Open Math Notes

Resources and inspiration for math instruction and learning

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Welcome to AMS Open Math Notes, a repository of freely downloadable mathematical works in progress hosted by the American Mathematical Society as a service to researchers, teachers and students. These draft works include course notes, textbooks, and research expositions in progress. They have not been published elsewhere, and, as works in progress, are subject to significant revision. Visitors are encouraged to download and use these materials as teaching and research aids, and to send constructive comments and suggestions to the authors.

Open Math Notes Advisory Board:

  • Karen Vogtmann, Chair | University of Warwick
  • Mary Pugh | University of Toronto
  • Andrew Hwang | College of the Holy Cross
  • Robert Lazarsfeld | Stony Brook University


Bruce Sagan
Michigan State University
MR ID: 152890
Reference #


Posted date
2019-09-01 21:39:23
Revised date
2019-09-02 10:26:15
Notes type
   Standard Course Offering
   Topics Course
   Discrete Mathematics
      Graph Theory


The Art of Counting

This is a preliminary version of a book which I intend to publish with the AMS. My editor is Ina Mette

Course Notes and Supplementary Material (PDF format)

TypeFile (Size)Date
Course notes v2 PDF (2.1M) 09/02/19