Hurwitz-Hodge integrals, the E6 and D4 root systems, and the Crepant Resolution Conjecture
Hurwitz-Hodge integrals, the E6 and D4 root systems, and the Crepant Resolution Conjecture
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Hurwitz-Hodge 积分、E6 和 D4 根系统以及 Crepant 消解猜想
DOI:
10.1016/j.aim.2009.02.004
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发表时间:
2007
影响因子:
1.7
通讯作者:
A. Gholampour
中科院分区:
文献类型:
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作者:
J. Bryan;A. Gholampour
Let G be the group A4or Z2×Z2. We compute the integral of λgon the Hurwitz locus H¯G⊂M¯gof curves admitting a degree 4 cover of P1having monodromy group G. We compute the generating functions for these integrals and write them as a trigonometric expression summed over the positive roots of the E6and D4root systems, respectively. As an application, we prove the Crepant Resolution Conjecture for the orbifolds [C3/A4] and [C3/(Z2×Z2)].
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