no code implementations • 26 Oct 2022 • Pierre-Loïc Méliot, Ashkan Nikeghbali, Gabriele Visentin
We introduce a new numerical approximation method for functionals of factor credit portfolio models based on the theory of mod-$\phi$ convergence and mod-$\phi$ approximation schemes.
1 code implementation • 22 Feb 2022 • Giuseppe Genovese, Ashkan Nikeghbali, Nicola Serra, Gabriele Visentin
We introduce a new portfolio credit risk model based on Restricted Boltzmann Machines (RBMs), which are stochastic neural networks capable of universal approximation of loss distributions.