The Picard Group of a G-Variety
Friedrich Knop, Hanspeter Kraft, Thierry Vust
Abstract
Friedrich Knop, Hanspeter Kraft, Thierry Vust
Abstract
Let G be a reductive algebraic group and X an algebraic G-variety which admits a quotient it: X → X//G. In this article we describe several results concerning the Picard group Pic(X//G) of the quotient and the group Picc(X) of G-line bundles on X. For some further development of the subject we refer to the survey articles [Kr89a], [Kr89b].
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Let G be a reductive algebraic group and X an algebraic G-variety which admits a quotient it: X → X//G. In this article we describe several results concerning the Picard group Pic(X//G) of the quotient and the group Picc(X) of G-line bundles on X. For some further development of the subject we refer to the survey articles [Kr89a], [Kr89b].
Key concepts: Quotient, Algebraic group, Mathematics, Picard group, Variety (cybernetics), Group (periodic table), Reductive group, Pure mathematics