User Dmitry Kamenetsky - Mathematics Stack Exchange

Dmitry Kamenetsky

Member for 6 years, 9 months
Last seen more than a week ago

14 Answers

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16 votes

Accepted

Longest known sequence of identical consecutive Collatz sequence lengths?

answered Jun 26, 2020 at 1:52

3 votes

What is known about the minimal number $f(n)$ of geometric progressions needed to cover $\{1,2,\ldots,n\}$, as a function of $n$?

answered Jul 13, 2019 at 7:09

3 votes

Difference Triangles

answered Jun 4, 2021 at 1:24

2 votes

Minimal Rook Difference Grids

answered Jun 9, 2021 at 2:55

2 votes

Tight Acute Sets

answered Mar 21, 2018 at 23:29

2 votes

Logic problem: Identifying poisoned wines out of a sample, minimizing test subjects with constraints

answered Oct 26, 2017 at 23:45

2 votes

Identifying 2 poisoned wines out of 2^n wines

answered Oct 29, 2017 at 7:40

2 votes

Tight Acute Sets

answered Jan 6, 2018 at 7:36

1 vote

Maximum number of points attaining acute angles in $\mathbb{R}^n$

answered Mar 2, 2018 at 11:59

1 vote

Maximum number of points attaining acute angles in $\mathbb{R}^n$

answered Jan 3, 2018 at 1:20

0 votes

Where are the Optimal Tours of TSPLIB 95 Instances?

answered Sep 24, 2018 at 8:12

0 votes

How many rats are needed to find 3 poisoned bottles out of n bottles of wine?

answered Aug 8, 2020 at 15:28

0 votes

Most number of consecutive odd primes in a Collatz sequence

answered Jun 26, 2020 at 13:58

0 votes

Hailstone numbers producing a specific number of rises and falls

answered Oct 12, 2022 at 9:41