Solution of all quartic matrix models

Harald Grosse, Alexander Hock, Raimar Wulkenhaar

We consider the quartic analogue of the Kontsevich model, which is defined by a measure $\exp (-N\mathrm{Tr}(E\hat{I}{¦}^2+(\hat{I}»/4)\hat{I}{¦}^4))d\hat{I}¦$ on Hermitian $N\times N$-matrices, where…