3 citations · 3 across the 7 of their papers we have counts for
Showing 2012Show all
3 papers · 1 filter
math.CO2012
Billiards and the Five Distance Theorem II
Jan Florek
We consider a billiard table rectangle. If a billiard ball is sent out from position F(1) at the angle of , then the ball will rebound against the sides of the rectangle conse…
math.CO2012
Arc-Disjoint Cycles and Feedback Arc Sets
Jan Florek
Isaak posed the following problem. Suppose is a tournament having a minimum feedback arc set which induces an acyclic digraph with a hamiltonian path. Is it true that the maxim…
math.CO2012
Orbits and Hamilton bonds in a family of plane triangulations with vertices of degree three or six
Jan Florek
Let be the family of all 2-connected plane triangulations with vertices of degree three or six. Grünbaum and Motzkin proved (in the dual terms) that every graph $P \in \c…