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Czerwik, Stefan

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Author ID: czerwik.stefan Recent zbMATH articles by "Czerwik, Stefan"
Published as: Czerwik, Stefan; Czerwik, S.; Czerwik, St.
Documents Indexed: 74 Publications since 1968, including 1 Book
Reviewing Activity: 158 Reviews
all top 5

Serials

7 Annales Polonici Mathematici
5 Aequationes Mathematicae
3 Annales Societatis Mathematicae Polonae
2 Bulletin Mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie. Nouvelle Série
2 Demonstratio Mathematica
2 Publicationes Mathematicae
2 Journal of Natural & Physical Sciences
2 Glasnik Matematički. Serija III
2 Nonlinear Functional Analysis and Applications
2 Bulletin de l’Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques
2 Matematichki Vesnik. New Series
2 Asian-European Journal of Mathematics
1 Journal of Mathematical Analysis and Applications
1 Periodica Mathematica Hungarica
1 Revue Roumaine de Mathématiques Pures et Appliquées
1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
1 Colloquium Mathematicum
1 Funkcialaj Ekvacioj. Serio Internacia
1 Indian Journal of Mathematics
1 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica
1 Proceedings of the American Mathematical Society
1 Publications de l’Institut Mathématique. Nouvelle Série
1 Comptes Rendus Mathématiques de l’Académie des Sciences
1 Bulletin of the Korean Mathematical Society
1 Atti del Seminario Matematico e Fisico dell’Università di Modena
1 Acta Mathematica et Informatica Universitatis Ostraviensis
1 Analele Universităţii din Timişoara. Seria Matematică-Informatică
1 Tamsui Oxford Journal of Mathematical Sciences
1 Fixed Point Theory
1 The Australian Journal of Mathematical Analysis and Applications
1 Banach Journal of Mathematical Analysis
1 Mathematica
1 Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Prace Matematyczne
1 Journal of Function Spaces

Publications by Year

Citations contained in zbMATH Open

39 Publications have been cited 1,232 times in 921 Documents Cited by Year
Contraction mappings in \(b\)-metric spaces. Zbl 0849.54036
Czerwik, S.
338
1993
Functional equations and inequalities in several variables. Zbl 1011.39019
Czerwik, Stefan
243
2002
On the stability of the quadratic mapping in normed spaces. Zbl 0779.39003
Czerwik, St.
240
1992
Nonlinear set-valued contraction mappings in \(b\)-metric spaces. Zbl 0920.47050
Czerwik, S.
192
1998
Ulam-Hyers-Rassias stability of functional equations. Zbl 1382.39036
Czerwik, Stefan; Król, Krzysztof
34
2009
Round-off stability of iteration procedures for operators in \(b\)-metric spaces. Zbl 0968.54031
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
31
1997
\((\alpha, \psi)\)-Meir-Keeler contraction mappings in generalized \(b\)-metric spaces. Zbl 1398.54074
Karapinar, Erdal; Czerwik, Stefan; Aydi, Hassen
28
2018
Coincidences and fixed points of hybrid contractions. Zbl 1175.54063
Singh, Shyam Lal; Czerwik, Stefan; Król, Krzysztof; Singh, Abha
20
2008
The stability of the quadratic functional equation. Zbl 0844.39008
Czerwik, Stefan
16
1994
Stability of the quadratic functional equation in Lipschitz spaces. Zbl 1052.39030
Czerwik, S.; Dłutek, K.
12
2004
Round-off stability of iteration procedures for set-valued operators in \(b\)-metric spaces. Zbl 1034.47018
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
9
2001
On the stability of the quadratic functional equation in topological spaces. Zbl 1130.39021
Adam, M.; Czerwik, S.
6
2007
A fixed point theorem for a system of multivalued transformations. Zbl 0336.54046
Czerwik, S.
6
1976
The existence of global solutions of a functional-differential equation. Zbl 0356.34077
Czerwik, S.
5
1976
Fixed point theorems in generalized b-metric spaces. Zbl 1402.54036
Aydi, Hassen; Czerwik, Stefan
4
2018
On the stability of the homogeneous mapping. Zbl 0795.39006
Czerwik, Stefan
4
1992
Superstability of the equation of quadratic functionals in \(L^p\)-spaces. Zbl 1062.39030
Czerwik, Stefan; Dłutek, Krzysztof
4
2002
On the global existence of solutions of a functional-differential equation. Zbl 0322.34050
Czerwik, Stefan
4
1975
Solutions of a system of functional equations in special class functions. Zbl 0361.39001
Czerwik, S.
4
1976
On the continuous dependence of solutions of some functional equations on given functions. Zbl 0216.13104
Czerwik, S.
3
1971
Quadratic difference operators in \(L^p\)-spaces. Zbl 1058.39019
Czerwik, Stefan; Dłutek, Krzysztof
3
2004
Mulvi-valued contraction mappings in metric spaces. Zbl 0385.54027
Czerwik, Stefan
2
1977
Fixed point theorems in generalized metric spaces. Zbl 06770298
Czerwik, Stefan; Król, Krzysztof
2
2017
Cauchy and Pexider operators in some function spaces. Zbl 1059.39012
Czerwik, Stefan; Dłutek, Krzysztof
2
2003
Fixed point theorems for a system of transformations in generalized metric spaces. Zbl 1332.54207
Czerwik, Stefan; Król, Krzysztof
2
2015
A general Baker superstability criterion for the D’Alembert functional equation. Zbl 1135.39012
Czerwik, Stefan; Przybyła, Maciej
2
2007
Ulam stability of functional equations. Zbl 1175.39017
Czerwik, Stefan; Król, Krzysztof
2
2009
Special solutions of a functional equation. Zbl 0308.39002
Czerwik, S.
2
1975
Some inequalities, characteristic roots of a matrix and Edelstein’s fixed point theorem. Zbl 0347.15006
Czerwik, S.
2
1976
The completion of generalized b-metric spaces and fixed points. Zbl 1456.54012
Cobzaş, Ştefan; Czerwik, Stefan
1
2020
Existence, uniqueness and continuous dependence on the parameter of solutions of a system of differential equations with deviating argument. Zbl 0367.34045
Czerwik, S.
1
1977
Remarks on some fixed point theorems. Zbl 0366.47024
Czerwik, S.
1
1977
Random fixed point theorems for a system of multivalued mappings. Zbl 0595.47042
Czerwik, S.
1
1985
On the differentiability of solutions of a functional equation with respect to a parameter. Zbl 0221.39003
Czerwik, S.
1
1971
Continuous solutions of a system of functional inequalities. Zbl 0542.39003
Czerwik, S.
1
1984
Quadratic operators and quadratic functional equation. Zbl 1248.39020
Adam, M.; Czerwik, S.
1
2012
On the unbounded and continuous solutions of a system of functional equations. Zbl 0324.39002
Czerwik, Stefan
1
1975
Generalization of Edelstein’s fixed point theorem. Zbl 0351.54038
Czerwik, Stefan
1
1976
On a differential equation with deviating argument. Zbl 0352.34055
Czerwik, S.
1
1977
The completion of generalized b-metric spaces and fixed points. Zbl 1456.54012
Cobzaş, Ştefan; Czerwik, Stefan
1
2020
\((\alpha, \psi)\)-Meir-Keeler contraction mappings in generalized \(b\)-metric spaces. Zbl 1398.54074
Karapinar, Erdal; Czerwik, Stefan; Aydi, Hassen
28
2018
Fixed point theorems in generalized b-metric spaces. Zbl 1402.54036
Aydi, Hassen; Czerwik, Stefan
4
2018
Fixed point theorems in generalized metric spaces. Zbl 06770298
Czerwik, Stefan; Król, Krzysztof
2
2017
Fixed point theorems for a system of transformations in generalized metric spaces. Zbl 1332.54207
Czerwik, Stefan; Król, Krzysztof
2
2015
Quadratic operators and quadratic functional equation. Zbl 1248.39020
Adam, M.; Czerwik, S.
1
2012
Ulam-Hyers-Rassias stability of functional equations. Zbl 1382.39036
Czerwik, Stefan; Król, Krzysztof
34
2009
Ulam stability of functional equations. Zbl 1175.39017
Czerwik, Stefan; Król, Krzysztof
2
2009
Coincidences and fixed points of hybrid contractions. Zbl 1175.54063
Singh, Shyam Lal; Czerwik, Stefan; Król, Krzysztof; Singh, Abha
20
2008
On the stability of the quadratic functional equation in topological spaces. Zbl 1130.39021
Adam, M.; Czerwik, S.
6
2007
A general Baker superstability criterion for the D’Alembert functional equation. Zbl 1135.39012
Czerwik, Stefan; Przybyła, Maciej
2
2007
Stability of the quadratic functional equation in Lipschitz spaces. Zbl 1052.39030
Czerwik, S.; Dłutek, K.
12
2004
Quadratic difference operators in \(L^p\)-spaces. Zbl 1058.39019
Czerwik, Stefan; Dłutek, Krzysztof
3
2004
Cauchy and Pexider operators in some function spaces. Zbl 1059.39012
Czerwik, Stefan; Dłutek, Krzysztof
2
2003
Functional equations and inequalities in several variables. Zbl 1011.39019
Czerwik, Stefan
243
2002
Superstability of the equation of quadratic functionals in \(L^p\)-spaces. Zbl 1062.39030
Czerwik, Stefan; Dłutek, Krzysztof
4
2002
Round-off stability of iteration procedures for set-valued operators in \(b\)-metric spaces. Zbl 1034.47018
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
9
2001
Nonlinear set-valued contraction mappings in \(b\)-metric spaces. Zbl 0920.47050
Czerwik, S.
192
1998
Round-off stability of iteration procedures for operators in \(b\)-metric spaces. Zbl 0968.54031
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
31
1997
The stability of the quadratic functional equation. Zbl 0844.39008
Czerwik, Stefan
16
1994
Contraction mappings in \(b\)-metric spaces. Zbl 0849.54036
Czerwik, S.
338
1993
On the stability of the quadratic mapping in normed spaces. Zbl 0779.39003
Czerwik, St.
240
1992
On the stability of the homogeneous mapping. Zbl 0795.39006
Czerwik, Stefan
4
1992
Random fixed point theorems for a system of multivalued mappings. Zbl 0595.47042
Czerwik, S.
1
1985
Continuous solutions of a system of functional inequalities. Zbl 0542.39003
Czerwik, S.
1
1984
Mulvi-valued contraction mappings in metric spaces. Zbl 0385.54027
Czerwik, Stefan
2
1977
Existence, uniqueness and continuous dependence on the parameter of solutions of a system of differential equations with deviating argument. Zbl 0367.34045
Czerwik, S.
1
1977
Remarks on some fixed point theorems. Zbl 0366.47024
Czerwik, S.
1
1977
On a differential equation with deviating argument. Zbl 0352.34055
Czerwik, S.
1
1977
A fixed point theorem for a system of multivalued transformations. Zbl 0336.54046
Czerwik, S.
6
1976
The existence of global solutions of a functional-differential equation. Zbl 0356.34077
Czerwik, S.
5
1976
Solutions of a system of functional equations in special class functions. Zbl 0361.39001
Czerwik, S.
4
1976
Some inequalities, characteristic roots of a matrix and Edelstein’s fixed point theorem. Zbl 0347.15006
Czerwik, S.
2
1976
Generalization of Edelstein’s fixed point theorem. Zbl 0351.54038
Czerwik, Stefan
1
1976
On the global existence of solutions of a functional-differential equation. Zbl 0322.34050
Czerwik, Stefan
4
1975
Special solutions of a functional equation. Zbl 0308.39002
Czerwik, S.
2
1975
On the unbounded and continuous solutions of a system of functional equations. Zbl 0324.39002
Czerwik, Stefan
1
1975
On the continuous dependence of solutions of some functional equations on given functions. Zbl 0216.13104
Czerwik, S.
3
1971
On the differentiability of solutions of a functional equation with respect to a parameter. Zbl 0221.39003
Czerwik, S.
1
1971
all top 5

Cited by 824 Authors

95 Park, Choonkil
54 Eshaghi Gordji, Madjid
43 Jung, Soon-Mo
41 Radenovic, Stojan
35 Aydi, Hassen Mohamed
28 Najati, Abbas
27 Lee, Jung-Rye
27 Rassias, Themistocles Michael
26 Brzdęk, Janusz
26 Karapınar, Erdal
26 Rassias, John Michael
24 Hussain, Nawab
23 Parvaneh, Vahid
21 Kim, Hark-Mahn
20 Cho, Yeol Je
19 Khodaei, Hamid
19 Lee, Yang-Hi
19 Mitrović, Zoran D.
18 Kadelburg, Zoran
18 Sintunavarat, Wutiphol
17 Shin, Dong-Yun
16 Bodaghi, Abasalt
16 Nguyen Van Dung
16 Saadati, Reza
14 Kumam, Poom
13 Moslehian, Mohammad Sal
11 Ebadian, Ali
11 El-Fassi, Iz-Iddine
11 Huang, Huaping
11 Kabbaj, Samir
11 Lee, Young-Su
11 Roshan, Jamal Rezaei
10 Ansari, Arslan Hojat
10 Azadi-Kenary, Hassan
10 Eskandani, Golamreza Zamani
10 Jun, Kil-Woung
10 Kang, DongSeung
10 Kim, Gwang Hui
10 Popa, Dorian
10 Rezaei, Hamid
10 Vo Thi Le Hang
9 de la Sen, Manuel
9 Ghaemi, Mohammad Bagher
9 Mlaiki, Nabil M.
9 Nashine, Hemant Kumar
9 Sarwar, Muhammad
8 Abbas, Mujahid
8 Ciepliński, Krzysztof
8 Czerwik, Stefan
8 Jang, Sunyoung
8 Samet, Bessem
7 Abdeljawad, Thabet
7 Agarwal, Ravi P.
7 Park, Wongil
7 Petruşel, Adrian
7 Singh, Deepak Kumar
6 Ameer, Eskandar
6 Bae, Jae-Hyeong
6 Chahbi, Abdellatif
6 Chang, Ick-Soon
6 Găvruţă, Paşc
6 Kamran, Tayyab
6 Kim, Sang Og
6 Mohanta, Sushanta Kumar
6 Nazam, Muhammad
6 Petruşel, Gabriela
6 Postolache, Mihai
6 Rassias, Michael Th.
6 Vetro, Calogero
6 Yamaod, Oratai
6 Zhu, Chuanxi
5 Ahmad, Jamshaid
5 Ali, Basit
5 Alizadeh, Badrkhan
5 Almahalebi, Muaadh
5 Bota, Monica-Felicia
5 Charifi, Ahmed
5 Chen, Chunfang
5 Chung, Jaeyoung
5 Dey, Lakshmi Kanta
5 Došenović, Tatjana
5 Imdad, Mohammad
5 Jung, Yong-Soo
5 Lee, Juri
5 Li, Yongjin
5 Majani, Hamid
5 Mirmostafaee, Alireza Kamel
5 Moghimi, Mohammad Bagher Farshbaf
5 Mustafa, Zead
5 Samreen, Maria
5 Senthil Kumar, B. V.
5 Shahzad, Naseer
5 Shatanawi, Wasfi A.
4 Al-Mazrooei, Abdullah Eqal
4 Ali, Muhammad Usman
4 Alias, Idham Arif
4 Alizadeh, Zahra
4 Alsamir, Habes
4 Alsulami, Hamed Hamdan
4 Bahyrycz, Anna
...and 724 more Authors
all top 5

Cited in 154 Serials

66 Fixed Point Theory and Applications
65 Abstract and Applied Analysis
63 Journal of Inequalities and Applications
55 Journal of Mathematical Analysis and Applications
51 Journal of Function Spaces
44 Journal of Fixed Point Theory and Applications
34 Advances in Difference Equations
24 Journal of Nonlinear Science and Applications
19 Journal of Mathematics
18 Aequationes Mathematicae
16 Results in Mathematics
16 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
14 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
14 Applied Mathematics Letters
14 Journal of Linear and Topological Algebra
13 Applied Mathematics and Computation
13 Acta Mathematica Sinica. English Series
13 Mathematical Sciences
11 Symmetry
10 Discrete Dynamics in Nature and Society
10 Nonlinear Analysis. Modelling and Control
8 Rendiconti del Circolo Matemàtico di Palermo. Serie II
8 Sahand Communications in Mathematical Analysis
7 Computers & Mathematics with Applications
7 Matematički Vesnik
7 Mediterranean Journal of Mathematics
7 Tbilisi Mathematical Journal
7 Korean Journal of Mathematics
6 International Journal of Mathematics and Mathematical Sciences
6 Journal of Applied Mathematics
6 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
6 Thai Journal of Mathematics
6 International Journal of Geometric Methods in Modern Physics
6 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche
6 Axioms
6 Mathematics
5 Demonstratio Mathematica
5 Acta Mathematica Hungarica
5 Asian-European Journal of Mathematics
4 Journal of Mathematical Physics
4 Applied Mathematics and Mechanics. (English Edition)
4 Journal of Function Spaces and Applications
4 Boletim da Sociedade Paranaense de Matemática. Terceira Série
4 Afrika Matematika
4 International Journal of Analysis and Applications
4 Nonlinear Analysis. Theory, Methods & Applications
4 Open Mathematics
4 Cogent Mathematics & Statistics
3 Ukrainian Mathematical Journal
3 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg
3 Fasciculi Mathematici
3 Fuzzy Sets and Systems
3 Information Sciences
3 Topology and its Applications
3 Acta Applicandae Mathematicae
3 Facta Universitatis. Series Mathematics and Informatics
3 The Journal of Analysis
3 Georgian Mathematical Journal
3 Journal of Difference Equations and Applications
3 Applied Mathematics E-Notes
3 Banach Journal of Mathematical Analysis
3 Acta Universitatis Sapientiae. Mathematica
3 Applied General Topology
3 Transactions of A. Razmadze Mathematical Institute
2 Journal of Geometry and Physics
2 Acta Mathematica Vietnamica
2 Journal of Optimization Theory and Applications
2 Journal of Soviet Mathematics
2 Numerical Functional Analysis and Optimization
2 Quaestiones Mathematicae
2 Optimization
2 Mathematical and Computer Modelling
2 Indagationes Mathematicae. New Series
2 Bulletin des Sciences Mathématiques
2 Arab Journal of Mathematical Sciences
2 Nonlinear Functional Analysis and Applications
2 Central European Journal of Mathematics
2 Cubo
2 Proyecciones
2 Communications in Mathematical Analysis
2 Journal of Mathematical Inequalities
2 European Journal of Pure and Applied Mathematics
2 East Asian Mathematical Journal
2 São Paulo Journal of Mathematical Sciences
2 Bulletin of Mathematical Analysis and Applications
2 Advances in Fuzzy Systems
2 ISRN Mathematical Analysis
2 Arabian Journal of Mathematics
2 Palestine Journal of Mathematics
2 Carpathian Mathematical Publications
2 Electronic Journal of Mathematical Analysis and Applications EJMAA
2 International Journal of Analysis
2 Constructive Mathematical Analysis
1 Acta Mathematica Academiae Scientiarum Hungaricae
1 Bulletin of the Australian Mathematical Society
1 Moscow University Mathematics Bulletin
1 Periodica Mathematica Hungarica
1 Rocky Mountain Journal of Mathematics
1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
1 Collectanea Mathematica
...and 54 more Serials
all top 5

Cited in 41 Fields

458 Difference and functional equations (39-XX)
367 General topology (54-XX)
310 Operator theory (47-XX)
165 Functional analysis (46-XX)
47 Ordinary differential equations (34-XX)
31 Integral equations (45-XX)
20 Real functions (26-XX)
14 Partial differential equations (35-XX)
13 Numerical analysis (65-XX)
11 Nonassociative rings and algebras (17-XX)
11 Approximations and expansions (41-XX)
6 Measure and integration (28-XX)
6 Operations research, mathematical programming (90-XX)
5 Algebraic topology (55-XX)
4 Combinatorics (05-XX)
4 Number theory (11-XX)
4 Linear and multilinear algebra; matrix theory (15-XX)
4 Calculus of variations and optimal control; optimization (49-XX)
3 Field theory and polynomials (12-XX)
3 Associative rings and algebras (16-XX)
3 Group theory and generalizations (20-XX)
3 Special functions (33-XX)
3 Dynamical systems and ergodic theory (37-XX)
2 Mathematical logic and foundations (03-XX)
2 Order, lattices, ordered algebraic structures (06-XX)
2 Topological groups, Lie groups (22-XX)
2 Functions of a complex variable (30-XX)
2 Differential geometry (53-XX)
2 Global analysis, analysis on manifolds (58-XX)
2 Probability theory and stochastic processes (60-XX)
1 General and overarching topics; collections (00-XX)
1 History and biography (01-XX)
1 Commutative algebra (13-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Abstract harmonic analysis (43-XX)
1 Integral transforms, operational calculus (44-XX)
1 Computer science (68-XX)
1 Fluid mechanics (76-XX)
1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
1 Biology and other natural sciences (92-XX)
1 Information and communication theory, circuits (94-XX)

Citations by Year