Results 111 to 120 of about 1,705,971 (292)

An Implicit Nodal–Staggered Finite Difference Scheme for Damped Shear Beam Models Without Rotational Inertia

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT We develop and analyze a fully discrete finite difference approximation for a damped shear beam model with mixed boundary conditions and no rotational inertia. The absence of a second‐order time derivative in the rotational equation gives rise to an asymmetric temporal structure.
Anderson de Jesus Araújo Ramos   +3 more
wiley   +1 more source

Existence and Stability Analysis of Classical and Fractional‐Order Generalized Brusselator Reaction‐Diffusion System

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT The present work is devoted to establishing existence results and examining the stability properties of solutions associated with a generalized Brusselator reaction–diffusion system in both the classical and fractional‐order settings. The corresponding ODE and PDE formulations are considered to establish the global existence of solutions in ...
Fadia Haouam   +3 more
wiley   +1 more source

Largest Eigenvalue of the Laplacian Matrix

open access: yes, 2015
Following an editorial request, this is the second part of the article originally available in arxiv:1405.4880v1, corresponding to Section 6 of that manuscript. Several clarification comments and improvements to the original exposition were added, and the introduction and background materials are new. No new mathematical content was added.
openaire   +2 more sources

From Breath‐Hold to Free‐Breathing: Possibilities in High‐Resolution Quantitative Susceptibility Mapping (QSM) of the Kidney With Respiratory Gating

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose This study aimed to assess the feasibility of QSM in the human kidney during free‐breathing using respiratory gating for motion compensation. Methods Renal imaging of 15 healthy volunteers was performed using an axial multi‐echo GRE sequence on a 3 T MRI scanner.
Matthias Deitermann   +7 more
wiley   +1 more source

On the Seidel Laplacian spectrum of threshold graphs [PDF]

open access: yesJournal of Hyperstructures
A graph which does not contain C4, P4, or 2K2 as its induced subgraphs, is called a threshold graph. In this paper, we consider seidel laplacian matrix of a connected threshold graph and determine the seidel laplacian spectrum. Also, the characterization
Megha P M, Parvathy K S
doaj   +1 more source

Improved Upper‐Airway Collapse Imaging in Obstructive Sleep Apnea Using Self‐Supervised Spiral Variational Manifold Learning

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To propose a self‐supervised variational manifold learning framework for dynamic upper‐airway MRI reconstruction in obstructive sleep apnea from prospectively under‐sampled spiral data during natural sleep, without requiring fully sampled training data.
Md Shahin Ali   +6 more
wiley   +1 more source

On the sum of signless Laplacian spectra of graphs

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2019
For a simple graph $G(V,E)$ with $n$ vertices, $m$ edges, vertex set $V(G)=\{v_1, v_2, \dots, v_n\}$ and edge set $E(G)=\{e_1, e_2,\dots, e_m\}$, the adjacency matrix $A=(a_{ij})$ of $G$ is a $(0, 1)$-square matrix of order $n$ whose $(i,j)$-entry is ...
S. Pirzada, H.A. Ganie, A.M. Alghamdi
doaj   +1 more source

Identification of Novel CD52+ Fibroblasts in Nodular Prostatic Hyperplasia

open access: yesThe Prostate, EarlyView.
ABSTRACT Background Benign prostatic hyperplasia (BPH) and lower urinary tract symptoms are strongly associated with chronic prostate inflammation and stromal remodeling, yet the stromal cell programs that emerge during inflammatory, nodular remodeling remain incompletely defined. A Toxoplasma gondii infection model produces persistent inflammation and
Oliver R. Strobel   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy