Thomas Andrews

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29,814 reputation

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bio	website	thomasoandrews.com
	location	Cambridge, MA
	age	47
visits	member for	2 years, 2 months
	seen	57 mins ago
stats	profile views	3,701

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762 Answers

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42	Why do we negate the imaginary part when conjugating?
42	How did Euler prove the Mersenne number $2^{31}-1$ is a prime so early in history?
38	Is McGee's counterexample to Modus Ponens accepted by the mathematical community?
36	Why not write $\sqrt{3}2$?
35	Best Fake Proofs? (A M.SE April Fools Day collection)

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29,814 Reputation

+10	Why do we negate the imaginary part when conjugating?
-2	Are there non-Hausdorff examples of maximal compact topologies in the lattice of topologies on a set?
+30	Show that $e^{\pi}>\pi^e$.
+15	What is the mathematical definition of index set?

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12 Questions

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25	Functions $f:\mathbb{N}\rightarrow \mathbb{Z}$ such that $(m-n) \| (f(m)-f(n))$
8	Are there non-Hausdorff examples of maximal compact topologies in the lattice of topologies on a set?
6	Is axiom of choice required for there to be an infinite linearly independent set in a (non-finite-dimensional) vector space?
5	Is “monotonous” ever used as a synonym for “monotonic” in math?
5	Further examples of 1-transitive but not 2-transitive groups of self-homeomorphisms

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236 Tags

255 elementary-number-theory × 69	178 sequences-and-series × 46
218 number-theory × 53	166 homework × 56
203 real-analysis × 66	141 complex-analysis × 31
199 abstract-algebra × 67	130 limit × 24
182 calculus × 53	127 analysis × 27

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$Mathematics Stack Exchange$	Mathematics	29,814 rep	13268
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