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2019

2019

A prefix grammar is a context-free grammar whose nonterminals generate prefix-free languages. A prefix grammar $G$ is an ordinal… Expand

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2014

2014

The paper studies the subsequence relation through a notion of an intransitive binary relation on words in traces generated by… Expand

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2011

2011

We prove that there exists no algorithm to decide whether the language generated by a context-free grammar is dense with respect… Expand

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2011

2011

We present an analysis of how the genotype-phenotype map in Grammatical Evolution (GE) can effect performance on the Max Problem… Expand

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2011

2011

We consider context-free languages equipped with the lexicographic ordering. We show that when the lexicographic ordering of a… Expand

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2010

2010

We prove that there exists no algorithm to decide whether the language generated by a context-free grammar is dense with respect… Expand

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1986

1986

A powerful method of parsing is presented, that suits particularly well the Graham-Glanville code generation methodology. This… Expand

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