# zbMATH — the first resource for mathematics

Compute Distance To:
 Documents Indexed: 33 Publications since 1991
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#### Co-Authors

 20 single-authored 6 Przebieracz, Barbara 4 Volkmann, Peter 3 Brzdęk, Janusz 2 Ger, Roman 2 Páles, Zsolt 1 Chmieliński, Jacek 1 Kochanek, Tomasz 1 Székelyhidi, László
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#### Serials

 6 Aequationes Mathematicae 4 Journal of Mathematical Analysis and Applications 2 Archiv der Mathematik 2 Publicationes Mathematicae 2 Results in Mathematics 2 JIPAM. Journal of Inequalities in Pure & Applied Mathematics 1 Annales Polonici Mathematici 1 Funkcialaj Ekvacioj. Serio Internacia 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Prace Naukowe Uniwersytetu Śląskiego w Katowicach. Annales Mathematicae Silesianae 1 Facta Universitatis. Series Mathematics and Informatics 1 Georgian Mathematical Journal 1 Journal of Difference Equations and Applications 1 Mathematical Inequalities & Applications 1 Annales Mathematicae Silesianae 1 The ANZIAM Journal 1 Rocznik Naukowo-Dydaktyczny. Prace Matematyczne
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#### Fields

 29 Difference and functional equations (39-XX) 9 Abstract harmonic analysis (43-XX) 3 Group theory and generalizations (20-XX) 3 Functional analysis (46-XX) 3 Operator theory (47-XX) 2 General topology (54-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Real functions (26-XX)

#### Citations contained in zbMATH Open

30 Publications have been cited 217 times in 158 Documents Cited by Year
On approximate derivations. Zbl 1093.39024
2006
On approximate ring homomorphisms. Zbl 1014.39020
2002
On some trigonometric functional inequalities. Zbl 1010.39012
2002
On some generalized invariant means and their application to the stability of the Hyers-Ulam type. Zbl 0787.43003
1993
On a joint generalization of Cauchy’s and d’Alembert’s functional equations. Zbl 0763.39003
1992
On Hyers-Ulam stability of Wilson’s functional equation. Zbl 0986.39016
2000
Decomposition of mappings approximately inner product preserving. Zbl 1091.39005
2005
Additive selections and the stability of the Cauchy functional equation. Zbl 1037.39008
Badora, Roman; Ger, Roman; Páles, Zsolt
2003
On the stability of the cosine functional equation. Zbl 1159.39313
1998
A note on a fixed point theorem and the Hyers-Ulam stability. Zbl 1254.39012
2012
On the Hahn–Banach theorem for groups. Zbl 1106.46008
2006
Fixed points of a mapping and Hyers-Ulam stability. Zbl 1311.39035
2014
Note on the superstability of the Cauchy functional equation. Zbl 0973.39021
2000
On the stability of a functional equation for generalized trigonometric functions. Zbl 0976.39029
2000
On Tabor groupoids and stability of some functional equations. Zbl 1297.39025
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2014
On the separation with $$n$$-additive functions. Zbl 0883.43004
1997
On the d’Alembert type functional equation in Hilbert algebras. Zbl 1142.39316
2000
Stability of the Pexider functional equation. Zbl 1228.39023
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2011
Stability properties of some functional equations. Zbl 1247.39027
2011
Monomial selections of set-valued maps. Zbl 0964.39020
Badora, Roman; Páles, Zsolt; Székelyhidi, László
1999
Invariant means, set ideals and separation theorems. Zbl 1082.43001
2005
On some generalized invariant means and almost approximately additive functions. Zbl 0841.43004
1994
On approximate group homomorphisms. Zbl 1390.39097
2018
On a generalized Wilson functional equation. Zbl 1098.39017
2005
On generalized invariant means and separation theorems. Zbl 1131.39024
2006
On an invariant mean for $${\mathcal J}$$-essentially bounded functions. Zbl 0777.43001
1991
On approximately additive functions. Zbl 0820.39013
1994
The Hahn-Banach theorem almost everywhere. Zbl 1352.46004
2016
Approximate homomorphisms on lattices. Zbl 1448.39043
Badora, Roman; Kochanek, Tomasz; Przebieracz, Barbara
2018
More on Hyers’ theorem. Zbl 1353.39025
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2017
On approximate group homomorphisms. Zbl 1390.39097
2018
Approximate homomorphisms on lattices. Zbl 1448.39043
Badora, Roman; Kochanek, Tomasz; Przebieracz, Barbara
2018
More on Hyers’ theorem. Zbl 1353.39025
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2017
The Hahn-Banach theorem almost everywhere. Zbl 1352.46004
2016
Fixed points of a mapping and Hyers-Ulam stability. Zbl 1311.39035
2014
On Tabor groupoids and stability of some functional equations. Zbl 1297.39025
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2014
A note on a fixed point theorem and the Hyers-Ulam stability. Zbl 1254.39012
2012
Stability of the Pexider functional equation. Zbl 1228.39023
Badora, Roman; Przebieracz, Barbara; Volkmann, Peter
2011
Stability properties of some functional equations. Zbl 1247.39027
2011
On approximate derivations. Zbl 1093.39024
2006
On the Hahn–Banach theorem for groups. Zbl 1106.46008
2006
On generalized invariant means and separation theorems. Zbl 1131.39024
2006
Decomposition of mappings approximately inner product preserving. Zbl 1091.39005
2005
Invariant means, set ideals and separation theorems. Zbl 1082.43001
2005
On a generalized Wilson functional equation. Zbl 1098.39017
2005
Additive selections and the stability of the Cauchy functional equation. Zbl 1037.39008
Badora, Roman; Ger, Roman; Páles, Zsolt
2003
On approximate ring homomorphisms. Zbl 1014.39020
2002
On some trigonometric functional inequalities. Zbl 1010.39012
2002
On Hyers-Ulam stability of Wilson’s functional equation. Zbl 0986.39016
2000
Note on the superstability of the Cauchy functional equation. Zbl 0973.39021
2000
On the stability of a functional equation for generalized trigonometric functions. Zbl 0976.39029
2000
On the d’Alembert type functional equation in Hilbert algebras. Zbl 1142.39316
2000
Monomial selections of set-valued maps. Zbl 0964.39020
Badora, Roman; Páles, Zsolt; Székelyhidi, László
1999
On the stability of the cosine functional equation. Zbl 1159.39313
1998
On the separation with $$n$$-additive functions. Zbl 0883.43004
1997
On some generalized invariant means and almost approximately additive functions. Zbl 0841.43004
1994
On approximately additive functions. Zbl 0820.39013
1994
On some generalized invariant means and their application to the stability of the Hyers-Ulam type. Zbl 0787.43003
1993
On a joint generalization of Cauchy’s and d’Alembert’s functional equations. Zbl 0763.39003
1992
On an invariant mean for $${\mathcal J}$$-essentially bounded functions. Zbl 0777.43001
1991
all top 5