Problem Set 2

Most of the problems are assigned from the required textbook Amazon logo Bona, Miklos. A Walk Through Combinatorics: An Introduction to Enumeration and Graph Theory. World Scientific Publishing Company, 2011. ISBN: 9789814335232. [Preview with Google Books]

A problem marked by * is difficult; it is not necessary to solve such a problem to do well in the course.

Problem Set 2

  • Due in Session 6
  • Practice Problems
    • Session 3: Chapter 3: Exercises 8, 9, 12, 18, 23, 24*
    • Session 4: Chapter 4: Exercises 3, 13, 16, 26
    • Session 5: Chapter 5: Exercises 6, 7, 8
  • Problems Assigned in the Textbook
    • Chapter 3: Exercises 38*, 41, 49. In my opinion Problem 38 does not deserve its (+), while 41 might need it.
    • Chapter 4: Exercises 29, 39, 53*. Naturally in 53 you shouldn't use a computer, calculator, etc. Hint for 53: Consider also √11-√10.
    • Chapter 5: Exercises 23, 35 in 35, find a formula for an in terms of Fibonacci numbers.
  • Additional Problems
    • (A1) Find the number bn of compositions of the positive integer n into odd parts. Express your answer in terms of Fibonacci numbers.
  • Bonus Problems
    • None