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On self-adjoint domains of 2-nd order differential operators in limit-circle case

โœ Scribed by Cao Zhijiang


Book ID
110557601
Publisher
Institute of Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society
Year
1985
Tongue
English
Weight
280 KB
Volume
1
Category
Article
ISSN
1439-7617

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Essential spectra of singular matrix dif
โœ Jiangang Qi; Shaozhu Chen ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 157 KB

## Abstract The present paper is concerned with the essential spectrum of the singular matrix differential operator of mixed order over the interval (__a__, __b__), where __D__ = __d__/__dt__. It is shown that if the coefficients are locally integrable functions and __T__ is in the limit circle ca