An inequality for the entropy numbers and its application
نویسنده
چکیده
We prove an inequality for the entropy numbers in terms of nonlinear Kolmogorov’s widths. This inequality is in a spirit of known inequalities of this type and it is adjusted to the form convenient in applications for m-term approximations with respect to a given system. Also, we obtain upper bounds for the m-term approximation by the Weak Relaxed Greedy Algorithm with respect to a system which is not a dictionary.
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ورودعنوان ژورنال:
- Journal of Approximation Theory
دوره 173 شماره
صفحات -
تاریخ انتشار 2013