Michal Rams

  1. Multifractal analysis for expanding interval maps with infinitely many branches.

    Authors: Thomas Jordan, Michal Rams, Ai-Hua Fan, Lingmin Liao
    Subjects: Dynamical Systems
    Abstract

    In this paper we investigate multifractal decompositions based on values of
    Birkhoff averages of functions from a class of symbolically continuous
    functions. This will be done for an expanding interval map with infinitely many
    branches and is a generalisation of previous work for expanding maps with
    finitely many branches. We show that there are substantial differences between
    this case and the setting where the expanding map has only finitely many
    branches.

  2. Multifractal analysis for Bedford-McMullen carpets.

    Authors: Thomas Jordan, Michal Rams
    Subjects: Dynamical Systems
    Abstract

    In this paper we compute the multifractal analysis for local dimensions of
    Bernoulli measures supported on the self-affine carpets introduced by
    Bedford-McMullen. This extends the work of King where the multifractal analysis
    is computed with strong additional separation assumptions.

  3. Multifractal analysis for Bedford-McMullen carpets.

    Authors: Thomas Jordan, Michal Rams
    Subjects: Dynamical Systems
    Abstract

    In this paper we compute the multifractal analysis for local dimensions of
    Bernoulli measures supported on the self-affine carpets introduced by
    Bedford-McMullen. This extends the work of King where the multifractal analysis
    is computed with strong additional separation assumptions.

  4. Multifractal analysis of weak Gibbs measures for non-uniformly expanding C^1 maps.

    Authors: Thomas Jordan, Michal Rams
    Subjects: Dynamical Systems
    Abstract

    We consider the local dimension spectrum of a weak Gibbs measure on a C^1
    non-uniformly hyperbolic system of Manneville- Pomeau type. We present the
    spectrum in three ways: using invariant measures, uniformly hyperbolic ergodic
    measures and equilibrium states. We are also proving analyticity of the
    spectrum under additional assumptions. All three presentations are well known
    for smooth uniformly hyperbolic systems.

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