Results 51 to 60 of about 115,750 (273)

Fast model-fitting of Bayesian variable selection regression using the iterative complex factorization algorithm

open access: yes, 2018
Bayesian variable selection regression (BVSR) is able to jointly analyze genome-wide genetic datasets, but the slow computation via Markov chain Monte Carlo (MCMC) hampered its wide-spread usage.
Guan, Yongtao, Zhou, Quan
core   +1 more source

Factorization of block matrices

open access: yesLinear Algebra and its Applications, 1985
This investigation is concerned with block matrices presented in factored partitions. The work stated here involves theorems, important examples and applications brought up by the notion of general factorization of block matrices. It is interesting to note here the principal merit of the examples, its techniques and the special cases such as self ...
Ellis, Robert L.   +2 more
openaire   +2 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

An algorithm for complex factorization of the bi-periodic Fibonacci and Lucas polynomials [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics
In this paper, we consider the factorization of generalized sequences, by employing a method based on trigonometric identities. The new method is of reduced complexity and represents an improvement compared to existing results.
Baijuan Shi, Can Kızılateş
doaj   +1 more source

Factorization of matrices into partial isometries [PDF]

open access: yesProceedings of the American Mathematical Society, 1989
In this paper, we characterize complex square matrices which are expressible as products of partial isometries and orthogonal projections. More precisely, we show that a matrix T T is the product of k k partial isometries ( k ≥ 1 ) (k \geq 1) if and only if
Kuo, Kunghwang, Wu, Peiyuan
openaire   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Lawra – linear algebra with recursive algorithms

open access: yesMathematical Modelling and Analysis, 1999
Recursion leads to automatic variable blocking for dense linear‐algebra algorithms. The recursive way of programming algorithms eliminates using BLAS level 2 during the factorization steps.
B. S. Andersen   +4 more
doaj   +1 more source

Sufficient Conditions for Existence of the LU Factorization of Toeplitz Symmetric Tridiagonal Matrices

open access: yesTrends in Computational and Applied Mathematics, 2023
The characterization of inverses of symmetric tridiagonal and block tridiagonal matrices and the development of algorithms for finding the inverse of any general non-singular tridiagonal matrix are subjects that have been studied by many authors.
C. G. Almeida, S. A. E. Remigio
doaj   +1 more source

A geometrical setting for the classification of multilayers

open access: yes, 2002
We elaborate on the consequences of the factorization of the transfer matrix of any lossless multilayer in terms of three basic matrices of simple interpretation. By considering the bilinear transformation that this transfer matrix induces in the complex
Abe   +29 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

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