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Multiple Context-Free Tree Grammars: Lexicalization and Characterization
[article]
2017
arXiv
pre-print
Multiple (simple) context-free tree grammars are investigated, where "simple" means "linear and nondeleting". Every multiple context-free tree grammar that is finitely ambiguous can be lexicalized; i.e., it can be transformed into an equivalent one (generating the same tree language) in which each rule of the grammar contains a lexical symbol. Due to this transformation, the rank of the nonterminals increases at most by 1, and the multiplicity (or fan-out) of the grammar increases at most by
arXiv:1707.03457v1
fatcat:mhkis4o4gnhjtc6kuajwsratme