On the Factorization of Matrices.
Note on a Paper of M.Banach
The article is a comment on a paper of Stefan Banach, that develops the properties of certain entities which form a class E. The author recalls postulates regarding E (which is called a vector domain if it satisfies postulates mentioned); examples of vector domains; EC systems. He then formulates some conclusions on the properties of EC systems.
A class of gap theorems
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