Results 71 to 80 of about 86,577,496 (251)

Uniform lower tringular matrix summability of a Fourier series [PDF]

open access: yes, 2015
In this paper, the concept of uniform triangular matrix summability has been introduced and a new theorem on uniform lower triangular matrix summability has been established so that this theorem generalizes all the works of this ...
Yadav, Ramadhray Singh
core   +1 more source

Alzheimer's Disease Biomarkers Measured by Capillary Blood Collection Versus Venous Plasma and Cerebrospinal Fluid

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Blood biomarkers are increasingly critical for non‐invasive Alzheimer's Disease (AD) diagnostics and research but typically require on‐site processing. Remote point‐of‐care collection methods could enhance biomarker testing in clinical and research settings.
Sara Ho   +9 more
wiley   +1 more source

Cerebrospinal Fluid Over Plasma Links Analytes to Cognitive Decline in Older Adults at Risk for Alzheimer's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To identify inflammatory analytes in cerebrospinal fluid (CSF) and plasma associated with cognitive decline in cognitively normal (CN) older adults at risk for Alzheimer's disease (AD). Methods In a longitudinal study of 118 CN older adults (65–80 years, 54% APOE ε4, 26% preclinical AD), 1331 CSF and 1501 plasma analytes were ...
Jagan A. Pillai   +13 more
wiley   +1 more source

Note on Absolute Matrix Summability Factors

open access: yes, 2010
In this paper a theorem on absolute matrix summability factors, which generalizes a theorem ofÖzarslan andÖgdük [5] on |T, p n | k summability methods, has been ...
Vipin Kumar Gupta   +2 more
core  

Systemic Extracerebral Atherosclerotic Burden and Dementia Risk After Incident Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Stroke survivors are at increased risk of dementia, but clinically accessible markers of risk heterogeneity remain limited. Previous studies have largely examined atherosclerotic disease in individual vascular beds rather than the overall burden of systemic extracerebral atherosclerosis.
Zhexuan Yu   +4 more
wiley   +1 more source

Diffusion Basis Spectrum Imaging of Tissue Microstructure and Early Treatment in Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Conventional MRI cannot resolve the coexisting pathological processes within multiple sclerosis tissue. Diffusion Basis Spectrum Imaging decomposes the diffusion signal into fiber, cell, and hindered ratios indexing axonal integrity, cellularity, and extracellular space, respectively.
Apisit Kaewsanit   +10 more
wiley   +1 more source

Matrix Transforms of Summability Domains of Zweier Method

open access: yesJournal of Advances in Applied & Computational Mathematics, 2018
Let Z1/2 be the Zweier method, and B and M matrices with real or complex entries. In the present paper, we find necessary and sufficient conditions for M to be transform from the summability domain of Z1/2 into the summability domain of B if B is lower triangular. For an infinite matrix B, we consider only sufficient conditions.
openaire   +1 more source

Summability Methods for Oscillation of Linear Second-Order Matrix Differential Equations

open access: yesRocky Mountain Journal of Mathematics, 1993
The oscillation criteria of Wintner and Hartman for the equation \(Y''+ q(t)y=0\) on \([0,\infty)\) using limits of the mean \((1/t)\int^ t_ 0\left(\int^ s_ 0 q(u)du\right)ds\) have been extended in many ways. Other extensions of the scalar results have been made to the matrix equation \(Y''+ Q(t)= 0\) and to the selfadjoint matrix equation (1) \((PY')'
Coles, William J., Kinyon, Michael K.
openaire   +3 more sources

Dysregulated Cholesterol Metabolism, Chronic Inflammation, and Disability in Severe Progressive Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Dysregulated lipid metabolism, which can affect remyelination and neural repair, has not been extensively investigated in progressive multiple sclerosis (PMS). The goal was to examine whether dysregulated cholesterol metabolism was associated with disability in PMS. Methods The study sample comprised 53 Severe PMS patients (Expanded
Taylor R. Wicks   +8 more
wiley   +1 more source

Some summability methods and matrix transformations [PDF]

open access: yes, 2005
Bu tezin, veri tabanı üzerinden yayınlanma izni bulunmamaktadır. Yayınlanma izni olmayan tezlerin basılı kopyalarına Üniversite kütüphaneniz aracılığıyla (TÜBESS üzerinden) erişebilirsiniz.ÖZET Yüksek Lisans Tezi BAZI TOPLANABÎLME TÜRLERİ VE MATRİS ...
Gök, Hafize
core   +1 more source

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