Janusz Brzdek

According to our database, Janusz Brzdek authored at least 15 papers between 2010 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2023

Remarks on Approximate Solutions to Difference Equations in Various Spaces.

Janusz Brzdek

Symmetry, October, 2023

On Ulam Stability with Respect to 2-Norm.

Janusz Brzdek

Symmetry, September, 2023

2022

Ulam Stability of a General Linear Functional Equation in Modular Spaces.

Issam Aboutaib, Chaimaa Benzarouala, Janusz Brzdek, Zbigniew Lesniak, Lahbib Oubbi

Symmetry, November, 2022

On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey II.

El-Sayed El-Hady, Janusz Brzdek

Symmetry, 2022

On Solutions and Stability of Stochastic Functional Equations Emerging in Psychological Theory of Learning.

Ali Turab, Janusz Brzdek, Wajahat Ali

Axioms, 2022

2021

On the Stability of a Generalized Fréchet Functional Equation with Respect to Hyperplanes in the Parameter Space.

Janusz Brzdek, Zbigniew Lesniak, Renata Malejki

Symmetry, 2021

On Ulam Stability of Functional Equations in 2-Normed Spaces - A Survey.

Anna Bahyrycz, Janusz Brzdek, El-Sayed El-Hady, Zbigniew Lesniak

Symmetry, 2021

Applications of Banach Limit in Ulam Stability.

Roman Badora, Janusz Brzdek, Krzysztof Cieplinski

Symmetry, 2021

2020

On the Continuous Cancellative Semigroups on a Real Interval and on a Circle and Some Symmetry Issues.

Mariusz Bajger, Janusz Brzdek, El-Sayed El-Hady, Eliza Jablonska

Symmetry, 2020

2016

On approximate solutions of some delayed fractional differential equations.

Janusz Brzdek, Nasrin Eghbali

Appl. Math. Lett., 2016

Stability for a family of equations generalizing the equation of p-Wright affine functions.

Janusz Brzdek, Liviu Cadariu

Appl. Math. Comput., 2016

2014

Remarks on stability and non-stability of the linear functional equation of the first order.

Janusz Brzdek, Dorian Popa, Bing Xu

Appl. Math. Comput., 2014

2012

Remarks on the Hyers-Ulam stability of some systems of functional equations.

Janusz Brzdek, Krzysztof Cieplinski

Appl. Math. Comput., 2012

2011

Note on nonstability of the linear functional equation of higher order.

Janusz Brzdek, Dorian Popa, Bing Xu

Comput. Math. Appl., 2011

2010

Remarks on stability of linear recurrence of higher order.

Janusz Brzdek, Dorian Popa, Bing Xu

Appl. Math. Lett., 2010