This implements an abstract version of the default greedy algorithm for reduced basis and empirical interpolation basis generation. The actual implementation of the ...

We give an explicit construction of an almost greedy basis of L¹(0,1), complementing the results on existence of such a basis. The basis is described in terms of the Haar basis. We construct a ...

Banach spaces, as complete normed vector spaces, form a central framework in modern functional analysis. Their rich geometric structure underpins much of the theoretical development in approximation ...

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