paper

Concentration behavior of normalized ground states for mass critical Kirchhoff equations in bounded domains

arXiv:2409.05130 · doi:10.1017/prm.2025.10081

Abstract

In present paper, we study the limit behavior of normalized ground states for the following mass critical Kirchhoff equation $$ \left\{\begin{array}{ll} -(a+b\int_Ω|\nabla u|^2\mathrm{d}x)Δu+V(x)u=μu+β^*|u|^{\frac{8}{3}}u &\mbox{in}\ Ω, \\[0.1cm] u=0&\mbox{on}\ {\partialΩ}, \\[0.1cm] \int_Ω|u|^2\mathrm{d}x=1, \\[0.1cm] \end{array} \right. $$ where , , the function is a trapping potential in a bounded domain , and is the unique positive radially symmetric solution of equation We consider the existence of constraint minimizers for the associated energy functional involving the parameter . The minimizer corresponds to the normalized ground state of above problem, and it exists if and only if . Moreover, when attains its flattest global minimum at an inner point or only at the boundary of , we analyze the fine limit profiles of the minimizers as , including mass concentration at an inner point or near the boundary of . In particular, we further establish the local uniqueness of the minimizer if it is concentrated at a unique inner point.

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