Browsing by Subject "Isometries"

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Bianchi spaces and their 3 -dimensional isometries as S -expansions of 2 -dimensional isometries

Caroca, Ricardo; Kondrashuk, Igor; Merino, Nelson; Nadal, Felipe (2013)

In this paper we show that some 3-dimensional isometry algebras, specifically those of type I, II, III and V ( according Bianchi’s classification), can be obtained as expansions of the isometries in 2 dimensions. It is ...