Tag: Sierpinski gasket

On Finitely Ramified Fractals and Their Extensions

Post author By R Hilfer
Post date July 11, 1985

R. Hilfer, A. Blumen

in: Fractals in Physics
edited by: L. Pietronero and E. Tosatti
Elsevier Publishing Co., Amsterdam, 33 (1986)

submitted on
Thursday, July 11, 1985

We construct deterministic fractal lattices using generators with tetrahedral symmetry. From the corresponding master equation we determine the spectral dimension d and prove that d<2. Furthermore we extend our set of fractals (with d dense in [1,2]) by direct multiplication, thus obtaining fractals whose d are dense for all real numbers larger than or equal to 1 .

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Tags Anomalous Diffusion, finitely ramified, Markov chain, post-critically finite, real space renormalization, Sierpinski gasket

Disordered Systems Fractals Lattice Models Renormalisation Stochastic Processes

Renormalisation on Sierpinski-type Fractals

Post author By R Hilfer
Post date April 13, 1984

R. Hilfer, A. Blumen

Journal of Physics A: Mathematical and General 17, L573-L545 (1984)
10.1088/0305-4470/17/10/004

submitted on
Friday, April 13, 1984

We present a family of deterministic fractals which generalise the d-dimensional Sierpinski gaskets and we establish their order of ramification and their fractal and spectral dimensions. Random walks on these fractals are renormalisable and lead to rational, not necessarily polynomial, mappings.

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Tags Anomalous Diffusion, finitely ramified, Markov chain, post-critically finite, real space renormalization, Sierpinski gasket, spectral dimension