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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...
-
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...
-
music Jordan normal form in
formal language theory:
Chomsky normal form
Greibach normal form
Kuroda normal form
Normal form (abstract rewriting), an element...
- operations",
Encyclopedia of Mathematics, EMS
Press Ginsburg &
Greibach (1967) Ginsburg, Seymour;
Greibach,
Sheila (1967). "Abstract
Families of Languages". Conference...
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artist and
Visiting Professor at the
University of
Sunderland Sheila Greibach (born 1939),
American theoretical computer scientist Sheila Han**** (born...
- ε-production has an
equivalent grammar in
Chomsky normal form, and a
grammar in
Greibach normal form. "Equivalent" here
means that the two
grammars generate the...
- grammars, and its
variant probabilistic CKY. Backus–Naur form CYK
algorithm Greibach normal form
Kuroda normal form
Pumping lemma for context-free languages...
-
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...