Global existence of solutions for semilinear wave equations in Friedmann-Lemaître-Robertson-Walker spacetime

Published 26 Jun 2021 in math.AP | (2106.14023v1)

Abstract: We consider the nonlinear massless wave equation belonging to some family of the Friedmann-Lema^itre-Robertson-Walker (FLRW) spacetime. We prove the global in time small data solutions for supercritical powers in the case of decelerating expansion universe.

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