Results 41 to 50 of about 30,339,710 (165)

Lévy Processes on Quantum Permutation Groups [PDF]

open access: yes, 2015
We describe basic motivations behind quantum or noncommutative probability, introduce quantum L\'evy processes on compact quantum groups, and discuss several aspects of the study of the latter in the example of quantum permutation groups. The first half of this paper is a survey on quantum probability, compact quantum groups, and L\'evy processes on ...
arxiv   +1 more source

Group-based emotion in group processes and intergroup relations

open access: yes, 2017
Group-based emotions are experienced as a result of group categorization and group identification. We first review the transformative idea that emotion can occur as a group-level phenomenon driven by group-level processes.
D. Mackie, Eliot R. Smith
semanticscholar   +1 more source

Uncovering the trimethylamine-producing bacteria of the human gut microbiota

open access: yesMicrobiome, 2017
Background Trimethylamine (TMA), produced by the gut microbiota from dietary quaternary amines (mainly choline and carnitine), is associated with atherosclerosis and severe cardiovascular disease.
Silke Rath   +3 more
doaj   +1 more source

Enhancement Effect of a Diamond Network on the Flow Boiling Heat Transfer Characteristics of a Diamond/Cu Heat Sink

open access: yesEnergies, 2023
The use of a micro heat sink is an effective means of solving the problem of high-power chip heat dissipation. Diamond/Cu composites exhibit high thermal conductivity and a linear thermal expansion coefficient that is compatible with semiconductor ...
Nan Wu   +4 more
doaj   +1 more source

The Coxeter symmetries of high-level general sequential computation in the invertible-digital and quantum domains [PDF]

open access: yesarXiv, 2023
The article investigates high-level general invertible-sequential processing in the digital and quantum domains. In particular it is shown that (i) invertible digital-sequential processes, constructed using a standard general-inversion procedure, and (ii) sequential quantum processes, determine Coxeter groups. In each case the groups are seen to define
arxiv  

Extreme environment interconnects and packaging for power electronics

open access: yesThe Journal of Engineering, 2019
This paper presents the combination of an innovative assembly and packaging process utilising solid liquid inter diffusion (SLID) Cu-Sn interconnects within bespoke ceramic substrates that have been produced using additive manufacturing (AM).
Alberto Campos-Zatarain   +6 more
doaj   +1 more source

Effect of Catalyst Crystallinity on V-Based Selective Catalytic Reduction with Ammonia

open access: yesNanomaterials, 2021
In this study, we synthesized V2O5-WO3/TiO2 catalysts with different crystallinities via one-sided and isotropic heating methods. We then investigated the effects of the catalysts’ crystallinity on their acidity, surface species, and catalytic ...
Min Seong Lee   +7 more
doaj   +1 more source

Role of Atmospheric Indices in Describing Shoreline Variability Along the Atlantic Coast of Europe

open access: yesGeophysical Research Letters, 2023
Beaches are highly variable environments and respond to changes in wave forcing, themselves modulated by climate variability. Here, we analyze three high‐quality beach profile data sets to robustly investigate, for the first time, the link between ...
Gerd Masselink   +3 more
doaj   +1 more source

Algebraic Convolutional Filters on Lie Group Algebras [PDF]

open access: yesarXiv, 2022
Group convolutional neural networks are a useful tool for utilizing symmetries known to be in a signal; however, they require that the signal is defined on the group itself. Existing approaches either work directly with group signals, or they impose a lifting step with heuristics to compute the convolution which can be computationally costly. Taking an
arxiv  

Understanding gang membership: The significance of group processes

open access: yes, 2014
Gang researchers have robustly established that gangs facilitate increased criminal activity in members—even those who were prolifically delinquent before gang membership (Klein, Weerman, & Thornberry, 2006).
Jane L. Wood
semanticscholar   +1 more source

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