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Nine Open Problems on Conjunctive and Boolean Grammars

Alexander Okhotin, Nine Open Problems on Conjunctive and Boolean Grammars. TUCS Technical Reports 794, Turku Centre for Computer Science, 2006.

Abstract:

Conjunctive grammars are context-free grammars with an explicit conjunction operation in the formalism of rules; Boolean grammars are further equipped with an explicit negation. The paper briefly reviews these grammars and proposes 9 most interesting and important research problems for them. An award of $240 Canadian is offered for the first correct solution of each of these problems.

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BibTeX entry:

@TECHREPORT{tOkhotin06a,
  title = {Nine Open Problems on Conjunctive and Boolean Grammars},
  author = {Okhotin, Alexander},
  number = {794},
  series = {TUCS Technical Reports},
  publisher = {Turku Centre for Computer Science},
  year = {2006},
  keywords = {Conjunctive grammars, Boolean grammars, language equations, parsing, complexity, automata},
  ISBN = {952-12-1805-3},
}

Belongs to TUCS Research Unit(s): FUNDIM, Fundamentals of Computing and Discrete Mathematics

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