54th International Symposium
on Functional Equations

June 12-19, 2016
Hajdúszoboszló, Hungary
54th International Symposium on Functional Equations
June 12-19, 2016, Hajdúszoboszló, Hungary

List of Talks

  1. Jose Maria ALMIRA, On Popoviciu-Ionescu functional equation,
  2. Roman BADORA, Stability and functional analysis,
  3. Anna BAHYRYCZ, Stability and hyperstability of some functional equation on restricted domain,
  4. Karol BARON, Lipschitzian solutions to inhomogeneous linear iterative equations,
  5. Mihály BESSENYEI, Linear functional equations involving finite substitutions,
  6. Zoltán BOROS, Conditional equations for quadratic functions,
  7. Janusz BRZDĘK, Stability of a pexiderized $\sigma$-quadratic functional equation on semigroups,
  8. Pál BURAI, On certain Schur-convex functions,
  9. Xingwu CHEN, Planar quadratic degree-preserving maps and their iteration,
  10. Jacek CHMIELIŃSKI, Operators reversing orthogonality,
  11. Jacek CHUDZIAK, Positive homogeneity of the principle of equivalent utility,
  12. Krzysztof CIEPLIŃSKI, On a functional equation characterizing multi-Cauchy-Jensen mappings and its stability,
  13. Włodzimierz FECHNER, A functional equation motivated by a trigonometric identity,
  14. Żywilla FECHNER, Sine functions on hypergroups,
  15. Gian Luigi FORTI, Some results about an alternative quadratic functional equation,
  16. Harald FRIPERTINGER, On a functional equation by Th. Rassias,
  17. Roman GER, Mazur's type problem for convexity of higher order,
  18. Attila GILÁNYI, On conditionally polynomial functions,
  19. Dorota GŁAZOWSKA, Regularity theorem for a problem of the invariance in the class of Lagrange means,
  20. Moshe GOLDBERG, Computing the radius in matrix algebras,
  21. Martin HIMMEL, Beta-type functions and means,
  22. László HORVÁTH, New versions of weighted multidimensional functional and Stolarsky means,
  23. Hideaki IZUMI, Dimensioned numbers and functional equations,
  24. Eliza JABŁOŃSKA, Some analogies between Haar meager sets and Haar null sets,
  25. Wojciech JABŁOŃSKI, Algebraic approach to iterations in formal power series rings,
  26. Justyna JARCZYK, Joining means,
  27. Witold JARCZYK, On some properties of strictly convex functions,
  28. Gwang Hui KIM, The stability of the functional equation related to measures: a fixed point approaching,
  29. Gergely KISS, A characterization of associative, idempotent, non-decreasing functions with neutral elements,
  30. Tibor KISS, Reducible means and reducible convexity properties,
  31. Zdeněk KOČAN, Gołąb-Schinzel equation on cylinders,
  32. Paolo LEONETTI, Upper densities have the Darboux property,
  33. Zbigniew LEŚNIAK, On the topological conjugacy of flows of Brouwer homeomorphisms,
  34. Liu LIU, Discontinuous function with continuous second iterate,
  35. Radosław ŁUKASIK, The form of multi-additive and symmetric functions,
  36. Judit MAKÓ, On strongly convex functions,
  37. Gyula MAKSA, The dilogarithm function,
  38. Tomasz MAŁOLEPSZY, On the translativity of beta-type functions,
  39. Fruzsina MÉSZÁROS, Further results on a multiplicative type functional equation,
  40. Lajos MOLNÁR, Commutativity in operator algebras,
  41. Janusz MORAWIEC, Lipschitzian solutions to inhomogeneous linear iterative equations revisited,
  42. Gergő NAGY, Isometries on structures of Hilbert space operators,
  43. Kazimierz NIKODEM, Multifunctions in the theory of functional equations,
  44. Andrzej OLBRYŚ, Support theorems in abstract setting II,
  45. Zsolt PÁLES, Support theorems in abstract setting I,
  46. Paweł PASTECZKA, Estimating the distance among quasi-arithmetic means: the journey so far,
  47. Magdalena PISZCZEK, Inclusions and stabilities,
  48. Anna Bella POPOVICS, Convex structures induced by Chebyshev systems,
  49. Teresa RAJBA, A solution to the problem of Rașa connected with Bernstein polynomials,
  50. Ludwig REICH, Deviation from commutativity in the Möbius group,
  51. Maciej SABLIK, Speed of light,
  52. Ekaterina SHULMAN, On polynomial functions on non-commutative groups,
  53. Justyna SIKORSKA, A method of solving some functional equations for set-valued functions,
  54. Jaroslav SMÍTAL, Generalized Dhombres equation in the real case - completed program?,
  55. Marta ŠTEFÁNKOVÁ, On generic and dense chaos for maps induced on hyperspaces,
  56. Henrik STETKAER, An extension of the cosine addition law,
  57. László SZÉKELYHIDI, Functional equations on affine groups,
  58. Éva SZÉKELYNÉ RADÁCSI, A new characterization of convexity with respect to Chebyshev systems,
  59. Patrícia SZOKOL, Trace and determinant preserving maps,
  60. Tomasz SZOSTOK, Functional inequalities connected with numerical differentiation,
  61. Imke TOBORG, Algebraic conditions for the stability of the Cauchy functional equation,
  62. Jörg TOMASCHEK, Normal forms of functional-differential equations of Beardon type in the complex domain,
  63. Adrienn VARGA, On the generalization of a theorem due to Z. Daróczy,
  64. Csaba VINCZE, On the discrete Pompeiu problem,
  65. Peter VOLKMANN, Existence and uniqueness of the solution of a functional equation by means of a fixed point theorem for monotone operators,
  66. Szymon WĄSOWICZ, Hermite-Hadamard-type inequalities for convex set-valued functions,
  67. Paweł WÓJCIK, On functional equation $f(p(x))=f(x)$ and invariant subspaces,
  68. Marek Cezary ZDUN, On regularny varying solutions of Schröder equation,
  69. Weinian ZHANG, Find all iterative roots for PM functions of height 1,
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