Results 141 to 150 of about 43,843 (312)

Stability of Viscous Three‐Dimensional Stratified Couette Flow via Dispersion and Mixing

Communications on Pure and Applied Mathematics, EarlyView.
ABSTRACT This article explores the stability of stratified Couette flow in the viscous 3d$3d$ Boussinesq equations. In this system, mixing effects arise from the shearing background, and gravity acts as a restoring force leading to dispersive internal gravity waves.
Michele Coti Zelati, Augusto Del Zotto, Klaus Widmayer   +2 more
wiley   +1 more source

Vectorial Formalism of Polyphase Synchronous Machine With Permanents Magnets

Aceh International Journal of Science and Technology, 2013
This paper presents a mathematical model that transforms the real machine to fictitious machines and our goal is to simulate these and see the behavior of these machines in load.
Nacéra Bachir Bouiadjra, Mohamed Abid, Mohamed B. Benabdallah, Boubakeur Dehiba, Abdelkrim Sellam, Boubakeur Bensaid, Mustapha Djouhri   +6 more
doaj  

GRAPH PARTITIONING WITH EIGENVECTORS

, 2017
The Cheeger constant of a graph quantities how well a graph can be cut yield- ing two (typically) large vertex sets by a small edge cut. Lower and upper bounds have been developed using the eigenvalues and eigenvectors of the normalized Laplacian matrix ...
Panek, James
core  

Appendix H. Spatial map patterns (PCNM eigenvectors).

, 2016
Spatial map patterns (PCNM eigenvectors)
Stephen J. Murphy (825220), Jenalle L. Eck (2928888), Simon A. Queenborough (2915465), James Whitacre (750535), John W. Wenzel (2928894), Lívia D. Audino (2928891), Liza S. Comita (183727)   +6 more
core   +1 more source

In silico analysis of putative interactions identifies fibroblasts as hubs for cell–cell communication during early regeneration of the zebrafish heart

Developmental Dynamics, EarlyView.
Abstract Background The zebrafish heart regenerates upon injury. During injury response, fibroblasts and endothelial cells accumulate at the site of damage, and cardiomyocyte cell cycle reentry allows cardiac muscle regrowth. It is relevant to understand how the different cell types communicate with each other to coordinate regeneration.
João A. S. Carvalho, Prateek Arora, Ines J. Marques, María Galardi‐Castilla, Louk Timmer, Eva van Rooij, Nadia Mercader   +6 more
wiley   +1 more source

Graph partitioning by Eigenvectors

Linear Algebra and its Applications, 1988
Given a graph G on n vertices and \(z\in R^ n\), we say that a vertex of G is positive, nonnegative, null, etc. if the corresponding entry of z has that property. For z such that Az\(\geq \alpha z\) (A is the adjacency matrix of G) the number of components of the subgraph induced by positive vertices is bounded.
openaire   +2 more sources

Eigenvectors of Principal Components 1–4.

, 2016
Eigenvectors of Principal Components 1–4.
Bridget M. Stroup (3190752), James M. Ntambi (221741), Denise M. Ney (307209), Sangita G. Murali (307199), Lucas M. O’Neill (3190755), Emily A. Sawin (3190758)   +5 more
core   +1 more source

Age‐related trends in niche position and specialization in Neotropical vertebrates

Ecography, EarlyView.
Species' niche positions and breadths within a region's environmental space, measured through ecological niche factor analysis (ENFA) as marginality and specialization, can reflect evolutionary constraints related to lineage age. The ‘internal incumbency' hypothesis predicts that older species, due to competitive preemption, occupy more central niche ...
Carlos Calderón del Cid, Fabricio Villalobos, Ricardo Dobrovolski, Bruno Vilela   +3 more
wiley   +1 more source

Statistics of eigenvectors in non-invariant random matrix ensembles [PDF]

, 2018
In this thesis we begin by presenting an introduction on random matrices, their different classes and applications in quantum mechanics to study the characteristics of the eigenvectors of a particular random matrix model. The focus of this work is on one
Truong, Kevin
core  

Eigenvalues and eigenvectors

, 2023
U ovom diplomskom radu proučavamo svojstvene vrijednosti i svojstvene vektore matrice te njihove primjene. Prvo je poglavlje posvećeno matricama te njihovim svojstvenim vrijednostima.
Trstenjak, Anja
core