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

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  • Member for 8 years, 4 months
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  • Last seen Mar 1 at 18:45

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14 The cross product of two sets Nov 4 '12
13 Proving $A$ is invertible if $A + A^2 = I$. Nov 18 '12
11 Is a continuous mapping which is also open (closed) must be closed(open)? Nov 21 '12
11 What is the point of a lift in topology? Dec 20 '12
10 How to teach mathematical induction? Jun 18 '13
9 The fundamental group of the $ \mathbb R^3$ without a axis Nov 25 '12
6 Area enclosed by the curve $x^2+y^2=|x|+|y|$. Nov 7 '12
6 Equivalence Classes in the cartesian plane Dec 15 '12
5 Why don't we define “imaginary” numbers for every “impossibility”? Dec 16 '12
5 Set theory aspects of category theory Jan 14 '14
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