most citedOn the initial value problem for the wave equation in Friedmann -- Robertson -- Walker space-times

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math-ph2014★ 17 cited

On the initial value problem for the wave equation in Friedmann -- Robertson -- Walker space-times

Bilal Abbasi, Walter Craig

We study the wave propagator for a Friedmann - Robertson - Walker background space-time, which is singular at time t=0. Using a spherical means formulation for the solution of the…