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Brian M. Scott's user avatar
Brian M. Scott's user avatar
Brian M. Scott's user avatar
Brian M. Scott
  • Member for 14 years, 5 months
  • Last seen this week
  • Cleveland Heights, OH
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About

Professor emeritus at Cleveland State University. I’m a set-theoretic and general topologist with an interest in combinatorics. I’m also interested in linguistics, especially historical linguistics.

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1019
Does $\pi$ contain all possible number combinations?
Oct 18, 2012
434
Find five positive integers whose reciprocals sum to $1$
Jan 30, 2013
234
Any open subset of $\Bbb R$ is a countable union of disjoint open intervals
Mar 2, 2013
220
Are half of all numbers odd?
Jan 23, 2012
202
If $x$, $y$, $x+y$, and $x-y$ are prime numbers, what is their sum?
Dec 4, 2012
158
Intuition on group homomorphisms
Nov 22, 2012
152
How to prove that a compact set in a Hausdorff topological space is closed?
Nov 18, 2011
142
$X$ is Hausdorff if and only if the diagonal of $X\times X$ is closed
Apr 25, 2012
124
Why are maximal ideals prime?
Sep 29, 2011
119
How to respond to "solve this equation" in a basic algebra class
Jul 16, 2013

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What is the real reason for closing math.stackexchange.com/q/218571/12042?
29
Proper use of the (homework) tag redux
24
2014 Moderator Election Q&A - Question Collection

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What does ‘alpha’ mean in the phrase, “A plea came for the President to be more alpha.”
19
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Plural of "abacus"
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14
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