Results 101 to 110 of about 14,368 (309)

A note on the factorization of matrices occurring in Wiener-Hopf problems

open access: yes, 1980
Simple expressions for the Wiener-Hopf factors of a certain matrix considered by Daniele are ...
Rawlins, AD
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

Nonnegative factorization and the maximum edge biclique problem [PDF]

open access: yes
Nonnegative matrix factorization (NMF) is a data analysis technique based on the approximation of a nonnegative matrix with a product of two nonnegative factors, which allows compression and interpretation of nonnegative data. In this paper, we study the
GILLIS, Nicolas, GLINEUR, François
core  

Keratin 19 as a prognostic marker and contributing factor of metastasis and chemoresistance in high‐grade serous ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Keratin 19 (KRT19) is overexpressed in high‐grade serous ovarian cancer with high levels of Kallikrein‐related peptidases (KLK) 4–7 and is associated with poor survival. In vivo analyses demonstrate that elevated KRT19 increases peritoneal tumour burden.
Sophia Bielesch   +13 more
wiley   +1 more source

On matrices associated to prime factorization of odd integers

open access: yesCondensed Matter Physics, 2008
In this paper we introduce in section 5 integral matrices M(n) for any factorization of an odd integer n into r distinct odd primes. The matrices appear in several versions according to a parameter ρ∈[0,1], they have size 2r×2r and their rank satisfies e.
T. Bier
doaj   +1 more source

Factorization of centrosymmetric matrices

open access: yes, 2021
U ovom radu proučavamo \(QR\) −faktorizaciju centrosimetrične realne matrice \(A\) u kojoj su realne matrice \(Q\) i \(R\) centrosimetrične. Ta se faktorizacija može dobiti primjenom preglednog algoritma koji koristi perplektičke ortogonalne blok ...
Kučić, Antica
core  

Somatic mutational landscape in von Hippel–Lindau familial hemangioblastoma

open access: yesMolecular Oncology, EarlyView.
The causes of central nervous system (CNS) hemangioblastoma in Von Hippel–Lindau (vHL) disease are unclear. We used Whole Exome Sequencing (WES) on familial hemangioblastoma to investigate events that underlie tumor development. Our findings suggest that VHL loss creates a permissive environment for tumor formation, while additional alterations ...
Maja Dembic   +5 more
wiley   +1 more source

Effective Temporal Graph Learning via Personalized PageRank

open access: yesEntropy
Graph representation learning aims to map nodes or edges within a graph using low-dimensional vectors, while preserving as much topological information as possible.
Ziyu Liao, Tao Liu, Yue He, Longlong Lin
doaj   +1 more source

OCMA: Fast, Memory-Efficient Factorization of Prohibitively Large Relationship Matrices

open access: yesG3: Genes, Genomes, Genetics, 2019
Matrices representing genetic relatedness among individuals (i.e., Genomic Relationship Matrices, GRMs) play a central role in genetic analysis. The eigen-decomposition of GRMs (or its alternative that generates fewer top singular values using genotype ...
Zhi Xiong   +6 more
doaj   +1 more source

Vector-exponential time-series modeling for polynomial J-spectral factorization

open access: yes, 2005
An iterative algorithm to perform the J-spectral factorization of a para-Hermitian matrix is presented. The algorithm proceeds by computing a special kernel representation of an interpolant for a sequence of points and associated directions determined ...
Pendharkar, Ishan   +2 more
core  

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