This is a preview. Log in through your library . Abstract A distribution G on (0, ∞) is called matrix-exponential if the density has the form $\boldsymbol{\alpha}\mathbf{\mathit{e}}^{{\bf T}z}$ s ...

Matrix functions, such as the exponential, square root and cosine, play an indispensable role in various fields including quantum mechanics, control theory and numerical solution of differential ...

In this paper we consider optimal stopping problems for a general class of reward functions under matrix-exponential jump-diffusion processes. Given an American call-type reward function in this class ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...