Mathematical Structures: History of Banach spaces

# History of Banach spaces

 A Banach space is a href{Normed_vector_spaces.pdf}{normed vector space} $\mathbf{A}=\langle A,+,-,0,s_r (r\in F),||\cdot||\rangle$ that is complete:
 A Banach space is a \href{Normed_vector_spaces.pdf}{normed vector space} $\mathbf{A}=\langle A,+,-,0,s_r (r\in F),||\cdot||\rangle$ that is complete: