Crepant Resolutions of Cn/A1(n) and Flops of n-Folds for n = 4,5
Li Chiang, Shi-shyr Roan
Abstract
In this article, we determine the explicit toric variety structure of A1(n)(n) for n=4,5, where A1(n) is the special diagonal group of all order 2 elements. Through the toric data of A1(n)(n), we obtain certain toric crepant resolutions of n/A1(n), and the different crepant resolutions are connected by flops of n-folds for n=4,5.
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