Suchergebnisse - weak Chebyshev greedy algorithm

On the Approximate Weak Chebyshev Greedy Algorithm in uniformly smooth Banach spaces von Dereventsov, A.V.

“… We study greedy approximation in uniformly smooth Banach spaces. The Weak Chebyshev Greedy Algorithm (WCGA …”
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Duality Gap Estimates for Weak Chebyshev Greedy Algorithms in Banach Spaces von Mironov, S. V., Sidorov, S. P.

“… The paper studies weak greedy algorithms for finding sparse solutions of convex optimization problems in Banach spaces …”
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Approximation Properties of the Vector Weak Rescaled Pure Greedy Algorithm von Xu, Xu, Guo, Jinyu, Ye, Peixin, Zhang, Wenhui

“… We first study the error performances of the Vector Weak Rescaled Pure Greedy Algorithm for simultaneous approximation with respect to a dictionary D in a Hilbert space …”
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Efficiency of weak greedy algorithms for m-term approximations von Ye, PeiXin, Wei, XiuJie

“… We investigate the efficiency of weak greedy algorithms for m-term expansional approximation with respect to quasi-greedy bases in general Banach …”
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The Weak Chebyshev X-Greedy Algorithm in the unweighted Bergman space von Dilworth, S.J., Kutzarova, Denka, Shuman, Karen L.

“… We study a greedy algorithm called the Weak Chebyshev X-Greedy Algorithm (WCXGA) and investigate its application to unweighted Bergman spaces …”
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On the generalized Approximate Weak Chebyshev Greedy Algorithm von Dereventsov, Anton

“… In this paper we study greedy approximation in Banach spaces. We discuss a modification of the Weak Chebyshev Greedy Algorithm, in which steps of the algorithm can be executed imprecisely …”
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The Weak Chebyshev Greedy Algorithm (WCGA) in \(L^p (\log L)^\alpha\) spaces von Garrigós, Gustavo

“… We present some new results concerning Lebesgue-type inequalities for the Weak Chebyshev Greedy Algorithm (WCGA …”
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Sparse Approximation and Recovery by Greedy Algorithms von Livshitz, Eugene D., Temlyakov, Vladimir N.

“… Second, we prove the Lebesgue-type inequalities for the weak Chebyshev greedy algorithm, a generalization of the weak orthogonal matching pursuit to the case of a Banach space …”
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On the Approximate Weak Chebyshev Greedy Algorithm in Uniformly Smooth Banach Spaces von Dereventsov, A V

“… We study greedy approximation in uniformly smooth Banach spaces. The Weak Chebyshev Greedy Algorithm (WCGA …”
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Lebesgue inequalities for Chebyshev thresholding greedy algorithms von Berná, P. M., Blasco, Ó., Garrigós, G., Hernández, E., Oikhberg, T.

“… We establish estimates for the Lebesgue parameters of the Chebyshev weak thresholding greedy algorithm in the case of general bases in Banach spaces …”
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Biorthogonal Greedy Algorithms in convex optimization von Dereventsov, A.V., Temlyakov, V.N.

“… Specifically, we define the class of Weak Biorthogonal Greedy Algorithms for convex optimization that contains a wide range of greedy algorithms …”
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The WCGA in Lp(logL)α Spaces von Garrigós, Gustavo

“… We present some new results concerning Lebesgue-type inequalities for the Weak Chebyshev Greedy Algorithm (WCGA …”
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Weak weight-semi-greedy Markushevich bases von Berasategui, Miguel, Lassalle, Silvia

“… In all of the above cases, we also bring to the context of weights the weak greedy and Chebyshev greedy algorithms …”
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SPARSE APPROXIMATION AND RECOVERY BY GREEDY ALGORITHMS IN BANACH SPACES von TEMLYAKOV, V. N.

“… We study sparse approximation by greedy algorithms. We prove the Lebesgue-type inequalities for the weak Chebyshev greedy algorithm (WCGA …”
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A unified way of analyzing some greedy algorithms von Dereventsov, Anton, Temlyakov, Vladimir

“… In particular, we show that the following well-known algorithms --- the Weak Chebyshev Greedy Algorithm and the Weak Greedy Algorithm with Free Relaxation --- belong to this class …”
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Greedy expansions in convex optimization von Temlyakov, V. N.

“… approximation in Banach spaces-Weak Chebyshev Greedy Algorithm, Weak Greedy Algorithm with Free Relaxation, and Weak Relaxed …”
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Lebesgue-type inequalities in sparse sampling recovery von Dai, F, Temlyakov, V

“… In particular, we establish that a greedy type algorithm -- Weak Chebyshev Greedy Algorithm -- based on good points for the \(L_p\)-universal discretization provides good recovery in the \(L_p\) norm for \(2\le p<\infty\). Furthermore, we discuss the problem of stable recovery and demonstrate its close relationship with sampling discretization …”
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Biorthogonal Greedy Algorithms in Convex Optimization von Dereventsov, Anton, Temlyakov, Vladimir

“… Specifically, we define the class of Weak Biorthogonal Greedy Algorithms for convex optimization that contains a wide range of greedy algorithms …”
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Greedy expansions in convex optimization von Temlyakov, V N

“… spaces greedy algorithms -- Weak Chebyshev Greedy Algorithm, Weak Greedy Algorithm with Free Relaxation and Weak Relaxed …”
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On greedy approximation in complex Banach spaces von Gasnikov, A, Temlyakov, V

“… Recently, some of results proved for the Weak Chebyshev Greedy Algorithm (WCGA) in the case of real Banach spaces were extended to the case of complex Banach spaces …”
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