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May 19, 2011 at 14:08 comment added Steven Gubkin Is this counterexample minimal? Are there a pair of topological groups with cardinality less than 16 which are homeomorphic, isomorphic, but not isomorphic as topological groups? I guess this is a small enough problem that I could just do an exhaustive search.
Jan 4, 2011 at 20:07 history answered Steven Gubkin CC BY-SA 2.5