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Radially Symmetric Solutions of

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  • William C. Troy
  • Edward P. Krisner

Abstract

We investigate solutions of and focus on the regime and . Our advance is to develop a technique to efficiently classify the behavior of solutions on , their maximal positive interval of existence. Our approach is to transform the nonautonomous equation into an autonomous ODE. This reduces the problem to analyzing the phase plane of the autonomous equation. We prove the existence of new families of solutions of the equation and describe their asymptotic behavior. In the subcritical case there is a well-known closed-form singular solution, , such that as and as . Our advance is to prove the existence of a family of solutions of the subcritical case which satisfies for infinitely many values . At the critical value there is a continuum of positive singular solutions, and a continuum of sign changing singular solutions. In the supercritical regime we prove the existence of a family of “super singular” sign changing singular solutions.

Suggested Citation

  • William C. Troy & Edward P. Krisner, 2012. "Radially Symmetric Solutions of," International Journal of Differential Equations, Hindawi, vol. 2012, pages 1-34, October.
    • Handle: RePEc:hin:jnijde:296591
    DOI: 10.1155/2012/296591
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