Lwins

# 37 Questions

10
22
5
4k
views

6
20
1
3k
views

5
7
2
443
views

2
6
1
395
views

5
2
410
views

1
4
0
167
views

### Determine binary function $f(x)$ by partial observation of $x$

Sep 12 '17 at 14:46 Lwins 1,277

4
1
415
views

### Find a subset such that its sum is divisible by $n$

1
4
0
175
views

Oct 30 '13 at 17:15 Lwins 1,277
1
4
0
666
views

### A problem in number theorem with a number of the base p

May 23 '12 at 12:26 Lwins 1,277
1
3
1
169
views

1
3
1
174
views

3
1
189
views

3
0
153
views

### Is $2$ always a $p^{\rm th}$-power nonresidue modulo $2^p-1$?

Nov 4 '12 at 3:07 Lwins 1,277

2
1
120
views

2
0
53
views

### Reference request: $n$-edge-coloring bipartite graph $K_{n,n}$ such that monochromatic parts are isomorphic

Mar 21 '19 at 5:48 Lwins 1,277
1
2
0
138
views

### 1-bit binary secret sharing

Dec 13 '18 at 0:36 Fuchun Lin 1

2
1
108
views

2
0
36
views

### Estimates for the drop in the sum of all pairwise weighted distances effected by a decrease of the weight of an edge

Sep 4 '17 at 19:43 Lwins 1,277

2
0
68
views

### The $n$-th derivative for $z$ at $z = 0$ of $F(a,b)(z)$ is no less than that of $F(\frac{a+b}{2},\frac{a+b}{2})(z)$ [closed]

Aug 7 '17 at 18:02 Lwins 1,277

2
2
200
views

2
0
178
views

### For sum of unit-roots

Dec 24 '12 at 14:52 Lwins 1,277

2
0
165
views

### Generating Permutations with Given Set

Apr 27 '12 at 8:07 Lwins 1,277
1
1
vote
0
56
views

### Negative association in a “k out of n” process

Sep 23 '18 at 5:37 Lwins 1,277

1
vote
1
95
views

1
vote
0
110
views

### Minimal entropy with constraint on $2$-norm: Finding reference

Jul 29 '17 at 13:01 Lwins 1,277

1
vote
1
285
views

1
vote
3
1k
views

1
vote
2
587
views

1
vote
2
278
views

1
vote
1