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Greedy expansions with prescribed coefficients in Hilbert spaces for special classes of dictionaries
Greedy expansions with prescribed coefficients have been introduced by V. N. Temlyakov in the frame of Banach spaces. The idea is to choose a sequence of fixed (real) coefficients $\{c_n\}_{n=1}^\infty$ and a fixed set of elements (dictionary) of the
Externí odkaz:
http://arxiv.org/abs/2209.03091
Publikováno v:
Demonstratio Mathematica, Vol 55, Iss 1, Pp 254-264 (2022)
Generalized approximate weak greedy algorithms (gAWGAs) were introduced by Galatenko and Livshits as a generalization of approximate weak greedy algorithms, which, in turn, generalize weak greedy algorithm and thus pure greedy algorithm. We consider
Externí odkaz:
https://doaj.org/article/987ac701c66b48dd8c3786e27e8dd55a
Publikováno v:
Open Mathematics, Vol 19, Iss 1, Pp 1-10 (2021)
Greedy expansions with prescribed coefficients were introduced by V. N. Temlyakov in a general case of Banach spaces. In contrast to Fourier series expansions, in greedy expansions with prescribed coefficients, a sequence of coefficients {cn}n=1∞{\
Externí odkaz:
https://doaj.org/article/34a04b82f1fd4e4aadd6e1369cce964a
Publikováno v:
International Journal of Mathematics & Mathematical Sciences. 12/9/2018, p1-6. 6p.
Autor:
Oliaro, Alessandro1 (AUTHOR) alessandro.oliaro@unito.it, Tomatis, Luca (AUTHOR), Valiullin, Albert R. (AUTHOR), Valiullin, Artur R.2,3 (AUTHOR)
Publikováno v:
Constructive Approximation. Nov2024, p1-17.