A. Opanowicz, LIE BI-ALGEBRA STRUCTURES FOR CENTRALLY EXTENDED 2-DIMENSIONAL GALILEI ALGEBRA AND THEIR LIE-POISSON COUNTERPARTS, Journal of physics. A, mathematical and general (Print), 31(41), 1998, pp. 8387-8396
All bi-algebra structures for centrally extended Galilei algebra are c
lassified. The corresponding Lie-Poisson structures on centrally exten
ded Galilei group are found.