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Download fileA survey on the local divisor technique
journal contribution
posted on 2018-02-23, 09:35 authored by Volker Diekert, Manfred Kufleitner© 2015 Elsevier B.V. Local divisors allow a powerful induction scheme on the size of a monoid. We survey this technique by giving several examples of this proof method. These applications include linear temporal logic, rational expressions with Kleene stars restricted to prefix codes with bounded synchronization delay, Church-Rosser congruential languages, and Simon's Factorization Forest Theorem. We also introduce the notion of a localizable language class as a new abstract concept which unifies some of the proofs for the results above.
Funding
M.K. was supported by the German Research Foundation (DFG) grant DI 435/5-2.
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