On the structure of the resolvent of a singularly perturbed operator that solves an eigenvalue problem
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Publication:5692048
DOI10.1007/S11253-005-0133-7zbMATH Open1083.47506OpenAlexW2159668624MaRDI QIDQ5692048
G. V. Tugaĭ, Volodymyr Koshmanenko
Publication date: 27 September 2005
Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s11253-005-0133-7
Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)
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