Torus Actions and Cohomology
Torus Actions and Cohomology
复制标题
环面作用和上同调
DOI:
10.1007/978-3-662-05071-2_2
复制
发表时间:
2002
期刊:
影响因子:
--
通讯作者:
J. Carrell
中科院分区:
文献类型:
--
作者:
J. Carrell
Whenever one studies an algebraic varietyXon which an algebraic groupGacts, one of the natural questions is which geometric quantites are preserved by the action, i.e. what are the geometric invariants? For example, one may want to know theG-invariant open sets, theG-invariant divisors or, possibly, theG-invariant points, that is, theG-fixed points. IfGis an algebraic torus, its geometric invariants are often very rich, especially ifXis projective. In particular, an algebraic torus acting on a projective variety always has fixed points. Therefore, one of the most fruitful techniques for studying a generalG-action is to consider the induced action of an algebraic subtorus.
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
T. Kobayashi;T. Oshima
通讯作者:
T. Oshima
DOI:
--
发表时间:
2022
期刊:
影响因子:
--
作者:
Higashitani Akihiro;Tran Tan Nhat;Yoshinaga Masahiko;淺原雅浩;東田全央;Akihiro Higashitani
通讯作者:
Akihiro Higashitani