9 citations · 37 across the 29 of their papers we have counts for
Showing 2015 · math.COShow all
3 papers · 2 filters
math.CO2015
Cycle structure of autotopisms of quasigroups and Latin squares
Douglas S. Stones, Petr Vojtěchovský, Ian M. Wanless
An autotopism of a Latin square is a triple of permutations such that the Latin square is mapped to itself by permuting its rows by , columns by , and symbols by $γ…
math.CO2015
How permutations displace points and stretch intervals
Daniel Daly, Petr Vojtěchovský
Let be the set of permutations on and . Let be the arithmetic average of . Then $\mathrm{d}(π)/n\in[…
math.CO2015
Colored graphs without colorful cycles
Richard N. Ball, Aleš Pultr, Petr Vojtěchovský
A colored graph is a complete graph in which a color has been assigned to each edge, and a colorful cycle is a cycle in which each edge has a different color. We first show that a…