Ultrafilter semigroups
(1) Given a local left topological group X with a distinguished element 0, denote by Ult(X) the subsemigroup of X consisting of all nonprinci- pal ultra lters on X converging to 0. Any two countable nondiscrete zero-dimensional local left topological groups X and Y with count- able bases are lo...
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| Format: | Others |
| Language: | en |
| Published: |
2011
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| Online Access: | http://hdl.handle.net/10539/10146 |