Lecture 26
Section outline
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November 29th, Friday (08:30-10:30)
Turing Machine
- Extension of TM
- Multi-tape TM
- Nondeterministic TM
- TM with restrictions
- TM with semi-infinite tape
Exercises
- State whether the following languages are in CFL (exercise 2 from final exam of February 13th, 2019):
- \( L_1 = \{ a^n b a^n b a^m\; | \; n,m \geq 1, \; m \geq n \} \)
- \( L_2 = \{ a^n b a^p b a^m\; | \; n,p,m \geq 1, \; m \geq n \} \)
References
- Hopcroft et al., chapter 8