Fisher and Shannon Functionals for Hyperbolic Diffusion.

Entropy (Basel)

Departamento de Física, Facultad de Ingeniería, Universidad Nacional de Mar del Plata (UNMDP), CONICET, Mar del Plata CP 7600, Argentina.

Published: December 2023

The complexity measure for the distribution in space-time of a finite-velocity diffusion process is calculated. Numerical results are presented for the calculation of Fisher's information, Shannon's entropy, and the Cramér-Rao inequality, all of which are associated with a positively normalized solution to the telegrapher's equation. In the framework of hyperbolic diffusion, the Fisher's information with the -parameter is related to the Fisher's information with the -parameter. A perturbation theory is presented to calculate Shannon's entropy of the telegrapher's equation at long times, as well as a toy model to describe the system as an attenuated wave in the ballistic regime (short times).

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10742922PMC
http://dx.doi.org/10.3390/e25121627DOI Listing

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