On Bounded Rational Trace Languages

被引:0
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作者
Christian Choffrut
Flavio D’Alessandro
Stefano Varricchio
机构
[1] Université de Paris 7,Laboratoire LIAFA
[2] Università di Roma “La Sapienza”,Dipartimento di Matematica
[3] Università di Roma “Tor Vergata”,Dipartimento di Matematica
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Trace languages; Bounded languages; Rational relations;
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摘要
In this paper, for a finitely generated monoid M, we tackle the following three questions: Is it possible to give a characterization of rational subsets of M which have polynomial growth?What is the structure of the counting function of rational sets which have polynomial growth?Is it true that every rational subset of M has either exponential growth or it has polynomial growth? Can one decide for a given rational set which of the two options holds? We give a positive answer to all the previous questions in the case that M is a direct product of free monoids. Some of the proved results also extend to trace monoid.
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页码:351 / 369
页数:18
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