Geodesic
Condition of coincidence between greedy approximations and $m$-term ones
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 2 (2022), pp. 18-23

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We give conditions on a set $M$ in a Banach space that are necessary or sufficient for the following: every element which is a sum of $n$ elements from $M$ has zero $n$-th greedy residual under greedy approximation with respect to $M$. 
@article{VMUMM_2022_2_a1,
     author = {K. S. Vishnevetskiy},
     title = {Condition of coincidence between greedy approximations and $m$-term ones},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {18--23},
     publisher = {mathdoc},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2022_2_a1/}
}
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K. S. Vishnevetskiy. Condition of coincidence between greedy approximations and $m$-term ones. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 2 (2022), pp. 18-23. http://geodesic.mathdoc.fr/item/VMUMM_2022_2_a1/