Abstract
A necessary and sufficient condition for a class of matrix operators acting from \(l^p1\) into \( l^p2\) to be continuous and compact is given in this paper, which answers I. J. Maddox's open problem.
A necessary and sufficient condition for a class of matrix operators acting from \(l^p1\) into \( l^p2\) to be continuous and compact is given in this paper, which answers I. J. Maddox's open problem.