Three dimensional Heisenberg group (Ex)
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Diarmuid Crowley (Talk | contribs)
(Created page with "<wikitex>; Is the three dimensional Heisenberg group $\langle x,y,z \mid [x,y] = z, [x,z] = 1, [y,z] = 1\}$ the fundamental group of a closed orientable $3$-manifold? </wikite...")
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(Created page with "<wikitex>; Is the three dimensional Heisenberg group $\langle x,y,z \mid [x,y] = z, [x,z] = 1, [y,z] = 1\}$ the fundamental group of a closed orientable $3$-manifold? </wikite...")
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Revision as of 08:54, 6 January 2019
Is the three dimensional Heisenberg group the fundamental group of a closed orientable -manifold?