Results 71 to 80 of about 4,831,190 (292)

Dichotomy and H^infinity functional calculi

open access: yesElectronic Journal of Differential Equations, 1995
densely defined closed operator on a Banach space is studied. We give conditions under which an operator with an $H^infty$ functional calculus has dichotomy.
R. DeLaubenfels, Y. Latushkin
doaj  

On the Complex Spectrum of the Underlying Operator of a Reliability Model

open access: yesAxioms
We study the complex point spectral distribution of the underlying operator of the system consisting of a reliable machine, a storage buffer with infinite capacity and an unreliable machine.
Zhiyang Du, Geni Gupur
doaj   +1 more source

Effect of DFPP on Ferroptosis in Peripheral Blood CD14+ Monocytes of Hyperlipidemic Patients Involving the ACSL4/LPCAT3/ALOX5 Pathway

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Hyperlipidemia is a major risk factor for atherosclerotic cardiovascular disease (ASCVD). Although statins are the cornerstone of lipid‐lowering therapy, their use may be limited in some patients by adverse effects. This study evaluated the possible impact of non‐drug treatment using double‐filtration plasmapheresis (DFPP) on CD14+
Yun Cheng   +3 more
wiley   +1 more source

On the Spectrum of a Morphism of Quotient Hilbert Spaces [PDF]

open access: yesSurveys in Mathematics and its Applications, 2006
In this paper we define the notion of spectrum for a morphism of quotient Hilbert spaces. The definition is the same with the one given by L.Waelbroeck but the proofs that the spectrum is a compact and nonempty set are different.
Sorin Nadaban
doaj  

Perturbed Iterative Algorithms for Generalized Nonlinear Set-Valued Quasivariational Inclusions Involving Generalized m-Accretive Mappings

open access: yesJournal of Inequalities and Applications, 2007
A new class of generalized nonlinear set-valued quasivariational inclusions involving generalized m-accretive mappings in Banach spaces are studied, which included many variational inclusions studied by others in recent years. By using the properties of
Mao-Ming Jin
doaj   +1 more source

Nörlund means of the sequence of the iterates of a bounded linear operator, and spectral properties [PDF]

open access: yesMathematica Bohemica
We are concerned here with relating the spectral properties of a bounded linear operator $T$ on a Banach space to the behaviour of the means $(1/{s(n)})\sum_{k=0}^n(\Delta s)(n-k)T^k$, where $s$ is a nondecreasing sequence of positive real numbers, and $\
Laura Burlando
doaj   +1 more source

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

Resolvability of A-, CA- and PCA-sets in compacta

open access: yesTopology and its Applications, 1997
For a cardinal \(\kappa\), a space \(X=(X,{\mathcal T})\) is said to be \(\kappa\)-resolvable if \({\mathcal P}(X)\) contains \(\kappa\)-many pairwise disjoint \(\mathcal T\)-dense sets; in this terminology, \(X\) is resolvable if \(X\) is 2-resolvable, and \(X\) is maximally resolvable if \(X\) is \(\Delta(X)\)-resolvable, where \(\Delta(X)=\min\{|U|:\
openaire   +2 more sources

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Properties of Fuzzy Resolving Set

open access: yesTurkish Journal of Computer and Mathematics Education (TURCOMAT), 2021
In a fuzzy graph , for a subset  of , the representation of  with respect to  in terms of strength of connectedness of vertices are distinct then  is called the fuzzy resolving set of . In this article, we discuss the properties of fuzzy resolving set and fuzzy resolving number.
openaire   +2 more sources

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