Results 41 to 50 of about 9,128,034 (234)

A Comment on the Relation between Diffraction and Entropy [PDF]

open access: yes, 2012
Baake M, Grimm U. A Comment on the Relation between Diffraction and Entropy. Entropy. 2012;14(12):856-864.Diffraction methods are used to detect atomic order in solids.
Uwe Grimm   +3 more
core   +1 more source

EEG Fingerprints under Naturalistic Viewing Using a Portable Device

open access: yesSensors, 2020
The electroencephalogram (EEG) has been proven to be a promising technique for personal identification and verification. Recently, the aperiodic component of the power spectrum was shown to outperform other commonly used EEG features.
Matteo Fraschini   +4 more
doaj   +1 more source

Projected topological branes

open access: yesCommunications Physics, 2022
Authors introduce a new class of topological materials, namely projected topological branes that are holographic images of higher-dimensional topological crystals, and feature either emergent crystalline or aperiodic quasicrystalline order. They manifest
Archisman Panigrahi   +2 more
doaj   +1 more source

Aperiodic Tilings, Order, and Randomness

open access: yesNotices of the American Mathematical Society, 2023
The study of aperiodic tilings is at the crossroads of many branches of mathematics, and so there are many points of view and many tools available to study them. There are also many open questions, especially for tilings in higher dimensions.
openaire   +1 more source

From the Fibonacci Icosagrid to E8 (Part I): The Fibonacci Icosagrid, an H3 Quasicrystal

open access: yesCrystals
This paper introduces a new kind of quasicrystal by Fibonacci-spacing a multigrid of a certain symmetry, like H2, H3, T3, etc. Multigrids of a certain symmetry can be used to generate quasicrystals, but multigrid vertices are not a quasicrystal due to ...
Fang Fang, Klee Irwin
doaj   +1 more source

Aperiodic order and spectral properties

open access: yes, 2015
11 pages, 9 ...
Baake, Michael   +2 more
openaire   +2 more sources

Fixed-Parameter Extrapolation and Aperiodic Order [PDF]

open access: yesACM SIGACT News, 2018
For a number of years we have been investigating the geometric and algebraic properties of a family of discrete sets of points in Euclidean space generated by a simple binary operation: pairwise affine combination by a xed parameter, which we call xed-parameter extrapolation.
Stephen A. Fenner   +2 more
openaire   +2 more sources

Aspects of aperiodic order: Spectral theory via dynamical systems [PDF]

open access: yes, 2005
The first part of this work gives an introduction into aperiodic order in general and the lines of research pursued.
Lenz, Daniel
core   +3 more sources

Rapid adaptation of predictive models during language comprehension: Aperiodic EEG slope, individual alpha frequency and idea density modulate individual differences in real-time model updating

open access: yesFrontiers in Psychology, 2022
Predictive coding provides a compelling, unified theory of neural information processing, including for language. However, there is insufficient understanding of how predictive models adapt to changing contextual and environmental demands and the extent ...
Ina Bornkessel-Schlesewsky   +13 more
doaj   +1 more source

Task-related, intrinsic oscillatory and aperiodic neural activity predict performance in naturalistic team-based training scenarios

open access: yesScientific Reports, 2022
Effective teams are essential for optimally functioning societies. However, little is known regarding the neural basis of two or more individuals engaging cooperatively in real-world tasks, such as in operational training environments.
Zachariah R. Cross   +6 more
doaj   +1 more source

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