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Obtain an inverse Laplace transform or prove nonexistence?

Posted 2 years ago

Hi, I am trying to obtain the inverse Laplace transform:

InverseLaplaceTransform[(1 + (-1 + g)*Sqrt[s]*((-3 + g)*Sqrt[s] + 2*(-1 + g)*s^(3/2) + 2*Sqrt[1 + s] - 
    2*(-1 + g)*s*Sqrt[1 + s]))/s,s,t]

where g>0. Mathematica cannot determine it. I have reasons to suspect, however, that the inverse exists and involves exponentially scaled Bessel functions: Exp[-t/2]BesselI[0,t/2] and Exp[-t/2]BesselI[1,t/2] . Is there any way to obtain such a result, or to prove without any doubt (by using Mathematica) that the inverse does not exist?
Leslaw

POSTED BY: Leslaw Bieniasz
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