Decidability in geometric grid classes of permutations
arXiv:2308.04201 · doi:10.1090/proc/17083
Abstract
We prove that the basis and the generating function of a geometric grid class of permutations Geom are computable from the matrix , as well as some variations on this result. Our main tool is monadic second-order logic on permutations and words.
15 pages; final journal version