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paper

Notes on the K3 Surface and the Mathieu group M_24

arXiv:1004.0956 · doi:10.1080/10586458.2011.544585

Abstract

We point out that the elliptic genus of the K3 surface has a natural decomposition in terms of dimensions of irreducible representations of the largest Mathieu group M_24. The reason is yet a mystery.

10 pages. v2: published version