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Lee Mosher

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258 reputation
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258 reputation
 bio website visits member for 1 year, 2 months
15 badges
 location seen May 15 at 23:28
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8 Answers

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9
 Examples of perfect sets.
5
 Show the defined map onto $S^1$ is not a covering map.
3
 When does the Commensurator of a subgroup of a group $G$ not equal $G$?
3
 Free subgroup of an amalgamated free product
2
 Is there an operational isomorphism from $(\mathbb{Z},+)$ to $(\mathbb{Q}^{+},\cdot)$?
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258 Reputation

+2 What is the universal cover of SL(2,R)?
+10 Examples of perfect sets.
+10 Is there an operational isomorphism from $(\mathbb{Z},+)$ to $(\mathbb{Q}^{+},\cdot)$?
+10 How to write down explicit elements of a group from its presentation?
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0 Questions

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9 Tags

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group-theory × 6
3
lie-groups
9
measure-theory
3
abstract-algebra
9
analysis
1
knot-theory
6
geometric-group-theory × 2
1
homotopy-theory
5
algebraic-topology

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Mathematics Stack Exchange Mathematics 258 rep 15

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