Abstract and keywords
Abstract (English):
The estimates of eigenvalues for differential operator two order with matrix potential are considered.

Keywords:
eigenvalue, the method of similar operators, perturbed linear operator
References

1. Veliev, O.A. O nesamosopryazhennykh operatorakh Shturma- Liuvillya s matrichnymi potentsialami / O.A. Veliev. Mateem. Zametki. 2007. T. 81, vyp. 4. S. 496-506.

2. Baskakov, A.G. Garmonicheskiy analiz lineynykh operatorov. Uchebnoe posobie / A.G.Baskakov. Voronezh: Izd-vo Voron. Un-ta, 1987. 167 s.

3. Uskova, N.B. Ob otsenkakh spektral´nykh proektorov vozmushchennykh samosopryazhennykh operatorov / N.B.Uskova. Sib. mat. zhurn. 2000. T. 41 ( №3 ). S. 712-721.

4. Baskakov, A.G. Teorema o rasshcheplenii i nekotorye smezhnye voprosy analiticheskoy teorii vozmushcheniy / A.G.Baskakov. Izv. akad. nauk SSSR. Ser. matem. 1986. T. 50 ( № 3). S. 435-437.


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