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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb. (N.S.), 1982 Volume 117(159), Number 1, Pages 3–31 (Mi sm1859)

This article is cited in 10 papers

Normal forms of one-dimensional quasihomogeneous complete intersections

A. G. Aleksandrov


Abstract: In this paper the author presents an approach to the problem of classifying quasihomogeneous singularities, based on the use of simple properties of deformation theories of such singularities. By means of Grothendieck local duality the Poincaré series of the space of the first cotangent functor $T^1$ of a one-dimensional singularity is computed. Lists of normal forms and monomial bases of the spaces of $T^1$ are given for one-dimensional quasihomogeneous complete intersections with inner modality 0 and 1, and also with Milnor number less than seventeen. An adjacency diagram is constructed for all singularities that have been found.
Bibliography: 33 titles.

UDC: 516.5/9+517.5+519.9

MSC: Primary 32B30; Secondary 14B05, 32C40, 32C36, 32G11, 14B07, 14M10

Received: 29.01.1981


 English version:
Mathematics of the USSR-Sbornik, 1983, 45:1, 1–30

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