Results 1 to 10 of about 339,683 (291)

Counting-Based Effective Dimension and Discrete Regularizations [PDF]

open access: yesEntropy, 2023
Fractal-like structures of varying complexity are common in nature, and measure-based dimensions (Minkowski, Hausdorff) supply their basic geometric characterization.
Ivan Horváth   +2 more
doaj   +2 more sources

Effective de Sitter space, quantum behaviour and large-scale spectral dimension (3+1) [PDF]

open access: diamondJournal of High Energy Physics, 2023
De Sitter space-time, essentially our own universe, is plagued by problems at the quantum level. Here we propose that Lorentzian de Sitter space-time is not fundamental but constitutes only an effective description of a more fundamental quantum gravity ...
C. A. Trugenberger
doaj   +2 more sources

Two-loop dimension six effective action: Integrating out heavy scalar

open access: diamondNuclear Physics B
For the first time, we present the model-independent two-loop effective action up to dimension six after integrating out heavy scalar(s) employing the Heat-Kernel method.
Nilabhra Adhikary   +2 more
doaj   +2 more sources

Funcionamiento Efectivo y Dimensión Subjetiva del Vínculo Significativo con los Demás / Effective Functioning and Subjective Dimension of the Significant Link with Others

open access: greenAreté, 2017
Utilizando la base de datos de la Encuesta de Desarrollo Humano del Programa de Naciones Unidas para el Desarrollo (PNUD-EDH) aplicada en Chile durante el año 2011 a un total de 2.535 personas mayores de 18 años, esta investigación analiza el “Vínculo ...
Francisca Maureira Sepúlveda   +2 more
doaj   +1 more source

Scikit-Dimension: A Python Package for Intrinsic Dimension Estimation

open access: yesEntropy, 2021
Dealing with uncertainty in applications of machine learning to real-life data critically depends on the knowledge of intrinsic dimensionality (ID). A number of methods have been suggested for the purpose of estimating ID, but no standard package to ...
Jonathan Bac   +4 more
doaj   +1 more source

Topological Dimensions from Disorder and Quantum Mechanics?

open access: yesEntropy, 2023
We have recently shown that the critical Anderson electron in D=3 dimensions effectively occupies a spatial region of the infrared (IR) scaling dimension dIR≈8/3. Here, we inquire about the dimensional substructure involved.
Ivan Horváth, Peter Markoš
doaj   +1 more source

Effective Fractal Dimension at 2d-3d Crossover

open access: yesFractal and Fractional, 2022
This article is aimed at reviewing and studying the effects of the 2d-3d crossover on the effective fractal and spatial dimensions, as well as on the critical exponents of the physical properties of bulk and bounded systems at criticality.
Alexander V. Chalyi
doaj   +1 more source

Quasi-Monte Carlo in finance: extending for problems of high effective dimension

open access: yesEconomia Aplicada, 2005
In this paper we show that it is possible to extend the use of quasi-Monte Carlo for applications of high effective dimension. This is achieved through a combination of a careful construction of the Sobol sequence and an appropriately chosen ...
Marcos Eugênio da Silva, Thierry Barbe
doaj   +3 more sources

Effective dimension in some general metric spaces [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
We introduce the concept of effective dimension for a general metric space. Effective dimension was defined by Lutz in (Lutz 2003) for Cantor space and has also been extended to Euclidean space.
Elvira Mayordomo
doaj   +1 more source

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