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Journal of Inverse and Ill-posed Problems

Editor-in-Chief: Kabanikhin, Sergey I.

6 Issues per year

IMPACT FACTOR increased in 2015: 0.987
Rank 59 out of 312 in category Mathematics and 93 out of 254 in Applied Mathematics in the 2015 Thomson Reuters Journal Citation Report/Science Edition

SCImago Journal Rank (SJR) 2015: 0.583
Source Normalized Impact per Paper (SNIP) 2015: 1.106
Impact per Publication (IPP) 2015: 0.712

Mathematical Citation Quotient (MCQ) 2015: 0.43

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An inverse spectral problem for differential systems on the half-line with multiplied roots of the characteristic polynomial

V. Yurko
  • Department of Mathematics, Saratov State University, Astrakhanskaya 83, Saratov, 410026, Russia. E-mail:

An inverse problem of spectral analysis is studied for non-selfadjoint singular systems of ordinary differential equations on the half-line in the case of multiplied roots of the characteristic polynomial. We give a formulation of the inverse problem, study properties of spectral characteristics, and prove the uniqueness theorem for the solution of the inverse problem.

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Published in Print: 2005-10-01

Citation Information: Journal of Inverse and Ill-posed Problems jiip. Volume 13, Issue 5, Pages 503–512, ISSN (Online) 1569-3953, ISSN (Print) 0928-0219, DOI: https://doi.org/10.1515/156939405775297425,

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W. Ning
Journal of Inverse and Ill-posed Problems, 2009, Volume 17, Number 3

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