Linear Algebra by Gilbert Strang
A strong foundation in linear algebra makes it easy to understand techniques in machine learning and statistics. Gilbert Strang is a fantastic professor who has taught this course for over 30 years at MIT.
Seven important theorems in combinatorics are equivalent to each other. Many problems have the Catalan number as their solution.
Extra Credit Linear Time Algorithms
A list of problems that have linear time algorithms. It is fun to discover the algorithms.
LaTeX Tips n Tricks for Conference Papers
Some tricks that help you shrink the size of your conference paper submissions.
My Erdös Number
My Erdös Number is 2, thanks to seven different co-authors whose number is 1.
Emacs Tips and Tricks
Several customizations I made to Emacs in 2002.
Mathematical Recreations: Proofs Without Words
Can mathematical proofs be mere pictures?