ON THE FIRST AND SECOND EIGENVALUES OF SCHRODINGER OPERATOR
Citation：
Yu Qihuang.ON THE FIRST AND SECOND EIGENVALUES OF SCHRODINGER OPERATOR[J].Chinese Annals of Mathematics B,1993,14(1):85~92
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Authors：
Yu Qihuang;
Abstract：
The above boundary of the gap between the 2nd and 1st eigenvalues of Schrodinger operator and the above boundary of the ratio of the 2nd and 1st eigenvalues of Laplace operator are given.
