math110

# 16 Questions

3
12
votes
3
answers
2k
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11
23
votes
3
answers
1k
views

3
5
votes
0
answers
1k
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### A stronger Cauchy-Schwarz inequality for traces of compression matrices

Nov 1 '14 at 21:11 Community 1
1
4
votes
2
answers
1k
views

3
14
votes
4
answers
1k
views

1
8
votes
0
answers
601
views

### How prove this polynomial inequality from a book

Dec 17 '14 at 6:12 math110 1,157
2
3
votes
1
answer
592
views

2
5
votes
0
answers
444
views

### For which rational values of $c$ and $d$ are the numbers $\sin{(\pi\cdot c)}$, $\sin{(\pi\cdot d)}$ and $1$ linearly dependent over $\mathbb{Q}$?

Jan 16 '15 at 17:06 GH from MO 68.6k
3
8
votes
1
answer
438
views

1
4
votes
1
answer
356
views

1
2
votes
0
answers
258
views

### For which constant $d$ this polynomial is reducible over $\mathbb Q$? [closed]

Jan 6 '14 at 4:36 Daniel Litt 18.2k

2
votes
0
answers
235
views

### A integral equation with Discrete to result by inverse problem

Feb 14 '15 at 13:21 Community 1

2
votes
0
answers
224
views

### Can estimate upper bound of $|p_{i}|$ or $|q_{i}|?$

Jun 28 '15 at 3:17 math110 1,157

2
votes
1
answer
219
views

4
votes
0
answers
193
views

### How find this binomial-coefficients sum $\sum_{k_{1}+k_{2}+\cdots+k_{d}=n}\binom{n}{k_{1},k_{2},\cdots,k_{d}}^2$ [duplicate]

Oct 28 '14 at 3:17 math110 1,157
1
0
votes
0
answers
123
views

### this sequence $A_{n}$ have recursive relations?

Dec 20 '14 at 9:43 Community 1