In this paper, we consider an initial-boundary value problem for the equations of a fluid spherical model of neutron star considered by Lattimer et al. We establish the global existence and regularity of the spherically symmetric solutions in H-i (i = 1, 2, 4) of this fluid model. These results improve and generalize the results of Ducomet and Necasova (Ann. Univ. Ferrara 55(1):153-193, 2009).
机构:
Univ Roma Tor Vergata, Dipartimento Matemat, Via Ric Sci 1, I-00193 Rome, ItalyUniv Roma Tor Vergata, Dipartimento Matemat, Via Ric Sci 1, I-00193 Rome, Italy
Bianchini, Roberta
Natalini, Roberto
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机构:
CNR, Ist Applicaz Calcolo M Picone, Via Taurini 19, I-00181 Rome, ItalyUniv Roma Tor Vergata, Dipartimento Matemat, Via Ric Sci 1, I-00193 Rome, Italy