Black Hole Entropy Associated with Supersymmetric Sigma Model

M. C. B. Abdalla, A. A. Bytsenko, M. E. X. Guimaraes

By means of an identity that equates elliptic genus partition function of a supersymmetric sigma model on the $N$-fold symmetric product $S^{N}X$ of $X$ ($S^{N}X=X^N/S_N$, $S_N$ is t…