Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 2023; 60(4): 779-797

Online first article June 8, 2023      Printed July 1, 2023

https://doi.org/10.4134/JKMS.j220258

Copyright © The Korean Mathematical Society.

Computations and conservativeness of traces of one-dimensional diffusions

Ali BENAMOR, Rafed MOUSSA

University of Sousse; University of Carthage

Abstract

We compute explicitly traces of one-dimensional diffusion processes. The obtained trace forms can be regarded as Dirichlet forms on graphs. Then we discuss conditions ensuring the trace forms to be conservative. Finally, the obtained results are applied to the Bessel process of order $\nu$.

Keywords: Dirichlet forms, conservativeness, diffusion processes

MSC numbers: Primary 31C25, 46C07, 47D07, 60J50