Tomáš Masopust ; Jiří Techet - Leftmost derivations of propagating scattered context grammars: a new proof

dmtcs:446 - Discrete Mathematics & Theoretical Computer Science, January 1, 2008, Vol. 10 no. 2 - https://doi.org/10.46298/dmtcs.446
Leftmost derivations of propagating scattered context grammars: a new proof

Authors: Tomáš Masopust ; Jiří Techet

In 1973, V. Virkkunen proved that propagating scattered context grammars which use leftmost derivations are as powerful as context-sensitive grammars. This paper brings a significantly simplified proof of this result.


Volume: Vol. 10 no. 2
Section: Automata, Logic and Semantics
Published on: January 1, 2008
Imported on: March 26, 2015
Keywords: [INFO.INFO-DM] Computer Science [cs]/Discrete Mathematics [cs.DM]


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