Abstract
[8] is a deep study in the sharp lower bound estimate of the gap for the first two eigenvalues in Schrödinger operator on a smooth bounded convex domain in $\mathbb{R}^n$. In this paper we give another simple proof of the main result in [8]. Although the methods used in here due to [8] on the whole, to some extent we deal with the singularity of some function and also simplify greatly calculation in [8].
Citation
Yue He. "ON SHARP LOWER BOUND OF THE GAP FOR THE FIRST TWO EIGENVALUES IN THE SCHRÖDINGER OPERATOR." Taiwanese J. Math. 17 (1) 1 - 13, 2013. https://doi.org/10.11650/tjm.17.2013.1954
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