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CS 3240: Languages and Computation

CS 3240: Languages and Computation. Turing Machines. Properties of CFGs. Undecidable problems for CFL. Turing Machines. Reducibility among problems. Turing Machine. Moves of a TM. Acceptance by halting. Variations of TMs. Project 1. Building an Expanded Suffix Tree.

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CS 3240: Languages and Computation

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  1. CS 3240: Languages and Computation Turing Machines

  2. Properties of CFGs

  3. Undecidable problems for CFL

  4. Turing Machines

  5. Reducibility among problems

  6. TuringMachine

  7. Moves of a TM

  8. Acceptance by halting

  9. Variations of TMs

  10. Project 1

  11. Building an Expanded Suffix Tree

  12. A Suffix Tree in Compact Formcan be built in linear time (Weiner 73, McCreight 75, Ukkonen 95) • A Suffix Tree is a digital search tree storing the set of suffixes of a same string x. Symbol is a special marker not appearing elsewhere in x. To achieve linear space, the substring labeling each arc is encoded in practice by a pair of pointers to the beginning and end of one of its occurrences in x .

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