I will be coaching the University of Ottawa Putnam this year. Email me if you are interested (more information to come in September). Here is some material from previous years.
Paul Lockhart's argument for scrapping the mathematics curriculum. It's worth all 25 pages of reading.
Combinatorics, broadly speaking. This includes graph theory, algebraic graph theory, association schemes, and matroids.
Some interesting reading (in random order):
Some discrete resources (in random order):
A link to some interesting (to me) conferences.
Links to some interesting (to you) conferences can be found courtesy of the randomly-ordered .
I generally leave old courses locked. If you want access, let me know.
Marian Rejewski should be better known than he is for his pivotal role in breaking Enigma, and his colleagues Henryk Zygalski and Jerzy Różycki. Students in mat2143 might note that some of Rejewski's methods used permutation groups.
Map of wildfires in BC.
A letter from the FBI to MLK, and a New York Times Magazine article about it.
An old (2006!) post by Bruce Schneier on online privacy. It's still highly relevant a decade later (which is what you'd expect from him). On an interesting historical side-note, count the number of trolls, unrelated posts, random poltical shills and general sock puppets in the comment section.
arctic sea ice
Economics, and politics and climate change. Written from an Australian point of view, but applies more widely.
Canadian elections: popular vote and the parliamentary seat counts that resulted.
Using Sperner's Lemma to split the rent
A video summary of 1945–1998. Check out the cafe or the turtle.
A musical discussion of transit fares and some background.
A nice discussion of PowerPoint. True, I don't personally launch space shuttles but the argument is more widely applicable. Don't miss out on the analysis of the powerpoint slides a little way down.
A site dedicated to Canadian election forecasting
Some interesting graphs about Canadian debt and deficits, and a more up-to-date version.
Theorem of the Day
Earthquake of the Day and also Christchurch quake
Visit the museum
Incomplete List Of Books: chosen by some non-linear combination of good read, recent, deeply meaningful, funny, and "other".
The Bach Choir in Wellington, the Canonbury Chamber Choir in London and the KW Philharmonic Choir in Kitchener-Waterloo.
The Princess in KW.
Some sailboats in Wellington.
You shouldn't stare at the sun. Read Tom Lehrer's poignant letter home.
The High Priestess.
If you like a free internet then say so. Some people don't like it; please (re-)consider the amount of money you choose to heap upon them.
Merry Christmas, Happy Birthday, and hope you enjoy your presents!
Reading week! Students: feel free to contact me for office hours.
Semaine de lecture! Étudiants: me contacter au besoin pour des heures de bureau.
I live and work here.
office: KED 304C (585 King Edward)
Disclaimer: This is my webpage.