Thursday, December 27, 2012

1212.6096 (E. Brezin et al.)

The intersection numbers of the p-spin curves from random matrix theory    [PDF]

E. Brezin, S. Hikami
The intersection numbers of p-spin curves are computed through correlation functions of Gaussian ensembles of random matrices in an external matrix source. The p-dependence of intersection numbers is determined as polynomial in p; the large p behavior is also considered. The analytic continuation of intersection numbers to negative values of p is discussed in relation to SL(2,R)/U(1) black hole sigma model.
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