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pro vyhledávání: '"E. Providas"'
Autor:
I.N. Parasidis, E. Providas
Publikováno v:
Қарағанды университетінің хабаршысы. Математика сериясы, Vol 113, Iss 1 (2024)
Boundary value problem B1x = f with an abstract linear operator B1, corresponding to an Fredholm integro-differential equation with ordinary or partial differential operator is researched. An exact solution to B1x = f in the case when a bijective ope
Externí odkaz:
https://doaj.org/article/fcd36909ca914648ad2df74e07dce1c8
Autor:
I.N. Parasidis, E. Providas
Publikováno v:
Қарағанды университетінің хабаршысы. Математика сериясы, Vol 103, Iss 3, Pp 76-86 (2021)
This article deals with the factorization and solution of nonlocal boundary value problems in a Banach space of the abstract form B1u = Au − SΦ(u) − GΨ(A0u) = f, u ∈ D(B1),where A, A0 are linear abstract operators, S, G are vectors of functio
Externí odkaz:
https://doaj.org/article/ccc1a69c4d4b49369532adf6a806948f
Autor:
E. Providas, I.N. Parasidis
Publikováno v:
Series on Computers and Operations Research ISBN: 9789811261565
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36bd087032fe696784f74d6ee51a0135
https://doi.org/10.1142/9789811261572_0025
https://doi.org/10.1142/9789811261572_0025
Publikováno v:
Vestnik of Samara University. Natural Science Series. 27:29-43
The solvability condition and the unique exact solution by the universal factorization (decomposition) method for a class of the abstract operator equations of the type B1u = Au S(A0u) GF(Au) = f, u D(B1),where A,A0 are linear abstract operators, G,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eb0e0256053d6d233376b90c9126804
https://doi.org/10.18287/2541-7525-2021-27-1-29-43
https://doi.org/10.18287/2541-7525-2021-27-1-29-43
Autor:
E. Providas, I. N. Parasidis
Publikováno v:
BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS. 103:76-86
This article deals with the factorization and solution of nonlocal boundary value problems in a Banach space of the abstract form B1u = Au − SΦ(u) − GΨ(A0u) = f, u ∈ D(B1),where A, A0 are linear abstract operators, S, G are vectors of functio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55efd8ce3a380d6ac17a319e4b41afc8
https://doi.org/10.31489/2021m3/76-86
https://doi.org/10.31489/2021m3/76-86
Autor:
I. N. Parasidis, E. Providas
Publikováno v:
Vestnik of Samara University. Natural Science Series. 26:14-22
The article is devoted to the solution of boundary value problems for higher-order linear integro-differential equations of Fredholm type with differential and integral operators encompassing powers of an ideal bijective linear differential operator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbf13bce57c8fa4b209bbdf2c035080d
https://doi.org/10.18287/2541-7525-2020-26-1-14-22
https://doi.org/10.18287/2541-7525-2020-26-1-14-22
Akademický článek
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Autor:
E. Providas, I. N. Parasidis
Publikováno v:
Vestnik of Samara University. Natural Science Series. 25:12-21
We establish solvability and correctness criteria for two Fredholm type linear integro-differential operators B2, B4 encompassing up to second and fourth powers, respectively, of a differential operator A�with aknown inverse I = A�1. We also de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40342983e25ffd9e875a3b049cf88638
https://doi.org/10.18287/2541-7525-2019-25-3-12-21
https://doi.org/10.18287/2541-7525-2019-25-3-12-21
Publikováno v:
Information and Control Systems. :2-9
Introduction: In Part 1 of this article, a direct method was presented for examining the solvability and uniqueness problem, and for obtaining a closed-form solution of boundary value problems which incorporate an mth order linear ordinary Fredholm i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d1f1c3d7dc1e5f4648abd81a908feda
https://doi.org/10.31799/1684-8853-2019-2-2-9
https://doi.org/10.31799/1684-8853-2019-2-2-9
Autor:
E. Providas
Publikováno v:
Nonlinear Analysis, Differential Equations, and Applications ISBN: 9783030725624
This chapter deals with the factorization and solution of initial and boundary value problems for a class of linear and nonlinear second order differential equations with variable coefficients subject to mixed conditions. The technique for nonlinear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e5e9c060995228baf1f04d0d45a63b8
https://doi.org/10.1007/978-3-030-72563-1_18
https://doi.org/10.1007/978-3-030-72563-1_18