Author

Xiaomei Sun

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Preprint Sep 2026

The Faber-Krahn inequality for $p$-Hermite operators

We prove a Faber-Krahn inequality for the first eigenvalue of the $p$-Hermite operator (the weighted $p$-Laplacian with Gaussian weight) on Lipschitz domains in $\R^n$ under Robin boundary conditions with positive Robin parameter. The main result states that, among all domains of given Gaussian measure, the first eigen...

Xiaomei Sun, Kui Wang, An-Qiang Zhu · 0 citations

Preprint Aug 2026

An isoperimetric inequality for Neumann eigenvalues with radial log-concave measures

We prove a sharp isoperimetric inequality for the harmonic mean of the first $n$ nonzero Neumann eigenvalues of the Witten-Laplacian on origin-symmetric Lipschitz domains in space forms, endowed with radial log-concave measures. The main novelty is that we establish the sharp harmonic mean inequality under general radi...

Kui Wang, Xiaomei Sun, An-Qiang Zhu · 0 citations