Results 11 to 20 of about 86,947 (328)

Classifying Cantor Sets by their Fractal Dimensions [PDF]

open access: yesProceedings of the American Mathematical Society, 2010
In this article we study Cantor sets defined by monotone sequences, in the sense of Besicovitch and Taylor. We classify these Cantor sets in terms of their h-Hausdorff and h-Packing measures, for the family of dimension functions h, and characterize this
Cabrelli, Carlos A.   +2 more
core   +7 more sources

Optimization on fractal sets [PDF]

open access: yesOptimization Letters, 2021
We outline necessary and sufficient condition to the existence of extrmas of a function on a self-similar set, and we describe discrete gradient algorithm to find the extrema.
Nizare Riane, Claire David
openaire   +2 more sources

Turbulence on a Fractal Fourier Set [PDF]

open access: yesPhysical Review Letters, 2015
A novel investigation of the nature of intermittency in incompressible, homogeneous and isotropic turbulence is performed by a numerical study of the Navier-Stokes equations constrained on a fractal Fourier set. The robustness of the energy transfer and of the vortex stretching mechanisms is tested by changing the fractal dimension, D, from the ...
Lanotte, As   +4 more
openaire   +5 more sources

From Fractal Groups to Fractal Sets [PDF]

open access: yes, 2003
This paper is a survey, with few proofs, of ideas and notions related to self-similarity of groups, semi-groups and their actions. It attempts to relate these concepts to more familiar ones, such as fractals, self-similar sets, and renormalizable dynamical systems.
Bartholdi, Laurent   +2 more
openaire   +3 more sources

FRACTAL DIMENSIONS OF k-AUTOMATIC SETS

open access: yesThe Journal of Symbolic Logic, 2023
AbstractThis paper seeks to build on the extensive connections that have arisen between automata theory, combinatorics on words, fractal geometry, and model theory. Results in this paper establish a characterization for the behavior of the fractal geometry of “k-automatic” sets, subsets of $[0,1]^d$ that are recognized by Büchi automata.
Alexi Block Gorman   +1 more
openaire   +2 more sources

Angular projections of fractal sets [PDF]

open access: yesEurophysics Letters (EPL), 1997
We discuss various questions which arise when one considers the central projection of three dimensional fractal sets (galaxy catalogs) onto the celestial globe. The issues are related to how fractal such projections look. First we show that the lacunarity in the projection can be arbitrarily small.
Durrer R   +7 more
openaire   +4 more sources

ANALYSIS ON A FRACTAL SET

open access: yesFractals, 2009
The formulation of a new analysis on a zero measure Cantor set C(⊂I = [0,1]) is presented. A non-Archimedean absolute value is introduced in C exploiting the concept of relative infinitesimals and a scale invariant ultrametric valuation of the form log ε-1 (ε/x) for a given scale ε > 0 and infinitesimals 0 < x < ε, x ∈ I\C.
Raut, Santanu, Datta, Dhurjati Prasad
openaire   +2 more sources

Set-Valued $$\alpha $$-Fractal Functions

open access: yesConstructive Approximation, 2023
In this paper, we introduce the concept of the $\alpha$-fractal function and fractal approximation for a set-valued continuous map defined on a closed and bounded interval of real numbers. Also, we study some properties of such fractal functions. Further, we estimate the perturbation error between the given continuous function and its $\alpha$-fractal ...
Pandey, Megha   +2 more
openaire   +2 more sources

Fractal Curves on Banach Algebras

open access: yesFractal and Fractional, 2022
Most of the fractal functions studied so far run through numerical values. Usually they are supported on sets of real numbers or in a complex field. This paper is devoted to the construction of fractal curves with values in abstract settings such as ...
María A. Navascués
doaj   +1 more source

Furstenberg sets for a fractal set of directions [PDF]

open access: greenProceedings of the American Mathematical Society, 2010
In this paper we study the behavior of the size of Furstenberg sets with respect to the size of the set of directions defining it. For any pair α
Ursula Molter, Ezequiel Rela
openalex   +7 more sources

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