2014/09/16 by Brignall, Robert, Vatter, Vincent
#Combinatorics (math.CO) #FOS: Mathematics
paper · doi:10.48550/arxiv.1409.4725
When specialized to the context of permutations, Schmerl and Trotter's Theorem states that every simple permutation which is not a parallel alternation contains a simple permutation with one fewer entry. We give an elementary proof of this result.