Results 21 to 30 of about 144,122 (300)

Fractals and Ravens

open access: yesArtificial Intelligence, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Keith McGreggor   +2 more
openaire   +2 more sources

Generalized Scheme For Fractal Based Digital Signature (GFDS). [PDF]

open access: yes, 2007
This paper describes a new development in the cryptographic digital signature scheme based on Mandelbrot and Julia fractal sets. Recently it has been shown that it is possible to have digital signature scheme based on fractal due to the strong connection
Alia, Mohammad Ahmad, Samsudin, Azman
core   +1 more source

Towering Fractals

open access: yesMaple Transactions, 2023
An exponential tower is obtained by repeatedly raising a number to itself, as in xˣ, x^{x^x}, and so on. When formulated as an iterative process, it may converge to a single value, diverge to infinity, cycle between multiple values, or wander forever. Representing this property graphically leads to a beautiful fractal object.
Johan Joby   +2 more
openaire   +2 more sources

Fractal Models for SAR images [PDF]

open access: yes, 2011
In this thesis the modeling of SAR (Synthetic Aperture Radar) images of natural surfaces described via fractal models is dealt with. A complete theoretical forward model linking the parameters describing the scene observed by the sensor to the stochastic
Zinno, Ivana
core   +1 more source

Modern Paradigm Regarding Capital Markets: Fractal Market Hypothesis. Determination of the Hurst Exponent on the Romanian Capital Market

open access: yesEIRP Proceedings, 2022
Classical statistical and econometric theory, intended to provide functional forecasting models in capital markets, is the mathematical foundation for a number of theories - efficient market theory, Harry Markowitz's optimized portfolio theory, the ...
Ana-Maria Metescu
doaj  

Vaccines Alone Cannot Slow the Evolution of SARS-CoV-2

open access: yesVaccines, 2023
The rapid emergence of immune-evading viral variants of SARS-CoV-2 calls into question the practicality of a vaccine-only public-health strategy for managing the ongoing COVID-19 pandemic. It has been suggested that widespread vaccination is necessary to
Debra Van Egeren   +7 more
doaj   +1 more source

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

Nim Fractals

open access: yesJ. Integer Seq., 2014
19 pages, 2 ...
Tanya Khovanova, Joshua Xiong
openaire   +4 more sources

Fractal Antennas: An Historical Perspective [PDF]

open access: yes, 2020
Fractal geometry has been proven to be useful in several disciplines. In the field of antenna engineering, fractal geometry is useful to design small and multiband antenna and arrays, and high-directive elements.
Jayasinghe   +15 more
core   +2 more sources

Deep Learning Pose Estimation for Phenotyping of Co‐Occurring Hyperkinetic Movement Disorders

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore whether routine outpatient video combined with deep learning‐based pose estimation and clinically interpretable kinematic features can support multi‐label phenotyping of co‐occurring hyperkinetic movement disorders (HMDs).
Laura Cif   +17 more
wiley   +1 more source

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