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# On the structure of linear apex NLC graph grammars

@article{Kim2012OnTS, title={On the structure of linear apex NLC graph grammars}, author={Changwook Kim}, journal={Theor. Comput. Sci.}, year={2012}, volume={438}, pages={28-33} }

- Published 2012 in Theor. Comput. Sci.
DOI:10.1016/j.tcs.2012.02.038

It is known that linear apex NLC (Lin-A-NLC) grammars can generate NP-complete graph languages. The present paper examines the source of this expressive power by analyzing complexity and decidability of the so-called k-connecting Lin-A-NLC (k-Lin-ANLC) grammars in which the right-hand side of each production contains at most k nodes that can be connected to outside nodes. The number of connecting nodes is indeed one source of the expressive power of graph grammars in that k-Lin-A-NLC ( (k + 1… CONTINUE READING