Let G be a simple graph with n vertices and m edges.In this paper,we present some new upper bounds for the adjacency and the signless Laplacian spectral radius
Logarithmic general error distribution is an extension of lognormal distribution. In this paper, with optimal norming constants the higher-order expansion of di
This paper proposes and makes a study of a new model(called the 3/2 plus jumps model)for VIX option pricing.The model allows the mean-reversion speed and volati