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Kh. K. Ishkin

Observed names: Kh. Ishkin, Kh.K. Ishkin, Khabir Ishkin, Khabir Kabirovich Ishkin, Ишкин Хабир Кабирович, Х. К. Ишкин, Х.К. Ишкин, Хабир Ишкин, Хабир К Ишкин, Хабир Кабирович Ишкин
ORCID: 0000-0002-4943-9079
Observed ORCID: 0000-0002-4943-9079
OpenAlex ID: A5028451661
Localization criterion for the spectrum of the Sturm–Liouville operator on a curve
2016 · Kh. K. Ishkin · St Petersburg Mathematical Journal · 16
On the spectral instability of the Sturm-Liouville operator with a complex potential
2009 · Kh. K. Ishkin · Differential Equations · 16
Necessary Conditions for the Localization of the Spectrum of the Sturm-Liouville Problem on a Curve
2005 · Kh. K. Ishkin · Mathematical Notes · 15
On a trivial monodromy criterion for the Sturm-Liouville equation
2013 · Kh. K. Ishkin · Mathematical Notes · 14
On localization of the spectrum of the problem with complex weight
2008 · Kh. K. Ishkin · Journal of Mathematical Sciences · 12
A localization criterion for the eigenvalues of a spectrally unstable operator
2009 · Kh. K. Ishkin · Doklady Mathematics · 10
Spectral Properties of the Nonsectorial Sturm–Liouville Operator on the Semiaxis
2023 · Kh. K. Ishkin · Mathematical Notes · 9
On localization conditions for spectrum of model operator for Orr - Sommerfeld equation
2020 · Khabir Kabirovich Ishkin, Rustem Il'darovich Marvanov · Ufimskii Matematicheskii Zhurnal · 9
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On the Davies Formula for the Distribution of Eigenvalues of a Non-Self-Adjoint Differential Operator
2021 · Kh. K. Ishkin, A. V. Rezbayev · Journal of Mathematical Sciences · 8
On analytic properties of Weyl function of Sturm - Liouville operator with a decaying complex potential
2013 · Khabir Kabirovich Ishkin · Ufimskii Matematicheskii Zhurnal · 8
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On the uniqueness criterion for solutions of the Sturm-Liouville equation
2008 · Kh. K. Ishkin · Mathematical Notes · 8
Regularized Trace of a Sturm–Liouville Operator on a Curve with a Regular Singularity on the Chord
2020 · Kh. K. Ishkin, L. G. Davletova · Differential Equations · 6
О необходимых условиях локализации спектра задачи Штурма - Лиувилля на кривой
2005 · Хабир К Ишкин · Математические заметки · 6
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Об условиях конечности спектра дифференциального оператора второго порядка с интегральными краевыми условиями
2025 · Х.К. Ишкин · Journal of Mathematics Mechanics and Computer Science · 5
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О критерии безмонодромности уравнения Штурма - Лиувилля
2013 · Хабир Кабирович Ишкин · Математические заметки · 5
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On the Class of Potentials with Trivial Monodromy
2021 · Khabir Ishkin, Rustem Marvanov · Lobachevskii Journal of Mathematics · 4
Conditions of Spectrum Localization for Operators not Close to Self-Adjoint Operators
2018 · Kh. K. Ishkin · Doklady Mathematics · 4
Conditions for localization of the limit spectrum of a model operator associated with the Orr-Sommerfeld equation
2012 · Kh. K. Ishkin · Doklady Mathematics · 4
О критерии однозначности решений уравнения Штурма - Лиувилля
2008 · Хабир К Ишкин · Математические заметки · 4
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On completeness conditions for system of root functions of differential operator on segment with integral conditions
2025 · Khabir Kabirovich Ishkin, Baltabek Esmatovich Kanguzhin · Ufimskii Matematicheskii Zhurnal · 3
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Спектральные свойства несекториального оператора Штурма-Лиувилля на полуоси
2023 · Khabir Kabirovich Ishkin · Математические заметки · 3
On Analytic Perturbations of a Non-Self-Adjoint Anharmonic Oscillator
2023 · Kh. Ishkin · Lobachevskii Journal of Mathematics · 2
On the Birkhoff-Tamarkin-Langer conditions and a conjecture of Davies
2015 · Kh. K. Ishkin · Doklady Mathematics · 2
Quantum Defect for the Dirac Operator with a Nonanalytic Potential
2000 · Kh. K. Ishkin, Kh. Kh. Murtazin · Theoretical and Mathematical Physics · 2
An Analogue of the Gelfand–Levitan Trace Formula for the Sturm–Liouville Operator with a Meromorphic Potential
2022 · Kh. Ishkin, L. Davletova · Lobachevskii Journal of Mathematics · 1
Works count: 51
Citation count: 177
H-index: 8
I10-index: 6
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