ZAKŁAD RÓWNAŃ FUNKCYJNYCH
Instytut Matematyki
Uniwersytet Śląski

ENG

Radosław Łukasik - Spis publikacji

  1. A note on the mutual independence of the properties in the characterization of R-implications generated from left-continuous t-norms, Fuzzy Sets and Systems 161 (2010), No. 24, 3148-3154, DOI: 10.1016/j.fss.2010.04.020.
  2. Some generalization of Cauchy's and the quadratic functional equations, Aequationes Mathematicae 83 (2012), No. 1, 75-86, DOI: 10.1007/s00010-011-0106-x .
  3. Some generalization of the quadratic and Wilson's functional equation, Aequationes Mathematicae 87 (2014), No. 1, 105-123, DOI: 10.1007/s00010-013-0185-y.
  4. A note on the mutual independence of the properties in the characterization of residual fuzzy implications derived from left-continuous uninorms, Information Sciences 260 (2014), 209-214, DOI: 10.1016/j.ins.2013.11.002.
  5. The stability of some generalization of the quadratic functional equation, Georgian Mathematical Journal 21 (2014), No. 4, 463-474, DOI: 10.1515/gmj-2014-0048.
  6. Some generalization of Cauchy's and Wilson's functional equations on abelian groups, Aequationes Mathematicae 89 (2015), No. 3, 591-603, DOI: 10.1007/s00010-013-0244-4.
  7. (z P. Wójcik) Decomposition of two functions in the orthogonality equation, Aequationes Mathematicae 90 (2016), No. 3, 495-499, DOI: 10.1007/s00010-015-0385-8
  8. A note on the orthogonality equation with two functions, Aequationes Mathematicae 90 (2016), No. 5, 961-965, DOI: 10.1007/s00010-016-0419-x.
  9. (z J. Chmieliński, P. Wójcik) On the stability of the orthogonality equation and the orthogonality-preserving property with two unknown functions, Banach Journal of Mathematical Analysis 10 (2016), No. 4, 828-847, DOI: 10.1215/17358787-3649656.
  10. Invariant means on Banach spaces, Annales Mathematicae Silesianae 31 (2017), 127-140, DOI: 10.1515/amsil-2016-0014.
  11. K-spherical functions on abelian semigroups, Bulletin of the Australian Mathematical Society 96 (2017), No. 3, 479-486, DOI: 10.1017/S0004972717000417.
  12. The stability of some generalization of the quadratic and Wilson's functional equations, Georgian Mathematical Journal 24 (2017), No. 4, 545-568, DOI: 10.1515/gmj-2016-0046.
  13. Some orthogonality equation with two functions, Miskolc Mathemacial Notes 18 (2017), No. 2, 953-960, DOI: 10.18514/MMN.2017.2080.
  14. (z M. Almahalebi, A. Charifi) Hyers-Ulam stability for a special class of functional equations, Facta Universitatis, Series: Mathematics and Informatics 32 (2017), No. 5, 715-727, DOI: 10.22190/FUMI1705715C.
  15. (z A. Charifi, D. Zeglami) A special class of functional equations, Mathematica Slovaca 68 (2018), No. 2, 397-404, DOI: 10.1515/ms-2017-0110.
  16. (z J. Sikorska, T. Szostok), On an equation of Sophie Germain, Results in Mathematics 73: 60 (2018), No. 2, DOI: 10.1007/s00025-018-0820-y.
  17. A note on functional equations connected with the Cauchy mean value theorem, Aequationes Mathematicae 92 (2018), No. 5, 935-947, DOI :10.1007/s00010-018-0583-2.
  18. (z R. Kucharski), The form of multi-additive symmetric functions, Results in Mathematics 73: 150 (2018), No. 4, DOI :10.1007/s00025-018-0911-9.

Prace przyjęte do druku

  1. (z P. Wójcik), Functions preserving the biadditivity, Results in Mathematics.

Prace wysłane do czasopism

[STRONA GŁÓWNA] [ZAKŁAD RÓWNAŃ FUNKCYJNYCH]