Yaping Yuan, Jiong Sun, Anton Zettl
Abstract: Submitted July 28, 2017. Published October 19, 2017.
Math Subject Classifications: 34B20, 34B24, 47B25.
Key Words: Periodic coefficients; eigenvalue inequalities and equalities.
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Yaping Yuan School of Mathematical Sciences Inner Mongolia University Hohhot, China email: yaping_yyp@qq.com | |
Jiong Sun School of Mathematical Sciences Inner Mongolia University Hohhot, China email: 272454707@qq.com | |
Anton Zettl Mathematics Deparment Northern Illinois University DeKalb, IL, USA email: zettl@msn.com |
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