The brauer group of quotient spaces by linear group actions

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Abstract

It is proved that for a smooth compactification of a quotient space of a linear space by the action of a linear algebraic group, the Artin-Mumford birational invariant is effectively computable in terms of the 2-dimensional group cohomology of examples of groupsfor which the invariant is nontrivial are alsostudied.

Original languageEnglish (US)
Pages (from-to)455-485
Number of pages31
JournalMathematics of the USSR - Izvestija
Volume30
Issue number3
DOIs
StatePublished - Jun 30 1988

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ASJC Scopus subject areas

  • Mathematics(all)

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