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  periodic solutions of radially symmetric systems with a singular      

Boundary Value Problems 2013:110

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Periodic solutions of radially symmetric systems with a singularity
S Li, F Liao, J Sun - Boundary Value Problems, 2013 - Springer
Abstract In this paper, we study the existence of infinitely many periodic solutions to planar radially
symmetric systems with certain strong repulsive singularities near the origin and with some semilinear
growth near infinity. The proof of the main result relies on topological degree theory. ...
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±êÌâ: Periodic solutions of singular radially symmetric systems with superlinear growth
×÷Õß: Fonda, Alessandro; Toader, Rodica; Zanolin, Fabio
À´Ô´³ö°æÎï: ANNALI DI MATEMATICA PURA ED APPLICATA  ¾í: 191   ÆÚ: 2   Ò³: 181-204   DOI: 10.1007/s10231-010-0178-6   ³ö°æÄê: MAY 2012


       
±êÌâ: Periodic Orbits of Radially Symmetric Systems with a Singularity: the Repulsive Case
×÷Õß: Fonda, Alessandro; Toader, Rodica
À´Ô´³ö°æÎï: ADVANCED NONLINEAR STUDIES  ¾í: 11   ÆÚ: 4   Ò³: 853-874   ³ö°æÄê: NOV 2011
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±êÌâ: Radially symmetric systems with a singularity and asymptotically linear growth
×÷Õß: Fonda, Alessandro; Toader, Rodica
À´Ô´³ö°æÎï: NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS  ¾í: 74   ÆÚ: 7   Ò³: 2485-2496   DOI: 10.1016/j.na.2010.12.004   ³ö°æÄê: APR 1 2011
±»ÒýƵ´Î: 7 (À´×ÔËùÓÐÊý¾Ý¿â)


       
±êÌâ: Periodic orbits of radially symmetric Keplerian-like systems: A topological degree approach
×÷Õß: Fonda, Alessandro; Toader, Rodica
À´Ô´³ö°æÎï: JOURNAL OF DIFFERENTIAL EQUATIONS  ¾í: 244   ÆÚ: 12   Ò³: 3235-3264   DOI: 10.1016/j.jde.2007.11.005   ³ö°æÄê: JUN 15 2008
±»ÒýƵ´Î: 15 (À´×ÔËùÓÐÊý¾Ý¿â)
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