𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Bad news on decision problems for patterns

✍ Scribed by Dominik D. Freydenberger; Daniel Reidenbach


Book ID
113641854
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
248 KB
Volume
208
Category
Article
ISSN
0890-5401

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Decision Problems for Patterns
✍ T. Jiang; A. Salomaa; K. Salomaa; S. Yu πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 742 KB

We settle an open problem, the inclusion problem for pattern languages. This is the first known case where inclusion is undecidable for generative devices having a trivially decidable equivalence problem. The study of patterns goes back to the seminal work of Thue and is important also, for instance