Condensation and non-condensation times for 4-wave kinetic equations
Abstract
Inspired by the pioneering work of Escobedo and Velazquez EscobedoVelazquez:2015:FTB,EscobedoVelazquez:2015:OTT, we prove that solutions of 4-wave kinetic equations, under very general forms of dispersion relations, develop condensation at the origin in finite time, under weaker conditions on the initial data than the ones considered in EscobedoVelazquez:2015:FTB,EscobedoVelazquez:2015:OTT. We also provide some estimates on the non-condensation times of the solutions.
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