articles:
Vik. S. Kulikov, “On the local fundamental group of the complement of a curve in a normal surface”, Izv. Math., 87:3 (2023), 562–585
Vik. S. Kulikov, “Rigid germs of finite morphisms of smooth surfaces and rational Belyi pairs”, Sb. Math., 212:9 (2021), 1304–1328
Vik. S. Kulikov, “On the variety of the inflection points of plane cubic curves”, Izv. Math., 83:4 (2019), 770–795
Vik. S. Kulikov, “On divisors of small canonical degree on Godeaux surfaces”, Sb. Math., 209:8 (2018), 1155–1163
V. L. Popov, “Compressible finite groups of birational automorphisms”, Dokl. Math., 98:2 (2018), 413–415
V. L. Popov, “The Jordan Property for Lie Groups
and Automorphism Groups of Complex Spaces”, Math. Notes, 103:5 (2018), 811–819