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Mathematics
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Randall

Professor and chair of a math department. 15 years in the former, 6 in the latter.

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  • Member for 1 year, 10 months
  • 2,370 profile views
  • Last seen 21 mins ago

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Top posts (353) All Questions Answers | Votes Newest

34 Is $9-4+1$ not equal to $4$? Oct 23 '18
30 Power series representation of arctangent: fails to converge everywhere Nov 27 '17
30 Do cubics always have one real root? Mar 10
29 What's a “deleted neighborhood”? (other than very very confusing) Sep 12 '17
26 Why must be the additive and multiplicative identities in a field be different? Nov 16 '17
18 Is R/Z isomorphic to R/2Z? Mar 12 '18
14 Is there a metric on the reals $\Bbb R$ so that a subset of $\Bbb R$ is open iff its complement is finite? Jul 29 '18
13 Problem with the definition of a discrete topology Sep 22 '17
12 Is $G/H\times H\simeq G$ topologically? Apr 23 '18
11 What does it mean when I say that addition/multiplication for an equivalence relation is well defined? Apr 29 '18
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