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A geometric lower bound on Grad's number
Published online by Cambridge University Press: 26 April 2008
Abstract
In this note we provide a new geometric lower bound on the so-called Grad's number of a domain Ω in terms of how far Ω is from being axisymmetric. Such an estimate is important in the study of the trend to equilibrium for the Boltzmann equation for dilute gases.
Keywords
- Type
- Research Article
- Information
- ESAIM: Control, Optimisation and Calculus of Variations , Volume 15 , Issue 3 , July 2009 , pp. 569 - 575
- Copyright
- © EDP Sciences, SMAI, 2008
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