scientific article

zbMath0535.10018MaRDI QIDQ3318838

Igor V. Dolgachev

Publication date: 1983

Full work available at URL: http://www.numdam.org/item?id=SB_1982-1983__25__251_0

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zbMATH Keywords

surveydiscrete subgroupreflectionssurface singularitiescrystallographic groupdiscriminant formsautomorphisms of algebraic K3-surfacesgroup of motions of the n- dimensional hyperbolic spaceintegral indefinite quadratic formsrepresentations of one form by another

Mathematics Subject Classification ID

Singularities in algebraic geometry (14B05) Intersection theory, characteristic classes, intersection multiplicities in algebraic geometry (14C17) Singularities of surfaces or higher-dimensional varieties (14J17) Discrete subgroups of Lie groups (22E40) Quadratic forms over global rings and fields (11E12) Other geometric groups, including crystallographic groups (20H15) Classical groups (11E57)

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