Conferences
Invited lectures
Current
Archive

Conferences
Members of our group participated in the following conferences.
2019
 Dorota Głazowska "Embeddability of pairs of weighted quasiarithmetic means into a semiflow"
 Justyna Jarczyk "Gaussian algorithm for mappings built of parametrized means"
 Witold Jarczyk "Generalized Gaussian algorithm"
 Mariusz Sudzik "Iterative functional equations and attractive fixed points"
 Dorota Głazowska
 Justyna Jarczyk
 Witold Jarczyk
 Tomasz Małolepszy "On WalterWeckesser theorem"
 Mariusz Sudzik "The archetypal equation and its solutions attaining the global extremum"
 Tomasz Małolepszy "On BushellOkrasiński inequality"
 Dorota Głazowska "Convexity in the class of weighted quasiarithmetic means"
 Justyna Jarczyk "Generalized Gaussian algorithm"
 Witold Jarczyk "On some simultaneous geometric di↵erence equations"
2018
 Dorota Głazowska "On weighted quasiarithmetic means which are convex"
 Witold Jarczyk "Continuous solutions of some simultaneous difference equations on a restricted domain"
 Justyna Jarczyk "Joining means by iteration"
 Witold Jarczyk "Iterative roots of pairs of weighted quasiarithmetic means and embeddability of such pairs into a semiflow"
 Dorota Głazowska "Invariance of quasiarithmetic mean with respect to a pair of weighted Bajraktarević means"
 Justyna Jarczyk "On symmetry of MakóPáles means"
 Witold Jarczyk "Simultaneous difference equations on a restricted domain"
 Mariusz Sudzik "A problem of G. Derfel and its partial solution"
 Dorota Głazowska "Invariance of quasiarithmetic mean with respect to weighted Bajraktarević meantype mappings"
 Justyna Jarczyk "Joining means by iteration"
 Witold Jarczyk "Embeddability of pairs of weighted quasiarithmetic means in a semiflow"
 Mariusz Sudzik "An equation with rescaling and its solutions attaining an absolute extreme"
 Tomasz Małolepszy "Volterra integral equations in the nonlinear diffusion theory"
2017
 Witold Jarczyk "On weighted quasiarithmetic mean which are convex"
 Martin Himmel "Some properties of Cauchy quotient means"
 Dorota Głazowska "Convex means"
 Justyna Jarczyk "Convex means"
 Witold Jarczyk "Convexity in abelian semigroups"
 Martin Himmel "Cauchy quotient means and their properties"
 Mariusz Sudzik "On a problem of Derfel"
 Dorota Głazowska "Subcommutativity of integral quasiarithmetic means on measure spaces"
 Martin Himmel "Some properties of Cauchy quotient means"
 Justyna Jarczyk "Joining means by iteration"
 Witold Jarczyk "Embeddability of pairs of weighted quasiarithmetic means in a semiflow"
 Janusz Matkowski
 Dorota Głazowska "Embeddability of pairs of weighted quasiarithmetic means in a semiflow"
 Justyna Jarczyk "Embeddability of pairs of weighted quasiarithmetic means in a semiflow"
 Witold Jarczyk "Iterated procedure of joining means"
 Mariusz Sudzik "On a problem of Derfel"
2016
 Dorota Głazowska "Iterative roots of some meantype mappings"
 Justyna Jarczyk "Iterated joining means"
 Witold Jarczyk "On a linear iterative functional equation with commuting given functions"
 Janusz Matkowski "Betatype functions and means"
 Witold Jarczyk "Convex functions in abelian semigroup setting"
 Janusz Matkowski "On some applications of a sandwich theorem"
 Dorota Głazowska "Regularity theorem for a problem of the invariance in the class of Lagrange means"
 Martin Himmel "Betatype functions and means"
 Justyna Jarczyk "Joining means"
 Witold Jarczyk "On some properties of strictly convex functions"
 Janusz Matkowski
 Tomasz Małolepszy "On the translativity of betatype functions"
 Dorota Głazowska "Flows of homographies"
 Justyna Jarczyk "Fractional Iterates of Piecewise Monotonic Functions of Nonmonotonicity Height Not Less than 2 – Part II"
 Witold Jarczyk "Fractional Iterates of Piecewise Monotonic Functions of Nonmonotonicity Height Not Less than 2 – Part I"
2015
 Witold Jarczyk "On some properties of strictly convex functions"
 Dorota Głazowska "Uniformly bounded composition operators in the Banach space of absolutely continuous functions"
 Martin Himmel "Directional convexity and characterizations of Beta and Gamma functions"
 Justyna Jarczyk "Uniform convexity of paranormed generalizations of L^p spaces"
 Janusz Matkowski "Paranormed generalizations of L^p spaces"
 Tomasz Małolepszy "Some results from the theory of blowup solution to a certain class of Volterra integral equation"
 Dorota Głazowska "Subcommuting and commuting real homographic functions"
 Justyna Jarczyk "On marginal joints of means"
 Witold Jarczyk "Convexity in an abelian semigroup setting"
 Janusz Matkowski "Commutativity of integral quasiarithmetic means on probability spaces"
 Tomasz Małolepszy "Blowup solutions to a certain class of Volterra integral equations"
 Dorota Głazowska "Subcommuting real homographic functions"
 Matrin Himmel
 Justyna Jarczyk "Around a problem of Zoltán Daróczy"
 Witold Jarczyk "On some properties of strictly convex functions"
 Tomasz Małolepszy "The application of the Schröder equation in the theory of blowup solutions for Volterra integral equations"
 Janusz Matkowski "Directional convexity and characterizations of Beta and Gamma functions"
2014
 Dorota Głazowska "Commuting real homographic functions"
 Justyna Jarczyk "Parametrized means and their Gauss compositions"
 Witold Jarczyk "Iterative roots of piecewise monotonic functions of nonmonotonicity height not less than 2 revisited"
 Dorota Krassowska "Embeddability of homeomorphisms of the circle in setvalued iteration groups"
 Janusz Matkowski "Homographic commuting functions"
 Łukasz Sadowski "Takagi function as a unique solution of some functional equations"
 Tomasz Małolepszy "Szacowanie czasu wybuchu rozwiązań dla pewnej klasy równań całkowych Volterry  podejście "całkowe""
 Justyna Jarczyk "Uniform convexity of paranormed generalizations of L^p spaces"
 Witold Jarczyk "Convexity and a Stonetype theorem for convex sets in Abelian semigroup setting"
 Dorota Głazowska "Invariance equation involving Matkowski means"
 Justyna Jarczyk "Parametrized means and their Gauss compositions"
 Witold Jarczyk "Convexity on groups" survey talk
 Janusz Matkowski "Invariance formulas for weighted quasiarithmetic means of bounded sequences"
2013
 Dorota Głazowska "Invariance of the quasiarithmetic mean in the class of generalized weighted quasiarithmetic means"
 Justyna Jarczyk "Conditional homogenity and translativity of MakóPáles means"
 Witold Jarczyk "Uniqueness of solutions of simultaneous difference equations"
 Janusz Matkowski "Invariance formula for generalized quasiarithmetic means"
 Justyna Jarczyk "Uniform convexity of finite dimensional paranormed spaces"
 Witold Jarczyk "On some functional equations stemming from probability theory"
 Janusz Matkowski "Continuity of monotonic and homogeneous functions of several variables"
 Dorota Głazowska "Invariance equation involving quasiarithmetic mean and Matkowski means"
 Hideaki Izumi "Formal series solutions of iterative functional equations"
 Justyna Jarczyk "Uniform convexity of paranormed generalizations of L^p spaces"
 Witold Jarczyk "Iterative roots of piecewise monotonic functions revisited"
 Tomasz Małolepszy "Schröder equation and the existence of the blowup solutions of some class of Volterra integral equations"
 Janusz Matkowski "Continuity of means and uniqueness of invariant means"
2012
 Justyna Jarczyk "The convergence of iterates of random meantype mappings"
 Witold Jarczyk "Recent results on iterative roots" survey talk
 Dorota Krassowska "On the embeddability of continuous mappings In shorten iteration semigroups"
 Janusz Matkowski "Iterations of premeantype mappings"
 Tomasz Małolepszy "The analysis of the existence of blowup solutions in some model of superdiffusion"
 Justyna Jarczyk "Random means"
 Witold Jarczyk "Improving regularity of solutions of difference equation"
 Janusz Matkowski "Convergence of iterates of premeantype mapping"
 Tomasz Małolepszy "Blowup solutions in diffusion models"
2011
 Dorota Głazowska "Uniformly bounded composition operators in the space of functions of bounded $\varphi$variation with weight in the sense of Riesz"
 Justyna Jarczyk "On some equality problem connected with conjugate means"
 Witold Jarczyk "Note on an equation occuring in a problem of Nicole BriouetBelluot"
 Justyna Jarczyk "On a functional equation connected with conjugate means"
 Witold Jarczyk "Convexity and almost convexity in Abelian groups"
 Dorota Krassowska "On conjugacy of regular iteration groups with two fixed points"
 Janusz Matkowski "Pointwise monotonicity and generalized subadditive functions"
 Janusz Matkowski "Generalized subadditive function  monotonicity and periodicity"
2010
 Justyna Jarczyk "Iterative roots of piecewise monotonic functions of nonmonotonicity height not less than 2, part II"
 Witold Jarczyk "Iterative roots of piecewise monotonic functions of nonmonotonicity height not less than 2, part I"
 Dorota Krassowska "On C^1 iteration groups with two fixed points"
 Janusz Matkowski "Meantype mappings and invariant curves"
 Justyna Jarczyk "On an equation involving weighted quasiarithmetic means"
 Witold Jarczyk "On a functional equation in probability theory"
 Janusz Matkowski
2009
 Janusz Matkowski "On composition operators"
 Dorota Głazowska "An invariance of the geometric mean with respect to the Cauchy meantype mappings"
 Dorota Krassowska "On iteration semigroups containing generalized convex and concave functions"
2008
 Janusz Matkowski "A converse of Hölder inequality theorem"
 Justyna Jarczyk "Regularity theorem for a functional equation involving means"
 Witold Jarczyk "Convex functions and almost convex functions on Abelian groups"
 Janusz Matkowski "On invariant means"
 Justyna Jarczyk "On an equation involving weighted quasiarithmetic means with continuous generators"
 Witold Jarczyk "Iterative roots of mappings with a unique setvalue point"
 Dorota Krassowska "On the embeddability of commuting continuous injections in an iteration semigroup"
 Janusz Matkowski "Invariance of means with two generators with respect to some onegenerator means"
 Dorota Głazowska "An invariance of the geometric mean in the class of Cauchy means"
 Justyna Jarczyk "On an equation involving weighted quasiarithmetic means"
 Witold Jarczyk "Iterability in a class of meantype mappings"
 Dorota Krassowska "On iteration groups containing generalized convex and concave functions"
 Janusz Matkowski "Iterations of the meantype mappings"
2007
 Janusz Matkowski "On a generalization of Lagrange and Cauchy meanvalue theorems"
 Justyna Jarczyk "Invariance in the class of Bajraktarević means"
 Witold Jarczyk "Convexity and almost convexity on Abelian groups"
 Witold Jarczyk "On stability of random variables via functional equations"
 Dorota Krassowska "On simultaneous Abel's functional inequalities"
 Janusz Matkowski "Jensen functional equation and uniformly continuous Nemytskii operators"
 Janusz Matkowski "Uniformly continuous Nemytskii operators in some function spaces"
2006
 Janusz Matkowski "On a generalized GołąbSchinzel equation"
 Dorota Głazowska "An invariance of geometric mean with respect to Lagrangean means"
 Justyna Jarczyk "Invariance in the class of quasiarithmetic means with function weights"
 Witold Jarczyk "Almost convex functions on Abelian groups"
 Dorota Krassowska "On a nonlinear simultaneous system of functional inequalities"
 Janusz Matkowski "On extension of solutions of simultaneous systems of functional equations"
 Witold Jarczyk "On a problem of N. BrillouëtBelluot"
 Janusz Matkowski "Simultaneous system of functional equations and commuting functions"
 Witold Jarczyk "Continuity of semiflows"
 Dorota Krassowska "Iteration groups and commuting functions in the space R^n"
 Janusz Matkowski "Simultaneous system of functional equations and commuting functions"
 Janusz Matkowski "On Lipschitzian Nemytskii operators"
 Janusz Matkowski "Iteration of means"
2005
 Dorota Głazowska "Invariance of the geometric mean with respect to Lagrangean conditionally homogeneous meantype mappings"
 Justyna Jarczyk "Invariance in the class of weighted quasiarithmetic means with continuous generators"
 Witold Jarczyk "Convexity on Abelian groups"
 Dorota Krassowska "On a system of functional inequalities of iterative type"
 Janusz Matkowski "On a generalized GołąbSchinzel functional equation"
 Dorota Krassowska "A pair of functional inequalities of iterative type characterizing polynomials"
 Witold Jarczyk "Also setvalued functions do not like iterative roots"
 Janusz Matkowski "On generalized Jensen functions"
2004
 Witold Jarczyk "On continuity of solutions to some equations of iteration theory"
 Janusz Matkowski
 Dorota Krassowska "A system of functional inequalities of iterative type and a characterization of affine functions in R^n"
 Witold Jarczyk "Nonnegative solutions of some linear iterative equations, part I"
 Janusz Matkowski "Embedding of Cauchy mean into family of weighted means"
