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DPDA Deterministic PDA

DPDA Deterministic PDA. Deterministic PDA: DPDA. Allowed transitions:. (deterministic choices). Allowed transitions:. (deterministic choices). Not allowed:. (non deterministic choices). DPDA example. Definition:. A language is deterministic context-free

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DPDA Deterministic PDA

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  1. DPDADeterministic PDA Costas Busch - RPI

  2. Deterministic PDA: DPDA Allowed transitions: (deterministic choices) Costas Busch - RPI

  3. Allowed transitions: (deterministic choices) Costas Busch - RPI

  4. Not allowed: (non deterministic choices) Costas Busch - RPI

  5. DPDA example Costas Busch - RPI

  6. Definition: A language is deterministic context-free if there exists some DPDA that accepts it Example: The language is deterministic context-free Costas Busch - RPI

  7. Example of Non-DPDA (PDA) Costas Busch - RPI

  8. Not allowed in DPDAs Costas Busch - RPI

  9. PDAs Have More Power thanDPDAs Costas Busch - RPI

  10. It holds that: Deterministic Context-Free Languages (DPDA) Context-Free Languages PDAs Since every DPDA is also a PDA Costas Busch - RPI

  11. We will show that there exists a context-free language which is not accepted by any DPDA We will actually show: Deterministic Context-Free Languages (DPDA) Context-Free Languages (PDA) Costas Busch - RPI

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