Results 51 to 60 of about 609,806 (243)
Topological degree theory and Caputo–Hadamard fractional boundary value problems
We study two hybrid and non-hybrid fractional boundary value problems via the Caputo–Hadamard type derivatives. We seek the existence criteria for these two problems separately.
Abdelkader Amara +2 more
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On the theory of the PTIME degrees of the recursive sets
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Juichi Shinoda, Theodore A. Slaman
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ABSTRACT Background Maintenance hemodialysis (MHD) patients frequently suffer from frailty, characterized by reduced physical function and poor prognosis. Myokines, such as myonectin, secreted by muscle, are emerging regulators of systemic health. This study investigated the relationship between serum myonectin, adipokines (adiponectin, omentin), and ...
Kenichi Kono +7 more
wiley +1 more source
A degree theory for a class of perturbed Fredholm maps
We define a notion of degree for a class of perturbations of nonlinear Fredholm maps of index zero between infinite-dimensional real Banach spaces.
Calamai Alessandro +2 more
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Tabular degrees in \Ga-recursion theory
This paper develops the foundations of a theory of truth-table reducibilities in the setting of \(\alpha\)-recursion. A generalization of \(tt\)-reducibility and several generalizations of weak-\(tt\)-reducibility are given and their properties explored. Most of the main results deal with regular sets. For example, for each of the reducibilities given,
Colin Bailey, Rodney G. Downey
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ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo +5 more
wiley +1 more source
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
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
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura +2 more
wiley +1 more source
Coexistence of steady state for a diffusive prey-predator model with harvesting
In this article, we study a diffusive prey-predator model with modified Leslie-Gower term and Michaelis-Menten type prey harvesting, subject to homogeneous Dirichlet boundary conditions.
Yan Li
doaj
Variational inequalities with the duality operator in Banach spaces
We study variational inequality by way of metric projection in Banach spaces. The main method is to use a topological degree theory for the class of operators of monotone type in Banach spaces. More precisely, some variational inequality associated with
In-Sook Kim
doaj

