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- W2950339760 abstract "In this paper we prove existence of least energy nodal solutions for the Hamiltonian elliptic system with H'enon-type weights [ -Delta u = |x|^{beta} |v|^{q-1}v, quad -Delta v =|x|^{alpha}|u|^{p-1}uquad { in } Omega, qquad u=v=0 { on } partial Omega, ] where $Omega$ is a bounded smooth domain in $mathbb{R}^N$, $Ngeq 1$, $alpha, beta geq 0$ and the nonlinearities are superlinear and subcritical, namely [ 1> frac{1}{p+1}+frac{1}{q+1}> frac{N-2}{N}. ] When $Omega$ is either a ball or an annulus centred at the origin and $N geq 2$, we show that these solutions display the so-called foliated Schwarz symmetry. It is natural to conjecture that these solutions are not radially symmetric. We provide such a symmetry breaking in a range of parameters where the solutions of the system behave like the solutions of a single equation. Our results on the above system are new even in the case of the Lane-Emden system (i.e. without weights). As far as we know, this is the first paper that contains results about least energy nodal solutions for strongly coupled elliptic systems and their symmetry properties." @default.
- W2950339760 created "2019-06-27" @default.
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- W2950339760 date "2014-09-19" @default.
- W2950339760 modified "2023-09-27" @default.
- W2950339760 title "Existence and symmetry of least energy nodal solutions for Hamiltonian elliptic systems" @default.
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