Results 41 to 50 of about 594 (68)

A globally convergent flow for computing the best low rank approximation of a matrix

, 2007
We work in the space of $m$-by-$n$ real matrices with the Frobenius inner product. Consider the following Problem: Given an m-by-n real matrix A and a positive integer k, find the m-by-n matrix with rank k that is closest to A.
Driessel, Kenneth R.
core   +2 more sources

Component graphs of vector spaces and zero-divisor graphs of ordered sets

AKCE International Journal of Graphs and Combinatorics
In this paper, nonzero component graphs and nonzero component union graphs of finite-dimensional vector spaces are studied using the zero-divisor graph of a specially constructed 0–1-distributive lattice and the zero-divisor graph of rings.
Nilesh Khandekar, Peter J. Cameron, Vinayak Joshi   +2 more
doaj   +1 more source

Sequencing Analysis and Identification of the Primary Peptide Component of the Dialyzable Leukocyte Extract "Transferon Oral": The Starting Point to Understand Its Mechanism of Action. [PDF]

Front Pharmacol, 2020
Vallejo-Castillo L, Favari L, Vázquez-Leyva S, Mellado-Sánchez G, Macías-Palacios Z, López-Juárez LE, Valencia-Flores L, Medina-Rivero E, Chacón-Salinas R, Pavón L, Pérez-Tapia SM.   +10 more
europepmc   +1 more source

Pairs of k-step reachability and m-step observability matrices

Special Matrices, 2013
Ferrante Augusto, Wimmer Harald K.
doaj   +1 more source

Selective apoptosis of pluripotent mouse and human stem cells by novel ceramide analogues prevents teratoma formation and enriches for neural precursors in ES cell-derived neural transplants. [PDF]

J Cell Biol, 2004
Bieberich E, Silva J, Wang G, Krishnamurthy K, Condie BG.   +4 more
europepmc   +1 more source

On some infinite dimensional linear groups

Open Mathematics, 2009
Kurdachenko Leonid, Sadovnichenko Alexey, Subbotin Igor   +2 more
doaj   +1 more source

Equalities for orthogonal projectors and their operations

Open Mathematics, 2010
Tian Yongge
doaj   +1 more source

Inertias and ranks of some Hermitian matrix functions with applications

Open Mathematics, 2012
Zhang Xiang, Wang Qing-Wen, Liu Xin
doaj   +1 more source

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On Drazin-Moore-Penrose inverses of finite potent endomorphisms

Linear and Multilinear Algebra, 2021
Pablos Romo, Fernando
exaly  

Inertia and rank approach in transformed linear mixed models for comparison of BLUPs

Communications in Statistics - Theory and Methods, 2023
Nesrin Güler, Melek Eriş Büyükkaya
exaly