Volume 32 • Number 2 • 2009   • Triangles Which are Bounded Operators on E. Savaş, H. Şevli and B. E. Rhoades Abstract. A lower triangular infinite matrix is called a triangle if there are no zeros on the principal diagonal. The main result of this paper gives a minimal set of sufficient conditions for a triangle for the sequence space defined as follows: 2000 Mathematics Subject Classification: 40C05. Full text: PDF