Janusz Brzdęk

Best Publications

• On Some Recent Developments in Ulam′s Type Stability

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  196
  Citations

• A fixed point approach to stability of functional equations

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  186
  Citations

• Hyperstability of the Cauchy equation on restricted domains

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  134
  Citations

• Recent developments of the conditional stability of the homomorphism equation

  Janusz Brzdęk;Włodzimierz Fechner;Mohammad Sal Moslehian;Justyna Sikorska

  130
  Citations

• A fixed point approach to the stability of functional equations in non-Archimedean metric spaces

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  127
  Citations

• Hyperstability and Superstability

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  127
  Citations

• Fixed Point Theory and the Ulam Stability

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  83
  Citations

• A HYPERSTABILITY RESULT FOR THE CAUCHY EQUATION

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  81
  Citations

• Remarks on hyperstability of the Cauchy functional equation

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  62
  Citations

• The Hyers–Ulam stability of nonlinear recurrences

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  60
  Citations

• Stability of additivity and fixed point methods

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  55
  Citations

• The Gołab–Schinzel equation and its generalizations

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  53
  Citations

• Remarks on stability of linear recurrence of higher order

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  51
  Citations

• On Ulam’s Type Stability of the Linear Equation and Related Issues

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  49
  Citations

• Fixed-point results and the Hyers–Ulam stability of linear equations of higher orders

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  48
  Citations

• On a fixed point theorem in 2-Banach spaces and some of its applications

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  42
  Citations

• Hyers-Ulam stability for linear equations of higher orders

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  40
  Citations

• Stability of the equation of the p-Wright affine functions

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  39
  Citations

• A fixed point theorem and the Ulam stability in generalized dq-metric spaces

  Janusz Brzdęk;Erdal Karapınar;Adrian Petruşel

  35
  Citations

• A Note on Stability of an Operator Linear Equation of the Second Order

  Janusz Brzdȩk;Soon-Mo Jung

  33
  Citations