Inequalities of Hardy-Littlewood-Polya type for operators in Hilbert space

V.F. Babenko, N.A. Kryachko
2013 Researches in Mathematics  
We obtained sharp "multiplicative" and sharp "additive" inequalities of Hardy-Littlewood-Polya type for operators in Hilbert space.
doi:10.15421/241304 fatcat:3xoz7cwhzjbuthttwnohhiqxiq