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JOURNALS // Funktsional'nyi Analiz i ego Prilozheniya // Archive

Funktsional. Anal. i Prilozhen., 2017 Volume 51, Issue 4, Pages 3–15 (Mi faa3482)

This article is cited in 1 paper

Logarithmic differential forms on varieties with singularities

A. G. Aleksandrov

Institute of Control Sciences, Russian Academy of Sciences, Moscow, Russia

Abstract: In the article we introduce the notion of logarithmic differential forms with poles along a Cartier divisor given on a variety with singularities, discuss some properties of such forms, and describe highly efficient methods for computing the Poincaré series and generators of modules of logarithmic differential forms in various situations. We also examine several concrete examples by applying these methods to the study of divisors on varieties with singularities of many types, including quasi-homogeneous complete intersections, normal, determinantal, and rigid varieties, and so on.

Keywords: logarithmic differential forms, de Rham lemma, normal varieties, Poincaré series, complete intersections, determinantal singularities, fans, rigid singularities.

UDC: 515.17

Received: 23.03.2016
Revised: 10.04.2017
Accepted: 24.01.2017

DOI: 10.4213/faa3482


 English version:
Functional Analysis and Its Applications, 2017, 51:4, 245–254

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