Results 81 to 90 of about 914,444 (313)
ON HEROD'S QUADRATIC DIFFERENTIAL SYSTEM WITH INFINITELY MANY UNKNOWNS
The following quadratic differential system with infinitely many unknowns is studied \[ \dot x_n+x_n=\frac1{n+1}\sum^n_{k=0}x_kx_{n-k},\quad n=0,1,2,\dots;\;x_0(0)=1;\;x_1(0)=0;\;x_k(0)=c_k,\;k\geq 2.\tag{1} \] The author studies the question: If the sequence \(\{c_k\}\) is in \(\ell^2\), is the same true for the sequence \(\{x_k(0)\}\) for each \(t ...
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MagPiezo enables wireless activation of endogenous Piezo1 channels without genetic modification using 19 nm magnetic nanoparticles and low‐intensity magnetic fields. It generates torque forces at the piconewton scale to trigger mechanotransduction in endothelial cells, standing as a novel platform to interrogate and manipulate Piezo1 activity in vitro.
Susel Del Sol‐Fernández +7 more
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Singularities of Nonlinear Elliptic Systems
Through Morrey's spaces (plus Zorko's spaces) and their potentials/capacities as well as Hausdorff contents/dimensions, this paper estimates the singular sets of nonlinear elliptic systems of the even-ordered Meyers-Elcrat type and a class of quadratic ...
Chiarenza F. +10 more
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Computation of Affine Covariants of Quadratic Bivariate Differential Systems
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ABSTRACT Breathable membranes that reject chemical warfare agents (CWAs) are required for next‐generation protective apparel. A dual‐function graphene oxide (GO)‐polyamine architecture is introduced that addresses the long‐standing tradeoff between vapor transmission and CWA selectivity.
Hyungjun Kim +6 more
wiley +1 more source
In this article we study a class of integrable quadratic systems and classify all its phase portraits. More precisely, we characterize the class of all quadratic polynomial differential systems in the plane having an ellipse and a straight line as ...
Jaume Llibre, Jiang Yu
doaj
This paper studies the H∞ disturbance attenuation problem for index one descriptor systems using the theory of differential games. To solve this disturbance attenuation problem the problem is converted into a reduced ordinary zero-sum game.
Musthofa Muhammad Wakhid
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Limit cycles for discontinuous quadratic differential switching systems [PDF]
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Triplet‐Triplet Annihilation Enhances Photochemical Curing Contrast for Vat‐Based 3D Printing
Triplet–triplet annihilation photopolymerization (TTAP) resins enhance curing contrast for digital light processing (DLP) 3D printing compared to conventional Type I and II photopolymerizations at matched optical densities. By exploiting a superlinear initiation response, TTAP preserves fine details, allowing reliable fabrication of complex structures ...
Connor J. O'Dea +2 more
wiley +1 more source
On the Interval Stability of Weak-Nonlinear Control Systems with Aftereffect
Sufficient conditions of interval absolute stability of nonlinear control systems described in terms of systems of the ordinary differential equations with delay argument and also neutral type are obtained.
Andriy Shatyrko, Denys Khusainov
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