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tcmtan

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 9 years, 1 month
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24 Why are vector spaces sometimes called linear spaces? Dec 1 '12
20 If the product of two non-zero square matrices is zero, then both factors must be singular. Feb 21 '12
11 Motivation for solution to constructing a set of 1983 distinct integers such that no three are consecutive terms of an arithmetic progression Jan 10 '12
11 Confusion concerning Burnside's Lemma Apr 22 '12
10 Explanation for why $1\neq 0$ is explicitly mentioned in Chapter 1 of Spivak's Calculus for properties of numbers. Jun 30 '12
9 Meaning and example(s) of Qiaochu's quote. Oct 17 '12
8 Seemingly invalid step in the proof of $\frac{a^2+b^2}{ab+1}$ is a perfect square? May 5 '12
7 Linear Algebra and Geometry by Kostrikin and Manin: Remark regarding diagrams and graphic representations. Nov 29 '12
7 Minimal subbases for the canonical topology on $\mathbb{R}$? Nov 25 '13
5 Let $x$ and $y$ be positive integers such that $xy \mid x^2+y^2+1$. Mar 2 '12
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