On the solvability of Fredholm boundary-value problems in fractional Sobolev spaces

UDC 517.927 We study systems of linear ordinary differential equations with the most general inhomogeneous boundary conditions in fractional Sobolev spaces on a nite interval. The Fredholm property of these problems in the corresponding pairs of Banach spaces is proved. Their indices and dimensio...

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Datum:2023
Hauptverfasser: Mikhailets, V. A., Atlasiuk, О. М., Skorobohach, T. B., Михайлець, В. А., Атласюк, О. М., Скоробогач, Т. Б.
Format: Artikel
Sprache:Ukrainisch
Veröffentlicht: Institute of Mathematics, NAS of Ukraine 2023
Online Zugang:https://umj.imath.kiev.ua/index.php/umj/article/view/7308
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Назва журналу:Ukrains’kyi Matematychnyi Zhurnal
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Ukrains’kyi Matematychnyi Zhurnal
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Zusammenfassung:UDC 517.927 We study systems of linear ordinary differential equations with the most general inhomogeneous boundary conditions in fractional Sobolev spaces on a nite interval. The Fredholm property of these problems in the corresponding pairs of Banach spaces is proved. Their indices and dimensions of the kernels and cokernels are found. We also present examples showing the constructive character of the obtained results.
DOI:10.37863/umzh.v75i1.7308