Results 81 to 90 of about 191,051 (296)

Collocation Isogeometric Approximation of acoustic wave problems [PDF]

, 2022
In this presentation we consider the numerical approximation of acoustic wave problems with absorbing boundary conditions by the Isogeometric discretization in space, and Newmark scheme in time, both explicit and implicit.
Elena Zampieri
core  

Approximations of degree zero in the Poisson problem

Communications on Pure and Applied Analysis, 2005
The authors consider an open bounded set \(\Omega \subset \mathbb{R}^2\) with smooth enough boundary \(\partial \Omega\) in which \(\partial_u \) is a relatively open portion. Let \(H_{\partial u}^1(\Omega)\) be the set of \(H^1(\Omega)\)-functions that vanish on \(\partial u\). Furthermore, let \(f\) be in the dual of \(H_{\partial u}^1(\Omega)\). The
DAVINI, Cesare, JOURDAN F.
openaire   +2 more sources

Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes

FEBS Letters, EarlyView.
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez, Mikael Oliveberg, Peter Brzezinski   +2 more
wiley   +1 more source

Second degree Taylor polynomial approximation of surface integral. [PDF]

, 2019
Numerical integration is an important mathematical tool used in wide area of Mathematics where scientific computation is required. Finding the exact solution of real world problems involve with definite double integrals is highly challengeable and ...
Hisam, M. S. M., Faham, M. A. A. M.
core  

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

FEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace, Alyssa Borges, Charles Arnaud, Tove Karlsson, Nina K. Bröker, Stefanie Barbirz, Marta Bally   +6 more
wiley   +1 more source

Degree of Lp-approximation by certain positive convolution operators [PDF]

, 1978
The degree of Lp-approximation for a class of positive convolution operators is investigated. Recent results of De Vore, Bojanic, and Shisha for the uniform approximation by these operators and the K-functional of Peetre are employed to obtain the degree
Wood, Bruce
core   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

FEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

The evaluation of the order of approximation of the matrix method for numerical integration of the boundary value problems for systems of linear non-homogeneous ordinary differential equations of the second order with variable coefficients. Message 1. Boundary value problems with boundary conditions of the first kind

Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2016
We present the first message of the cycle from two articles where the rearrangement of the order of approximation of the matrix method of numerical integration depending on the degree in the Taylor’s polynomial expansion of solutions of boundary value ...
Vladimir N Maklakov
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

FEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa, Shinya Sugimoto, Toshiro Sato   +2 more
wiley   +1 more source

On the degree of approximation by positive linear operators using the b-summability method [PDF]

, 1991
The aim of this paper is to sharpen the results of censor [3] and Mahapatra [7] given on the degree approximation by positive linear ...
Singh, S. P., Ranadive, A. S.
core