# CMPSCI 250: Introduction to Computation

### David Mix Barrington

### Spring, 2005

# Homework Assignment #8

#### Posted Monday 2 May 2005

#### Due on paper in class, Wednesday 11 May 2005, or to the
CMPSCI main office by 4:00 p.m. that day

Problem 9.8.5 removed 10 May 2005.

There are nine questions for 90
total points.
All are from the textbook, *A
Mathematical Foundation for Computer Science*, from the brown volume.
"Problem 1.1.2", for
example, refers to Problem #2 in Section 1.1, and similarly. The number after each
problem is its point value. Make sure
you don't do an Exercise when a Problem is assigned!

Students are responsible for understanding and following
the academic honesty
policies indicated on this page.

- Page 9-34: Problems 9.6.1 (10), 9.6.2 (10), and 9.6.4 (10)
- Page 9-43: Problem 9.7.5 (10) (Note that when this construction is
applied to an ordinary NFA, it usually creates a λ-NFA.)
- Page 9-50: Problems 9.8.1 (10) (Problem 9.8.5 was assigned, but
is withdrawn because I haven't given you the tools to do it such as an NFA class.)
- Page 9-60: Problems 9.10.4 (10) and 9.10.5 (10)
- Pages 10-10 and 10-11: Problem 10.1.5 (10)
- Page 10-43: Problem 10.6.2 (10)

Last modified 10 May 2005