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  1. Article

    Open Access

    Effective transport coefficients of anisotropic disordered materials

    A novel effective medium theory for homogenized transport coefficients of anisotropic mixtures of possibly anisotropic materials is developed. Existing theories for isotropic systems cannot be easily extended,...

    R. Hilfer, J. Hauskrecht in The European Physical Journal B (2022)

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  2. No Access

    Chapter and Conference Paper

    Fractional Derivatives in Static and Dynamic Scaling

    A derivative or integral of fractional order is usually defined by analytically continuing a suitable definition of the derivative or integral of integer order n ∈ ℕ to real or complex values of n.

    R. Hilfer in Scale Invariance and Beyond (1997)