Let X, Y be two subspaces of summability domains of matrices with real or complex entries determined by speeds of the convergence, i.e.; by monotonically increasing positive sequences λ and μ. In this ...

This is a preview. Log in through your library . Abstract A hereditarily indecomposable Banach space 𝔛𝔫𝔯 is constructed that is the first known example of a 𝔏∞-space not containing c₀, ℓ₁, or ...