Laplacinator
• Member for 6 years, 9 months

# 48 Questions

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### Show that the Borel $\sigma$-algebra on $\mathbb{R}$ is generated by the compact sets of $\mathbb{R}$ (Solution Critique)

Jul 30 '17 at 13:29 Laplacinator 860

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### Showing that an elliptic curve has at most 8 elements of order 3

Oct 19 '16 at 9:20 Laplacinator 860
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### Show that there exists a function such that $\mu(A) = \sum_{x \in A} f(x)$ [Hint needed]

Sep 19 '17 at 16:40 Laplacinator 860

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### Show that if $\mathbb{Z_n^*}$ has an element of order d, then it has at least $\phi(d)$ elements of order d. (Proof Critique)

Oct 15 '16 at 11:34 Laplacinator 860
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### Critique my "proof" that nr of left cosets = nr of right cosets

Apr 14 '16 at 13:58 Laplacinator 860
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