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janmarqz
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41
Every normal subgroup is the kernel of some homomorphism
Jul 18, 2015
17
Tricks - Prove Homomorphism Maps Identity to Identity - Fraleigh p. 128 Theorem 13.12(1.)
Jan 22, 2014
11
Applications of the wreath product?
Feb 2, 2014
10
Interesting and unexpected applications of $\pi$
Feb 25, 2014
9
Can $\le$ be used insted of < in the definition of continuity?
Jan 19, 2014
8
How can I visualize the Cartesian product of sets?
Oct 14, 2015
7
Showing $(ab)^n=a^nb^n$ given $(ab)^2=a^2b^2$.
Feb 26, 2017
7
Nice examples of groups which are not obviously groups
Jan 8, 2014
7
Matrix representation of shape operator
Jan 26, 2015
7
Why doesn't it work when I calculate the second order derivative?
Dec 18, 2014
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15
books well-motivated with explicit examples
11
Plot of a tornado-shaped surface
10
books well-motivated with explicit examples
10
Introductory text on geometric group theory?
6
Nice proof of the Jordan curve theorem?