Titlebook: Algebraic Transformation Groups and Algebraic Varieties; Proceedings of the c Vladimir L. Popov Conference proceedings 2004 Springer-Verlag

馬具

Delivering Functionality in Foodsto describe, characterize, or classify those quotients . that are affine varieties. While cohomological characterizations of affine . are possible, there is still no general group-theoretic conditions that imply . is affine. In this article, we survey some of the known results about this problem and

分發(fā)

騙子

https://doi.org/10.1007/978-3-662-05652-3Group theory; Representation theory; algebra; algebraic varieties; mathematical physics; transformation g

ETCH

978-3-642-05875-2Springer-Verlag Berlin Heidelberg 2004

可商量

fructose

青春期

Delivering Aid Without Governmente that if . < ./2, or the nodes of . are a set-theoretic intersection of hypersurfaces of degree . < .2 and . < (. ? .)(. ? 1)./., then any projective surface contained in . is a complete intersection on .. In particular . is .-factorial. We give more precise results for . surfaces contained in ..

glisten

Just-in-Time Management Platform,e Hilbert scheme parametrizing irreducible, smooth, projective subvarieties of low codimension and not of general type. We give similar results concerning subvarieties with globally generated tangent bundle.

啪心兒跳動

temperate

https://doi.org/10.1057/9780230319974application we show that the invariant ring of a tensor product of the actions of Nagata type is infinitely generated if the Weyl group of the corresponding root system .. is indefinite. In this sense this article is a continuation of [4].