The group of automorphisms of the galilei group |
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| Authors: | G Marmo and G S Whiston |
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| Institution: | (1) Istituto di Fisica Teorica, Università di Napoli, Italy;(2) Istituto Nazionale di Fisica Nucleare, Sezione di Napoli;(3) Present address: Department of Mathematics, University of Durham, England |
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| Abstract: | The group of automorphisms of the Galilei groupG: Aut(G) is calculated. It is shown that Aut(G) has the structure of a semi-direct product byG of the group 
m
*
×m where m is the group of reals noted multiplicatively and
m
*
<m is the subgroup of positive reals. |
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| Keywords: | |
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