Ballester Bolinches, Adolfo; Beidleman, J. C.; Cossey, John; Esteban Romero, Ramón; Rangland, M. F.; Schmidt, Jack(Springer Verlag (Germany), 2009-06)
The aim of this paper is to prove certain characterization theorems
for groups in which permutability is a transitive relation, the so called
PT -groups. In particular, it is shown that the finite solvable PT -groups,
the ...