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We consider the fractional in time acoustic wave equation
where 1<α<2,
is the Caputo fractional derivative of order α, u=u(t,x), t>0,
, is the pressure in the medium, ε is the nonlinear acoustic parameter, ρ0 is the equilibrium density in the medium, and c0 is the equilibrium sound velocity. We study a Cauchy problem for this equation and a mixed boundary value problem in a bounded...
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