Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Sigita Pečiulytė"'
Autor:
Sigita Pečiulytė, Artūras Štikonas
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 46, Iss spec. (2023)
In this paper we present separate cases of Sturm–Liouville problem with nonlocal two-point boundary condition. The existence of positive eigenvalues and eigenfunctions is analysed. Obtained results we compare with results that are described in pape
Externí odkaz:
https://doaj.org/article/b282910660d94754a2eba0cb82a55c89
Autor:
Natalija Sergejeva, Sigita Pečiulytė
Publikováno v:
Nonlinear Analysis, Vol 24, Iss 2 (2019)
The Fučík equation x' '= -μ x+λ x- with two types of nonlocal boundary value conditions are considered. The Fučík type spectrum for both problems are constructed. The visualization of the spectrum for some values of parameter γ is provided.
Externí odkaz:
https://doaj.org/article/5ad7eb9d15c34321bcae9e072b4341d9
Publikováno v:
Technological and Economic Development of Economy, Vol 17, Iss 1 (2011)
The paper presents the investigation of the impact of Ignalina Nuclear Power Plant (NPP) shutdown on Lithuanian energy security. The system of energy security indicators, covering technical, economic and socio-political aspects is presented. The inte
Externí odkaz:
https://doaj.org/article/d86b951d730d4c9da15e5dd2bddcd0f4
Autor:
Sigita Pečiulytė, Artūras Štikonas
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 48, Iss proc. LMS (2008)
In this paperwe investigate eigenfunctions and generalized eigenfunctions system of the Sturm– Liouville problem with classical boundary condition on the left boundary and nonlocal boundary conditions of four types on the right boundary.
Externí odkaz:
https://doaj.org/article/4ef2826c3b1c44b4b36082b960212e25
Autor:
Sigita Pečiulytė, Artūras Štikonas
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 47, Iss spec. (2007)
In this paper the Sturm–Liouville problem with one classical and other nonlocal two-point or integral boundary condition is investigated. There are critical points of the characteristic function analysed. We investigate how distribution of the crit
Externí odkaz:
https://doaj.org/article/41ce364dd8184ff39efb06f835e24102
Autor:
Sigita Pečiulytė, Artūras Štikonas
Publikováno v:
Mathematical Modelling and Analysis, Vol 12, Iss 2 (2007)
Positive eigenvalues and corresponding eigenfunctions of the linear Sturm‐Liouville problem with one classical boundary condition and another nonlocal two‐point boundary condition are considered in this paper. Four cases of nonlocal two‐point b
Externí odkaz:
https://doaj.org/article/0ded4d9609de451c82a68edaae97784c
Autor:
Sigita Pečiulytė, Artūras Štikonas
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 45, Iss spec. (2005)
The Sturm–Liouville problemwith one classical boundary condition and other two point second type nonlocal boundary conditions is considered in this paper. Three cases of nonlocal conditions are investigated. There is analysed how spectrum of this p
Externí odkaz:
https://doaj.org/article/51cd5287c1dd4391a43b62c5d5a04c93
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 44, Iss spec. (2004)
We investigated a eigenvalue problem for simple second order ordinary differential equation with one integral type nonlocal boundary condition. The eigenvalues and eigenfunctions of such problem are depending on few parameters in the nonlocal bound
Externí odkaz:
https://doaj.org/article/ffb760f773224a43a49df7e0363d32c3
Publikováno v:
Lietuvos Matematikos Rinkinys, Vol 43, Iss spec. (2003)
In this paper we investigate one-dimensional stationary differential problems with various nonlocal boundary conditions and finite difference schemes for them. The boundary conditions of the first, second and third type are considered and nonlocal pa
Externí odkaz:
https://doaj.org/article/f0763b879d4c415992278c2048c3f688
Autor:
Sigita Pečiulytė, Linas Martišauskas, Juozas Augutis, Ričardas Krikštolaitis, Inga Žutautaitė
Publikováno v:
Energy. 138:890-901
The aim of the study presented in this paper is a framework offering an integrated energy security assessment, based on different approaches. We consider a novel methodology as an integrated framework of different types of analyses and methods of ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8362a15d9a1acca756ced0cd6fc6374b
https://doi.org/10.1016/j.energy.2017.07.113
https://doi.org/10.1016/j.energy.2017.07.113