CSC 456/656 Assignment 1

Due date: Thursday, September 9, 2004, 4:00 PM. Updated: Mon Sep 6 02:36:27 PDT 2004

All assignments must be handwritten (not typed or printed from a computer file) in your own handwriting, on 8.5 by 11 inch paper, or on A4 paper. Write your name on each sheet, and do not fold the pages or crimp the corners. (You may use a paper clip or a staple.)
Turn the pages in to me or to the graduate assistant on the due date.
  1. Work Exercise 1.1 and 1.2 on on page 83 of your textbook. (These should be easy, but you should do them before you do 1.4.)
  2. Work Exercise 1.3 on page 84 of your textbook.
  3. Work Exercise 1.4 on page 84 of your textbook. Note Change! In every case, you should try to find the DFA that has the smallest possible number of states. (These will take substantial time, hence you should get started over the weekend.)
  4. For discussion only. Think of thepoor grader trying to grade Exercise 1.4. Do you think the "grader's problem" for Exercise 1.4 is decidable or undecidable? Do not hand in an answer to this problem, but think about it: we will discuss it in class.

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