Mathematics
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Nai

I never took math after High School!

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26 How can I prove $\sup(A+B)=\sup A+\sup B$ if $A+B=\{a+b\mid a\in A, b\in B\}$ Mar 3 '14
12 If every convergent subsequence converges to $a$, then so does the original bounded sequence (Abbott p 58 q2.5.4 and q2.5.3b) May 1 '14
11 Find all proper nontrivial subgroups of $\mathbb Z_2 \times \mathbb Z_2 \times \mathbb Z_2$ - Fraleigh p. 110 Exercise 11.10 Jan 19 '14
10 How often should math students take day breaks and longer breaks or vacations? Any research? Jan 22 '14
10 Quotient Group G/G = {identity}? Dec 28 '12
10 Scratch work for delta-epsilon proof for $\lim_{x \to 13} \sqrt{x-4} = 3$ Feb 14 '14
8 Group Action - Permutation on the Polynomial Dec 24 '12
8 Tricks - Prove Homomorphism Maps Identity to Identity - Fraleigh p. 128 Theorem 13.12(1.) Jan 22 '14
8 Find all subgroups of $\mathbb{Z_2} \times \mathbb{Z_2} \times \mathbb{Z_4}$ isomorphic to the Klein $4$-group. Jan 19 '14
7 $ \{x : P(x)\} $ vs. $ \{P(x) : x\} $ -— When are these set-builder notations the same and different? Jul 12 '13
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