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Dmitry Kamenetsky's user avatar
Dmitry Kamenetsky's user avatar
Dmitry Kamenetsky's user avatar
Dmitry Kamenetsky
  • Member for 7 years, 4 months
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18 votes
Accepted

Longest known sequence of identical consecutive Collatz sequence lengths?

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 $n$?

3 votes

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

3 votes

Difference Triangles

2 votes

What ($\le $) 500-digit number has 62,118 steps ? (Collatz conjecture)

2 votes

Minimal Rook Difference Grids

2 votes

Tight Acute Sets

2 votes

Identifying 2 poisoned wines out of 2^n wines

2 votes

Tight Acute Sets

1 vote

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

1 vote

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

1 vote

Hailstone numbers producing a specific number of rises and falls

0 votes

Most number of consecutive odd primes in a Collatz sequence

0 votes

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

0 votes

Where are the Optimal Tours of TSPLIB 95 Instances?