Results 31 to 40 of about 357,643 (260)
AxiomsSince the monotonicity of the best approximant is crucial to establish partial ordering methods, in this paper, we, respectively, characterize the best approximants in Banach function spaces and Lorentz spaces Γp,w, in which we especially focus on the ...
Dezhou Kong, Zhihao Xu, Yun Wang, Li Sun
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Generalized Order and Best Approximation of Entire Function in 𝐿𝑝-Norm
International Journal of Mathematics and Mathematical Sciences, 2010 The aim of this paper is the characterization of the generalized growth of entire functions of several complex variables by means of the best polynomial approximation and interpolation on a compact 𝐾 with respect to the set Ω𝑟={𝑧∈𝐂𝑛;exp𝑉𝐾(𝑧)≤𝑟}, where 𝑉𝐾=
Mohammed Harfaoui
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On Characterization of Best Approximation with Certain Constraints
Journal of Approximation Theory, 1998 Let \( \Phi_n := \text{span}\{\varphi_1,\dots,\varphi_n\}, \) be an \(n\)-dimensional subspace of real functions on \( [a,b] \) and assume that, for an integer \( k\geq 0, \) the \(k\)th derivatives \( \varphi_1^{(k)},\dots,\varphi_n^{(k)} \) are continuous.
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Truthful Mechanisms via Greedy Iterative Packing
, 2009 An important research thread in algorithmic game theory studies the design of efficient truthful mechanisms that approximate the optimal social welfare.
Chekuri, Chandra, Gamzu, Iftah
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FEBS 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
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A VARIATIONAL CHARACTERIZATION OF THE BEST APPROXIMATION ELEMENT
Demonstratio Mathematica, 1999 Let \(X\) be a real normed space, \(G\) is a proper closed linear subspace of \(X\), and \(x_0\in X\setminus G\). The author shows that an element \(g_0\in G\) is a best approximation element of \(x_0\) in \(G\) if and only if for every \(f\in G^*_{x_0}\) with Ker \((f)=G\) the quadratic functional \(F_f:G_{x_0}\to {\mathbb{R}}, F_f(x)=\|x\|^2-2f(x ...
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Strong unicity in nonlinear approximation and free knot splines [PDF]
, 1991 We give a necessary alternation condition for unique local best approximation from Sm,k, the set of splines of degree m with k free knots. This result is related to a conjecture of L.L. Schumaker.
Nürnberger, Günther
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In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
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Analysis of Noise with Curve Fitting Method of a PV cell
EAI Endorsed Transactions on Energy Web, 2017 Solar photovoltaic technology is a major contender in the race for renewable, sustainable and green energy. This paper introduces the characteristics of different PV cell equivalent circuit and its output behaviour.
Md Tofael Ahmed +2 more
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, 2015 Gonchar-Stahl's $\rho^2$-theorem characterizes the rate of convergence of best uniform (Chebyshev) rational approximations (with free poles) for one basic class of analytic functions.
Rakhmanov, E. A.
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