It is shown that the collisional gain operator for a Maxwell gas does not increase the Fisher information. Our proof is a variant of the one given by Villani, but it is shorter and based on Fourier techniques rather than direct estimates. The method we use also applies to general (non-symmetric) Wild convolutions.
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Titolo: | Variation over a theme by Bobylev and Villani |
Autori: | |
Data di pubblicazione: | 2012 |
Rivista: | |
Abstract: | It is shown that the collisional gain operator for a Maxwell gas does not increase the Fisher information. Our proof is a variant of the one given by Villani, but it is shorter and based on Fourier techniques rather than direct estimates. The method we use also applies to general (non-symmetric) Wild convolutions. |
Handle: | http://hdl.handle.net/11571/333325 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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