Filomat, cilt.32, sa.3, ss.767-774, 2018 (SCI-Expanded)
Let A = (a nk) be a Köthe matrix. In this paper, we introduce the space λbs (A) and we emphasize on some topological properties of the spaces c 0 (A), λ bs (A) and λ p (A) together with some inclusion relations, where 1 ≤ p ≤ ∞.