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On automorphisms of Enriques surfaces

โœ Scribed by I. Dolgachev


Publisher
Springer-Verlag
Year
1984
Tongue
English
Weight
843 KB
Volume
76
Category
Article
ISSN
0020-9910

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R&urn& We introduce a new invariant, Pontryagin-Viro form, of real algebraic surfaces. We evaluate it for real Enriques surfaces with non-negative minimal Euler characteristic of the components of the real part and prove that, when combined with the known topological invariants. it distinguishes the