A Local Index Formula for the Quantum Sphere

A Local Index Formula for the Quantum Sphere
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量子球的局部指数公式

DOI:
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发表时间:
2003
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影响因子:
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通讯作者:
L. Tuset
L. Tuset
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文献类型:
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作者:
S. Neshveyev;L. Tuset

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对于标准量子球上的Dirac算子D,我们得到了SUq(2)-等变整循环上圈的渐近展开式,当在元素上求值时,它对应于。这个展开式的常数项是一个扭曲的循环上圈,它在标量上与体积形式一致,并计算了量子和经典的Fredholm指数。
For the Dirac operator D on the standard quantum sphere we obtain an asymptotic expansion of the SUq(2)-equivariant entire cyclic cocycle corresponding to when evaluated on the element The constant term of this expansion is a twisted cyclic cocycle which up to a scalar coincides with the volume form and computes the quantum as well as the classical Fredholm indices.