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Sheila Adele Greibach (born 6
October 1939 in New York City) is an
American researcher in
formal languages in computing, automata,
compiler theory and...
- In
formal language theory, a context-free
grammar is in
Greibach normal form (GNF) if the right-hand
sides of all
production rules start with a terminal...
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theoretical computer science, in
particular in
formal language theory,
Greibach's theorem states that
certain properties of
formal language classes are...
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stack symbol is the grammar's
start symbol. For a context-free
grammar in
Greibach normal form,
defining (1,γ) ∈ δ(1,a,A) for each
grammar rule A → aγ also...
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music Jordan normal form in
formal language theory:
Chomsky normal form
Greibach normal form
Kuroda normal form
Normal form (abstract rewriting), an element...
- that is ε-free can be
transformed into an
equivalent LL(k)
grammar in
Greibach normal form (which by
definition does not have
rules with left recursion)...
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artist and
Visiting Professor at the
University of Sunderland.
Sheila Greibach (born 1939),
American theoretical computer scientist Sheila Han**** (born...
- grammars, and its
variant probabilistic CKY. Backus–Naur form CYK
algorithm Greibach normal form
Kuroda normal form
Pumping lemma for context-free languages...
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Ullman p. 185ff)
Greibach's theorem:
undecidability in
language theory (cf
Hopcroft and
Ullman p. 205ff and
reference on p. 401 ibid:
Greibach [1963] "The...
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foundations of
Computer Science.
Members of the
research group included:
Sheila Greibach,
Michael A. Harrison, Gene Rose, Ed Spanier, and Joe Ullian. The work that...
