Chen-Ruan cohomology and stringy orbifold K-theory for stable almost complex orbifolds
Chen-Ruan cohomology and stringy orbifold K-theory for stable almost complex orbifolds
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Chen-Ruan上同调和稳定几乎复数轨道折叠的弦轨道K理论
DOI:
10.1007/s11401-020-0231-8
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发表时间:
2020-09
期刊:
影响因子:
--
通讯作者:
Tiyao Li
中科院分区:
文献类型:
--
作者:
Chengyong Du;Tiyao Li
Comparing to the construction of stringy cohomology ring of equivariant stable almost complex manifolds and its relation with the Chen-Ruan cohomology ring of the quotient almost complex orbifolds, the authors construct in this note a Chen-Ruan cohomology ring for a stable almost complex orbifold. The authors show that for a finite group G and a G-equivariant stable almost complex manifold X, the G-invariant part of the stringy cohomology ring of (X,G) is isomorphic to the Chen-Ruan cohomology ring of the global quotient stable almost complex orbifold [X/G]. Similar result holds when G is a torus and the action is locally free. Moreover, for a compact presentable stable almost complex orbifold, they study the stringy orbifold K-theory and its relation with.Chen-Ruan cohomology ring.
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DOI:
10.1090/conm/310/05398
发表时间:
2001-03
期刊:
arXiv: Algebraic Geometry
影响因子:
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2006-05
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