Zobrazeno 1 - 10
of 204
pro vyhledávání: '"Rodica Luca"'
Autor:
Alexandru Tudorache, Rodica Luca
Publikováno v:
Fractal and Fractional, Vol 8, Iss 9, p 543 (2024)
We explore the existence, uniqueness, and multiplicity of positive solutions to a system of Hadamard fractional differential equations that contain fractional integral terms. Defined on a finite interval, this system is subject to general coupled non
Externí odkaz:
https://doaj.org/article/09425cf7bcb44b64be0a83870b739567
Autor:
Alexandru Tudorache, Rodica Luca
Publikováno v:
Mathematics, Vol 12, Iss 9, p 1335 (2024)
We are investigating the existence of solutions to a system of two fractional q-difference equations containing fractional q-integral terms, subject to multi-point boundary conditions that encompass q-derivatives and fractional q-derivatives of diffe
Externí odkaz:
https://doaj.org/article/b81781b80e2e41c6bb2fa5b05c15e6d1
Autor:
Rodica Luca
Publikováno v:
Fractal and Fractional, Vol 8, Iss 1, p 70 (2024)
We explore the existence, uniqueness, and multiplicity of positive solutions to a system of fractional q-difference equations that include fractional q-integrals. This investigation is carried out under coupled multi-point boundary conditions featuri
Externí odkaz:
https://doaj.org/article/47344fb8951a402ab65e3eb9c6d8bd0e
Autor:
Arina Vinereanu, Aneta Munteanu, Konstantina Kritikou, Alexandru Stănculescu, Raluca Vacaru, Annelyse-Martine Garret-Bernardin, Ahu Durhan, Rodica Luca
Publikováno v:
Romanian Journal of Oral Rehabilitation, Vol 14, Iss 1, Pp 6-14 (2022)
The aim of this study is to get a comparative picture of oral health of Special Olympics (SO) athletes in the 4 countries involved in Erasmus+ project 2019-1-RO01-KA202-063820 Oral Special Care Academic Resources (OSCAR): France (FR), Italy (IT), Rom
Externí odkaz:
https://doaj.org/article/561711f0105f4eb9a6f93ab35d7fd135
Autor:
Alexandru Tudorache, Rodica Luca
Publikováno v:
Fractal and Fractional, Vol 7, Iss 11, p 816 (2023)
We study the existence and uniqueness of solutions for a system of Hilfer–Hadamard fractional differential equations. These equations are subject to coupled nonlocal boundary conditions that incorporate Riemann–Stieltjes integrals and a range of
Externí odkaz:
https://doaj.org/article/a56d9700e1564ea0abb074512742d017
Publikováno v:
Children, Vol 10, Iss 9, p 1563 (2023)
Molar incisor hypomineralization (MIH) is an understudied and underrecognized clinical entity occurring in children. We performed a cross-sectional study to determine the real-world prevalence of MIH among school children undergoing routine dental ch
Externí odkaz:
https://doaj.org/article/581b14b0766543a1af1e4a78c45781d9
Autor:
Alexandru Tudorache, Rodica Luca
Publikováno v:
Axioms, Vol 12, Iss 8, p 793 (2023)
Our investigation is devoted to examining the existence, uniqueness, and multiplicity of positive solutions for a system of Hadamard fractional differential equations. This system is defined on an infinite interval and is subject to coupled nonlocal
Externí odkaz:
https://doaj.org/article/87eb6dc8e09e4647ac6216a3c8c636f9
Autor:
Rodica Luca, Alexandru Tudorache
Publikováno v:
Fractal and Fractional, Vol 7, Iss 6, p 458 (2023)
Our research focuses on investigating the existence of positive solutions for a system of nonlinear Hadamard fractional differential equations. These equations are defined on an infinite interval and involve non-negative nonlinear terms. Additionally
Externí odkaz:
https://doaj.org/article/a657c1d5e1ec47b49cac86724e6b04ae
Autor:
Rodica Luca
Publikováno v:
Fractal and Fractional, Vol 7, Iss 5, p 406 (2023)
Fractional-order differential and integral operators and fractional differential equations have extensive applications in the mathematical modelling of real-world phenomena which occur in scientific and engineering disciplines such as physics, chemis
Externí odkaz:
https://doaj.org/article/30b14b7e0f4e4500b635cfd9e0160961
Autor:
Rodica Luca
Publikováno v:
Advances in Difference Equations, Vol 2021, Iss 1, Pp 1-25 (2021)
Abstract We investigate the existence of solutions for a system of Riemann–Liouville fractional differential equations with nonlinearities dependent on fractional integrals, subject to coupled nonlocal boundary conditions which contain various frac
Externí odkaz:
https://doaj.org/article/a9ce47a5a0a5457687a94c9049dd46d3