On first-passage-time and transition densities for strongly symmetric diffusion processes

A Di Crescenzo, V Giorno, AG Nobile… - Nagoya Mathematical …, 1997 - cambridge.org
One dimensional diffusion processes have been increasingly invoked to model a variety of
biological, physical and engineering systems subject to random fluctuations (cf., for instance …

On the reduction to one dimensional of first–passage–time problems for diffusion processes

A DI CRESCENZO, V Giorno, AG Nobile… - JOURNAL OF …, 1991 - iris.unisa.it
A sufficient condition is given such that the marginal conditional pdf of an n-dimensional
diffusion process (n> 1) originating at an assigned point in the diffusion region reduces to …

On the asymptotic behaviour of first-passage-time densities for one-dimensional diffusion processes and varying boundaries

V Giorno, AG Nobile, LM Ricciardi - Advances in applied probability, 1990 - cambridge.org
Making use of the integral equations given in [1],[2] and [3], the asymptotic behaviour of the
first-passage time (FPT) pdf's through certain time-varying boundaries, including periodic …

On the densities of certain bounded diffusion processes

V Giorno, AG Nobile, LM Ricciardi - Ricerche di matematica, 2011 - Springer
A comprehensive outline is presented for obtaining the Laplace transforms of the transition
probability density functions and of the first-passage-time densities for one-dimensional time …

Some preliminary results on first crossing time densities for two-dimensional diffusion processes

A DI CRESCENZO, V Giorno, AG Nobile… - … and Systems' 90 …, 1990 - iris.unina.it
Some preliminary results on first crossing time densities for two-dimensional diffusion processes
IRIS IRIS Home Sfoglia Macrotipologie & tipologie Autore Titolo Riviste Serie IT Italiano Italiano …

A symmetry-based constructive approach to probability densities for one-dimensional diffusion processes

V Giorno, AG Nobile, LM Ricciardi - Journal of applied probability, 1989 - cambridge.org
Special symmetry conditions on the transition pdf of one-dimensional time-homogeneous
diffusion processes with natural boundaries are investigated and exploited to derive closed …

On a symmetry-based constructive approach to probability densities for two-dimensional diffusion processes

AG Di Crescenzo, V Giorno, AG Nobile… - Journal of applied …, 1995 - cambridge.org
The method earlier introduced for one-dimensional diffusion processes [6] is extended to
obtain closed form expressions for the transition pdf's of two-dimensional diffusion …

Exponential trends of first-passage-time densities for a class of diffusion processes with steady-state distribution

AG Nobile, LM Ricciardi, L Sacerdote - Journal of applied probability, 1985 - cambridge.org
The asymptotic behavior of the first-passage-time pdf through a constant boundary is studied
when the boundary approaches the endpoints of the diffusion interval. We show that for a …

[PDF][PDF] Asymptotics and evaluations of FPT densities through varying boundaries for Gauss-Markov processes

AG Nobile, E Pirozzi, LM Ricciardi - Scientiae Mathematicae Japonicae, 2008 - jams.jp
For Gauss-Markov processes the asymptotic behaviors of the first passage time probability
density functions through certain time-varying boundaries are determined. Computational …

[HTML][HTML] On the first-passage time problem for a Feller-type diffusion process

V Giorno, AG Nobile - Mathematics, 2021 - mdpi.com
We consider the first-passage time problem for the Feller-type diffusion process, having
infinitesimal drift B 1 (x, t)= α (t) x+ β (t) and infinitesimal variance B 2 (x, t)= 2 r (t) x, defined …