N. Jacob

activity

20062019

most citedA geometric interpretation of the transition density of a symmetric Lévy Process

7 citations · 8 across the 5 of their papers we have counts for

collaborators

Showing math.FAShow all

2 papers · 1 filter

math.FA2019

On Adjoint Additive Processes

Kristian P. Evans, Niels Jacob

Starting with an additive process $(Y_{t})_{t \geq 0}$ , it is in certain cases possible to construct an adjoint process $(X_{t})_{t \geq 0}$ which is itself additive. Moreover, assuming th…

math.FA2006

Feller Semigroups Obtained by Variable Order Subordination

Kristian P. Evans, Niels Jacob

For certain classes of negative definite symbols $q (x, ξ)$ and state space dependent Bernstein function $f (x, s)$ we prove that $- p (x, D)$ , the pseudo-differential operator with symbo…