Read Sipser §8.4, §8.5, and §8.6
- The book gives CD-ROMs as an example in this reading, however many of our modern day computers do not support CD-ROMs. Give a modern example that fits the same idea of a read-only input tape.
- Explain why the book needs to give definition 8.20.
- Explain why we use log space reducibility (instead of polynomial space) to prove that languages are NL-hard.
- Summarize the logical steps behind the proof of Theorem 8.27.