We study the inhomogeneous nonlinear Schrödinger equation in the ‐critical case ( ): We establish a detailed analysis of solutions as the initial data approaches the unstable ground state , which satisfies the stationary equation . The results provide information about singularity formation of the blow‐up solutions and about large‐time asymptotic behavior of the global solutions.
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Wang et al. (2024) studied this question.
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