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Courtesy Costas Busch - RPI1 Linear Bounded Automata LBAs.
Courtesy Costas Busch - RPI1 A Universal Turing Machine.
Courtesy Costas Busch - RPI1 Pushdown Automata PDAs.
Courtesy Costas Busch - RPI1 Recursively Enumerable and Recursive Languages.
Courtesy Costas Busch - RPI1 NPDAs Accept Context-Free Languages.
Courtesy Costas Busch - RPI1 Turing’s Thesis. Courtesy Costas Busch - RPI2 Turing’s thesis: Any computation carried out by mechanical means can be performed.
Courtesy Costas Busch - RPI1 Turing Machines. Courtesy Costas Busch - RPI2 The Language Hierarchy Regular Languages Context-Free Languages ? ?
Courtesy Costas Busch - RPI1 Non-regular languages.
Courtesy Costas Busch - RPI1 Reducibility. Courtesy Costas Busch - RPI2 Problem is reduced to problem If we can solve problem then we can solve problem.
Pushdown Automata PDAs
