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math.AP2024
A sharp quantitative nonlinear Poincaré inequality on convex domains
Vincenzo Amato, Dorin Bucur, Ilaria Fragalà
For any , we give a new inequality for the first nontrivial Neumann eigenvalue of the -Laplacian on a convex domain wi…
math.SP2024
The geometric size of the fundamental gap
Vincenzo Amato, Dorin Bucur, Ilaria Fragalà
The fundamental gap conjecture proved by Andrews and Clutterbuck in 2011 provides the sharp lower bound for the difference between the first two Dirichlet Laplacian eigenvalues in…