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Czerwik, Stefan

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Author ID: czerwik.stefan Recent zbMATH articles by "Czerwik, Stefan"
Published as: Czerwik, S.; Czerwik, St.; Czerwik, Stefan
Documents Indexed: 74 Publications since 1968, including 1 Book
Reviewing Activity: 157 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

38 Publications have been cited 1,149 times in 865 Documents Cited by Year
Contraction mappings in \(b\)-metric spaces. Zbl 0849.54036
Czerwik, S.
285
1993
Functional equations and inequalities in several variables. Zbl 1011.39019
Czerwik, Stefan
241
2002
On the stability of the quadratic mapping in normed spaces. Zbl 0779.39003
Czerwik, St.
236
1992
Nonlinear set-valued contraction mappings in \(b\)-metric spaces. Zbl 0920.47050
Czerwik, S.
173
1998
Ulam-Hyers-Rassias stability of functional equations. Zbl 1382.39036
Czerwik, Stefan; Król, Krzysztof
42
2009
Round-off stability of iteration procedures for operators in \(b\)-metric spaces. Zbl 0968.54031
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
28
1997
\((\alpha, \psi)\)-Meir-Keeler contraction mappings in generalized \(b\)-metric spaces. Zbl 1398.54074
Karapinar, Erdal; Czerwik, Stefan; Aydi, Hassen
17
2018
Coincidences and fixed points of hybrid contractions. Zbl 1175.54063
Singh, Shyam Lal; Czerwik, Stefan; Król, Krzysztof; Singh, Abha
17
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.
10
2001
Ulam stability of functional equations. Zbl 1175.39017
Czerwik, Stefan; Król, Krzysztof
7
2009
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
Superstability of the equation of quadratic functionals in \(L^p\)-spaces. Zbl 1062.39030
Czerwik, Stefan; Dłutek, Krzysztof
4
2002
On the stability of the homogeneous mapping. Zbl 0795.39006
Czerwik, Stefan
4
1992
Solutions of a system of functional equations in special class functions. Zbl 0361.39001
Czerwik, S.
4
1976
On the global existence of solutions of a functional-differential equation. Zbl 0322.34050
Czerwik, Stefan
4
1975
Fixed point theorems in generalized b-metric spaces. Zbl 1402.54036
Aydi, Hassen; Czerwik, Stefan
3
2018
Quadratic difference operators in \(L^p\)-spaces. Zbl 1058.39019
Czerwik, Stefan; Dłutek, Krzysztof
3
2004
On the continuous dependence of solutions of some functional equations on given functions. Zbl 0216.13104
Czerwik, S.
3
1971
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
A general Baker superstability criterion for the D’Alembert functional equation. Zbl 1135.39012
Czerwik, Stefan; Przybyła, Maciej
2
2007
Cauchy and Pexider operators in some function spaces. Zbl 1059.39012
Czerwik, Stefan; Dłutek, Krzysztof
2
2003
Mulvi-valued contraction mappings in metric spaces. Zbl 0385.54027
Czerwik, Stefan
2
1977
Some inequalities, characteristic roots of a matrix and Edelstein’s fixed point theorem. Zbl 0347.15006
Czerwik, S.
2
1976
Special solutions of a functional equation. Zbl 0308.39002
Czerwik, S.
2
1975
Quadratic operators and quadratic functional equation. Zbl 1248.39020
Adam, M.; Czerwik, S.
1
2012
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
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
Generalization of Edelstein’s fixed point theorem. Zbl 0351.54038
Czerwik, Stefan
1
1976
On the unbounded and continuous solutions of a system of functional equations. Zbl 0324.39002
Czerwik, Stefan
1
1975
On the differentiability of solutions of a functional equation with respect to a parameter. Zbl 0221.39003
Czerwik, S.
1
1971
\((\alpha, \psi)\)-Meir-Keeler contraction mappings in generalized \(b\)-metric spaces. Zbl 1398.54074
Karapinar, Erdal; Czerwik, Stefan; Aydi, Hassen
17
2018
Fixed point theorems in generalized b-metric spaces. Zbl 1402.54036
Aydi, Hassen; Czerwik, Stefan
3
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
42
2009
Ulam stability of functional equations. Zbl 1175.39017
Czerwik, Stefan; Król, Krzysztof
7
2009
Coincidences and fixed points of hybrid contractions. Zbl 1175.54063
Singh, Shyam Lal; Czerwik, Stefan; Król, Krzysztof; Singh, Abha
17
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
241
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.
10
2001
Nonlinear set-valued contraction mappings in \(b\)-metric spaces. Zbl 0920.47050
Czerwik, S.
173
1998
Round-off stability of iteration procedures for operators in \(b\)-metric spaces. Zbl 0968.54031
Czerwik, Stefan; Dlutek, Krzysztof; Singh, S. L.
28
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.
285
1993
On the stability of the quadratic mapping in normed spaces. Zbl 0779.39003
Czerwik, St.
236
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 803 Authors

95 Park, Choonkil
55 Eshaghi Gordji, Madjid
43 Jung, Soon-Mo
35 Radenovic, Stojan
28 Najati, Abbas
27 Lee, Jung-Rye
27 Rassias, John Michael
27 Rassias, Themistocles Michael
26 Aydi, Hassen
26 Brzdęk, Janusz
23 Karapınar, Erdal
22 Hussain, Nawab
22 Parvaneh, Vahid
21 Kim, Hark-Mahn
20 Cho, Yeol Je
19 Khodaei, Hamid
19 Lee, Yang-Hi
17 Kadelburg, Zoran
17 Shin, Dong-Yun
16 Saadati, Reza
16 Sintunavarat, Wutiphol
15 Bodaghi, Abasalt
15 Moslehian, Mohammad Sal
15 Nguyen Van Dung
13 Kumam, Poom
12 Roshan, Jamal Rezaei
11 Ebadian, Ali
11 El-Fassi, Iz-Iddine
11 Huang, Huaping
11 Kabbaj, Samir
11 Lee, Young-Su
11 Mitrović, Zoran D.
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
9 Ansari, Arslan Hojat
9 Ghaemi, Mohammad Bagher
9 Vo Thi Le Hang
8 Arshad, Muhammad Sarmad
8 Czerwik, Stefan
8 Jang, Sunyoung
8 Samet, Bessem
8 Sarwar, Muhammad
7 Abbas, Mujahid
7 Agarwal, Ravi P.
7 Chung, Jaeyoung
7 Ciepliński, Krzysztof
7 Mlaiki, Nabil M.
7 Park, Wongil
7 Petruşel, Adrian
7 Singh, Deepak Kumar
6 Bae, Jae-Hyeong
6 Chahbi, Abdellatif
6 Chang, Ick-Soon
6 de la Sen, Manuel
6 Găvruţă, Paşc
6 Kenary, H. Azadi
6 Kim, Sang Og
6 Mohanta, Sushanta Kumar
6 Nashine, Hemant Kumar
6 Nazam, Muhammad
6 Petruşel, Gabriela
6 Postolache, Mihai
6 Rassias, Michael Th.
6 Vetro, Calogero
6 Zhu, Chuanxi
5 Abdeljawad, Thabet
5 Alizadeh, Badrkhan
5 Almahalebi, Muaadh
5 Ameer, Eskandar
5 Arshad, Muhammad Junaid
5 Bota, Monica-Felicia
5 Chen, Chunfang
5 Jung, Yong-Soo
5 Kamran, Tayyab
5 Lee, Juri
5 Li, Yongjin
5 Majani, Hamid
5 Mustafa, Zead
5 Sadeghi, Ghadir
5 Senthil Kumar, B. V.
5 Yamaod, Oratai
4 Ali, Basit
4 Ali, Muhammad Usman
4 Alias, Idham Arif
4 Alizadeh, Zahra
4 Bahyrycz, Anna
4 Charifi, Ahmed
4 Deng, Guantie
4 Dey, Lakshmi Kanta
4 Došenović, Tatjana
4 Fulga, Andreea
4 Ghobadipour, Norouz
4 Imdad, Mohammad
4 Jin, Sunsook
4 Jleli, Mohamed
...and 703 more Authors
all top 5

Cited in 146 Serials

66 Abstract and Applied Analysis
66 Fixed Point Theory and Applications
63 Journal of Inequalities and Applications
59 Journal of Mathematical Analysis and Applications
43 Journal of Fixed Point Theory and Applications
34 Advances in Difference Equations
32 Journal of Function Spaces
24 Journal of Nonlinear Science and Applications
18 Aequationes Mathematicae
16 Results in Mathematics
15 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
14 Applied Mathematics Letters
14 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
14 Journal of Linear and Topological Algebra
13 Applied Mathematics and Computation
13 Acta Mathematica Sinica. English Series
13 Mathematical Sciences
11 Symmetry
10 Journal of Mathematics
9 Discrete Dynamics in Nature and Society
9 Nonlinear Analysis. Modelling and Control
7 Computers & Mathematics with Applications
7 International Journal of Mathematics and Mathematical Sciences
7 Rendiconti del Circolo Matemàtico di Palermo. Serie II
7 Mediterranean Journal of Mathematics
7 Tbilisi Mathematical Journal
7 Sahand Communications in Mathematical Analysis
7 Korean Journal of Mathematics
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 Acta Mathematica Hungarica
4 Journal of Mathematical Physics
4 Demonstratio Mathematica
4 Applied Mathematics and Mechanics. (English Edition)
4 Journal of Function Spaces and Applications
4 Asian-European Journal of Mathematics
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 Georgian Mathematical Journal
3 Journal of Difference Equations and Applications
3 Banach Journal of Mathematical Analysis
3 Acta Universitatis Sapientiae. Mathematica
3 Afrika Matematika
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 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 Applied Mathematics E-Notes
2 Central European Journal of Mathematics
2 Boletim da Sociedade Paranaense de Matemática. Terceira Série
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 Applied General Topology
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
1 Czechoslovak Mathematical Journal
1 Glasgow Mathematical Journal
1 Journal of Computational and Applied Mathematics
1 The Journal of the Indian Mathematical Society. New Series
...and 46 more Serials
all top 5

Cited in 40 Fields

458 Difference and functional equations (39-XX)
315 General topology (54-XX)
285 Operator theory (47-XX)
170 Functional analysis (46-XX)
45 Ordinary differential equations (34-XX)
26 Integral equations (45-XX)
18 Real functions (26-XX)
13 Partial differential equations (35-XX)
13 Numerical analysis (65-XX)
11 Nonassociative rings and algebras (17-XX)
10 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 Special functions (33-XX)
3 Dynamical systems and ergodic theory (37-XX)
2 Order, lattices, ordered algebraic structures (06-XX)
2 Group theory and generalizations (20-XX)
2 Topological groups, Lie groups (22-XX)
2 Functions of a complex variable (30-XX)
2 Several complex variables and analytic spaces (32-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 Abstract harmonic analysis (43-XX)
1 Integral transforms, operational calculus (44-XX)
1 Differential geometry (53-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