alexa A Sobolev-Hardy Inequality with¶Applications to a Nonlinear Elliptic Equation¶arising in Astrophysics


Journal of Astrophysics & Aerospace Technology

Author(s): Marino Badiale, Gabriella Tarantello

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In this paper we analyze the existence and non-existence of cylindrical solutions for a nonlinear elliptic equation in ℝ3, which has been proposed as a model for the dynamics of galaxies. We prove a general integral inequality of Sobolev-Hardy type that allows us to use variational methods when the power p belongs to the interval [4, 6]. We find solutions in the range 4 < p≤ 6. The value p= 4 seems to have characteristics similar to those of the critical Sobolev exponent p= 6.

This article was published in Archive for Rational Mechanics and Analysis and referenced in Journal of Astrophysics & Aerospace Technology

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