Integral equations for even parity perturbations of hot perfect fluid nonrotating neutron stars

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Abstract
In the present paper, in the framework of the linearized Einstein equations, systems of two integral equations are set up, which describe coupled sound and gravitational waves associated with small perturbations of hot nonrotating neutron stars made of a perfect fluid. Suitable majorizations are given for the successive iterations in view of obtaining the asymptotic distribution of large eigenfrequencies.