Takip et
Justyna Sikorska
Justyna Sikorska
Institute of Mathematics, University of Silesia, Katowice, Poland
us.edu.pl üzerinde doğrulanmış e-posta adresine sahip
Başlık
Alıntı yapanlar
Alıntı yapanlar
Yıl
Norm derivatives and characterizations of inner product spaces
C Alsina, J Sikorska, MS Tomás
World Scientific, 2010
1272010
Recent developments of the conditional stability of the homomorphism equation
J Brzdęk, W Fechner, MS Moslehian, J Sikorska
Banach journal of mathematical analysis 9 (3), 278-326, 2015
862015
7. Stability of the Orthogonal Additivity
R Ger, J Sikorska
Bulletin of the Polish Academy of Sciences-Mathematics 43 (2), 143-152, 1995
811995
On a direct method for proving the Hyers–Ulam stability of functional equations
J Sikorska
Journal of Mathematical Analysis and Applications 372 (1), 99-109, 2010
492010
A conditional exponential functional equation and its stability
J Brzdęk, J Sikorska
Nonlinear Analysis: Theory, Methods & Applications 72 (6), 2923-2934, 2010
442010
On the Cauchy equation on spheres
R Ger, J Sikorska
Annales Mathematicae Silesianae 11, 89-99, 1997
341997
Hyperstability of the Fréchet equation and a characterization of inner product spaces
A Bahyrycz, J Brzdęk, M Piszczek, J Sikorska
Journal of Function Spaces 2013, 2013
332013
On two conditional Pexider functional equations and their stabilities
J Sikorska
Nonlinear Analysis: Theory, Methods & Applications 70 (7), 2673-2684, 2009
322009
Variations on the Drygas equation and its stability
GL Forti, J Sikorska
Nonlinear Analysis: Theory, Methods & Applications 74 (2), 343-350, 2011
282011
Orthogonalities and functional equations
J Sikorska
Aequationes mathematicae 89, 215-277, 2015
252015
On a Pexiderized conditional exponential functional equation
J Sikorska
Acta Mathematica Hungarica 125 (3), 287-299, 2009
232009
On the stability of orthogonal additivity
W Fechner, J Sikorska
Bulletin of the Polish Academy of Sciences. Mathematics 1 (58), 23-30, 2010
172010
Exponential functional equation on spheres
J Sikorska
Applied Mathematics Letters 23 (2), 156-160, 2010
162010
Alienation of the logarithmic and exponential functional equations
Z Kominek, J Sikorska
132016
Generalized stability of the Cauchy and the Jensen functional equations on spheres
J Sikorska
Journal of mathematical analysis and applications 345 (2), 650-660, 2008
132008
Generalized orthogonal stability of some functional equations
J Sikorska
Journal of Inequalities and Applications 2006, 1-23, 2006
132006
Differentiable solutions of a functional equation related to the non-power means
J Sikorska
aequationes mathematicae 55, 146-152, 1998
131998
Stability of the preservation of the equality of distance
J Sikorska
Journal of mathematical analysis and applications 311 (1), 209-217, 2005
102005
On a method of solving some functional equations for set-valued functions
J Sikorska
Set-Valued and Variational Analysis 27, 295-304, 2019
82019
On a functional equation based upon a result of Gaspard Monge
C Alsina, M Sablik, J Sikorska
Journal of Geometry 85 (1-2), 1-6, 2006
82006
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Makaleler 1–20