Results 21 to 30 of about 145,690 (265)

A Novel Generalized Integral Inequality Based on Free Matrices for Stability Analysis of Time-Varying Delay Systems

open access: yesIEEE Access, 2020
This paper proposes a novel generalized integral inequality based on free matrices and applies it to stability analysis of time-varying delay systems. The proposed integral inequality estimates the upper bound of the augmented quadratic term of the state
Jun Hui Lee, In Seok Park, Poogyeon Park
doaj   +1 more source

The double pentaladder integral to all orders

open access: yesJournal of High Energy Physics, 2018
We compute dual-conformally invariant ladder integrals that are capped off by pentagons at each end of the ladder. Such integrals appear in six-point amplitudes in planar N $$ \mathcal{N} $$ = 4 super-Yang-Mills theory.
Simon Caron-Huot   +4 more
doaj   +1 more source

Solution of Integral Differential Equations by New Double Integral Transform (Laplace–Sumudu Transform)

open access: yesAbstract and Applied Analysis, 2020
The primary purpose of this research is to demonstrate an efficient replacement double transform named the Laplace–Sumudu transform (DLST) to unravel integral differential equations.
Shams A. Ahmed   +2 more
doaj   +1 more source

Symbology for elliptic multiple polylogarithms and the symbol prime

open access: yesJournal of High Energy Physics, 2023
Elliptic multiple polylogarithms occur in Feynman integrals and in particular in scattering amplitudes. They can be characterized by their symbol, a tensor product in the so-called symbol letters.
Matthias Wilhelm, Chi Zhang
doaj   +1 more source

Integral inequalities with an extended Poisson kernel and the existence of the extremals

open access: yesAdvanced Nonlinear Studies, 2023
In this article, we first apply the method of combining the interpolation theorem and weak-type estimate developed in Chen et al. to derive the Hardy-Littlewood-Sobolev inequality with an extended Poisson kernel.
Tao Chunxia, Wang Yike
doaj   +1 more source

Upacicalcet: A Novel Intravenous Calcimimetic Agent for Patients Undergoing Hemodialysis With Secondary Hyperparathyroidism

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Secondary hyperparathyroidism (SHPT) is a common complication in patients receiving maintenance dialysis, driven by calcium and phosphate metabolism disturbances. Calcimimetics are central to the management of SHPT by enhancing calcium‐sensing receptor sensitivity and reducing parathyroid hormone secretion.
Fumihiko Koiwa   +3 more
wiley   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

An Efficient Anti-Noise Zeroing Neural Network for Time-Varying Matrix Inverse

open access: yesAxioms
The Time-Varying Matrix Inversion (TVMI) problem is integral to various fields in science and engineering. Countless studies have highlighted the effectiveness of Zeroing Neural Networks (ZNNs) as a dependable approach for addressing this challenge.
Jiaxin Hu, Feixiang Yang, Yun Huang
doaj   +1 more source

On Double Trigonometric Integrals [PDF]

open access: yesTransactions of the American Mathematical Society, 1952
converges uniformly (or more generally is uniformly summable (C, k)) to zero as w-+ oc. Moreover, the coefficients am exhibit a regularity in their behavior as i m oo which is connected with that of ?(u). This result enables one to obtain theorems about the behavior of trigonometric integrals from the known theorems about trigonometric series.
openaire   +2 more sources

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

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