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arXiv 1012.5672math.APmath.DG
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流形上奇摄动nonlinear elliptic问题的正解及其莫尔斯理论

Positive solutions for singularly perturbed nonlinear elliptic problem on manifolds via Morse theory

Marco G. Ghimenti, Anna Maria Micheletti

摘要:

给定(M,g 0),我们考虑问题-ε^2 Delta_{g0+h} u + u =(u+)^{p-1},其中(ε,h)\in(0,ε0)\times Bρ.这里Bρ是M上所有Ck对称协变2-张量的巴拿赫空间中的一个以0为中心半径为ρ的球。利用M的Poincaré多项式,对(ε0,ρ)足够小时,给出了(ε,h)属于(0,ε0)\times Bρ的剩余子集的具有低能量的非常数解的个数的估计.

英文摘要:

Given (M, g0) we consider the problem -ε^2Delta_{g0+h}u + u = (u+)^{p-1} with (ε, h) \in (0, ε0) \times Bρ. Here Bρ is a ball centered at 0 with radius ρ in the Banach space of all Ck symmetric covariant 2-tensors on M. Using the Poincaré polynomial of M, we give an estimate on the number of nonconstant solutions with low energy for (ε, h) belonging to a residual subset of (0, ε0) \times Bρ, for (ε0, ρ) small enough.

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