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math.AP2026
Neumann problem with a discontinuous nonlinearity
Debajyoti Choudhuri, Dušan D. Repovš, Kamel Saoudi
This study is devoted to proving the existence of weak solutions for a nonlinear elliptic problem with Neumann-type boundary data. The problem is driven by a discontinuous power no…
math.AP2026★ 1 cited
Concentration Phenomena of Normalized Solutions of Critical Biharmonic Equations with Combined Nonlinearities in
Yueqiang Song, Jiaying Ma, Dušan D. Repovš
We prove the multiplicity and concentration of normalized solutions of critical biharmonic equations with combined nonlinearities in \begin{equation*} Δ^{2}u+V(\va…