(1) Faculty of Science, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China (SAR);(2) Department of Mathematics, Xian University of Architecture Technology, Xian, China
Abstract:
The concept of super hamiltonian semigroup is introduced. As a result, the structure theorems obtained by A. Cherubini and A. Varisco on quasi commutative semi-groups and quasi hamiltonian semigroups respectively are extended to super hamiltonian semigroups.