Principles and Techniques in Combinatorics

By (author): Chen Chuan-Chong (NUS, Singapore), Koh Khee-Meng (NUS, Singapore)

A textbook suitable for undergraduate courses. The materials are presented very explicitly so that students will find it very easy to read. A wide range of examples, about 500 combinatorial problems taken from various mathematical competitions and exercises are also included.


  • Permutations and Combinations
  • Binomial Coefficients and Multinomial Coefficients
  • The Pigeonhole Principle and Ramsey Numbers
  • The Principle of Inclusion and Exclusion
  • Generating Functions
  • Recurrence Relations

Readership: Undergraduates, graduates and mathematicians.