Exam , February
,
Exam
Combinatorics, Dave Bayer, February
,
Name:
Uni:
[1]
[2]
[3]
[4]
[5]
Total
If you need more that one page for a problem, clearly indicate on each page where to look next for
your work.
[1] How many dots?
Exam , February
,
[2] How ma
Practice Problems
Combinatorics, Dave Bayer, November 10, 2011
[1] Prove Burnsides lemma : Let G be a nite group that acts on a nite set X. If Xg denotes the set
of elements of X that are xed by an element g G, then the number of orbits of this action is
Practice Problems
Combinatorics, Dave Bayer, September 22, 2011
[1] How many permutations of n letters have exactly d xed points? Give the best answer you can,
using related problems.
[2] How many ways can one make change, using 1 cent, 2 cent, and 3 cent
Exam 1, February 11, 2014
Exam 1
Combinatorics, Dave Bayer, February 11, 2014
Name:
Uni:
[1]
[2]
[3]
[4]
[5]
Total
If you need more that one page for a problem, clearly indicate on each page where to look next for
your work.
[1] How many dots?
Exam 1, Feb
Exam 1
Combinatorics, Dave Bayer, October 4, 2011
Name:
[1] (5 pts) [2] (5 pts) [3] (5 pts) [4] (5 pts) [5] (5 pts) [6] (5 pts)
TOTAL
Please work only one problem per page, starting with the pages provided. Clearly label your answer. If a
problem continue
Exam 2
Combinatorics, Dave Bayer, November 17, 2011
Name:
[1] (6 pts) [2] (6 pts) [3] (6 pts) [4] (6 pts) [5] (6 pts)
TOTAL
Please work only one problem per page, starting with the pages provided. Clearly label your
answer. If a problem continues on a new