On the Order Type of Scattered Context-Free Orderings

We show that if a context-free grammar generates a language whose lexicographic ordering is well-ordered of type less than ω^2, then its order type is effectively computable.

Bibliographic Details
Main Authors: Kitti Gelle, Szabolcs Iván
Format: Article
Language:English
Published: Open Publishing Association 2019-09-01
Series:Electronic Proceedings in Theoretical Computer Science
Online Access:http://arxiv.org/pdf/1909.08543v1