Drazin inverses and their modern generalisations constitute a pivotal area of operator theory within Banach algebras. These inverse concepts extend the classic notion of the matrix inverse to settings ...

We call a right-continuous increasing process $K_{x}$ a partial right inverse (PRI) of a given Lévy process X if $X_{K_{x}}=x$ for at least all x in some random ...

This is a preview. Log in through your library . Abstract In some problems in numerical analysis one is faced with solving a linear system of equations in which the matrix of the linear system is ...

THE object of the authors of this volume of mathematical tables is “to supply a comprehensive set of tables of the numerical values of the elementary functions which are in constant use in mathematics ...