Matrix model for the total descendant potential of a simple singularity of type $D$

Abstract

We construct a Hermitian matrix model for the total descendant potential of a simple singularity of type D similar to the Kontsevich matrix model for the generating function of intersection numbers on the Deligne--Mumford moduli spaces ${\overline{\mathcal{M}}}_{g,n}$.

arXiv comment45 pages

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