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JOURNALS // Matematicheskie Zametki // Archive
Mat. Zametki, 2004 Volume 76, Issue 2, Pages 205–215 (Mi mzm100)
The Nikulin Congruence for Four-Dimensional $M$-Varieties

V. A. Krasnov

P. G. Demidov Yaroslavl State University

Abstract: For real four-dimensional algebraic $M$-varieties, a congruence for the Euler characteristic of the real locus, which is an analog of the Nikulin congruence of the Euler characteristic of an $M$-surface, is proved.

UDC: 512.7

Received: 25.02.2003

DOI: 10.4213/mzm100


 English version: Mathematical Notes, 2004, 76:2, 191–199

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© Steklov Math. Inst. of RAS, 2025