Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Cristian Chifu"'
Autor:
Cristian Chifu
Publikováno v:
Results in Nonlinear Analysis, Vol 2, Iss 1, Pp 18-24 (2019)
The purpose of this paper is to obtain some fixed point results in extended b-metric spaces for Reich-Rus and Ciric operators.
Externí odkaz:
https://doaj.org/article/6c1cc3d2c24442f885f1807d881c2016
Publikováno v:
Axioms, Vol 10, Iss 3, p 231 (2021)
The purpose of this paper is to present some fixed point results for Frum-Ketkov type operators in complete b-metric spaces.
Externí odkaz:
https://doaj.org/article/fef0abe1e1414bb2a89243b7969f63b4
Autor:
Erdal Karapınar, Cristian Chifu
Publikováno v:
Mathematics, Vol 8, Iss 2, p 220 (2020)
In this manuscript, we introduce Meir-Keeler type contractions and Geraghty type contractions in the setting of the w t -distances over b-metric spaces. We examine the existence of a fixed point for such mappings. Under some additional assumption, we
Externí odkaz:
https://doaj.org/article/593bb963826947e491cf42d93526e0d2
Autor:
Cristian Chifu, Gabriela Petruşel
Publikováno v:
Fixed Point Theory and Applications, Vol 2011 (2011)
Externí odkaz:
https://doaj.org/article/e9bc76ba7eca4ba8ad50e86b929ad451
Autor:
Gabriela Petruşel, Cristian Chifu
Publikováno v:
Fixed Point Theory and Applications, Vol 2008 (2008)
The purpose of this paper is to present existence, uniqueness, and data dependence results for the strict fixed points of a multivalued operator of Reich type, as well as, some sufficient conditions for the well-posedness of a fixed point problem for
Externí odkaz:
https://doaj.org/article/e7929140485f4e6fa4708e3bfd7a0e65
Autor:
Cristian Chifu, Gabriela Petruşel
Publikováno v:
Fixed Point Theory and Applications, Vol 2007 (2007)
The purpose of this paper is to present several existence and data dependence results of the fixed points of some multivalued generalized contractions in complete metric spaces. As for application, a continuation result is given.
Externí odkaz:
https://doaj.org/article/d483619023e542b1881cdd245787d2cb
Publikováno v:
Studies in Business and Economics. 18:54-68
The concern about health is continuously increasing and the COVID-19 pandemic has caused so many changes at a global level, affecting people, regardless demographic features. Different analysis show that people have been affected from different point
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::201b9f7c69aa6bc53d5af651fee74f46
https://doi.org/10.2478/sbe-2023-0003
https://doi.org/10.2478/sbe-2023-0003
Publikováno v:
Remodelling Businesses for Sustainable Development ISBN: 9783031196553
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5c4c24e592a9b75cca0ec699f787878
https://doi.org/10.1007/978-3-031-19656-0_7
https://doi.org/10.1007/978-3-031-19656-0_7
Publikováno v:
Fixed Point Theory. 21:453-464
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caa8007dc1b91bfea976f116659a167c
https://doi.org/10.24193/fpt-ro.2020.2.32
https://doi.org/10.24193/fpt-ro.2020.2.32
Publikováno v:
Studia Universitatis Babeş-Bolyai Negotia, Vol 60, Iss 4 (2015)
The purpose of this paper is to to explore the evolution of SMEs from Cluj-Napoca in the IT sector by looking into the following problems: the relationship between number of employees, type of ownership and type of activity, as well as relationship b
Externí odkaz:
https://doaj.org/article/8f06cd4ec947416d84dd6427d8856f91