USEMO sign-ups are open

I'm happy to announce that sign-ups for my new olympiad style contest, the United States Ersatz Math Olympiad (USEMO), are open now! The webpage for the USEMO is (where sign-ups are posted). The US Ersatz Math Olympiad is a proof-based competition open to all US middle and high school students. Like many competitions, its… Continue reading USEMO sign-ups are open

Some things Evan is working on for 2019

With Christmas Day, here are some announcements about my work that will possibly interest readers of this blog. OTIS V Applications Applications for OTIS V are open now, so if you are an olympiad contestant interested in working with me during the 2019-2020 school year, here is your chance. I'm hoping to find 20-40 students… Continue reading Some things Evan is working on for 2019

117(d): Please don’t tax PhD tuition waivers

This is a rare politics post; I'll try to keep this short and emotion-free. If parts of this are wrong, please correct me. More verbose explanations here, here, here, here, longer discussion here. Suppose you are a math PhD student at MIT. Officially, this "costs" $50K a year in tuition. Fortunately this number is meaningless,… Continue reading 117(d): Please don’t tax PhD tuition waivers

New algebra handouts on my website

For olympiad students: I have now published some new algebra handouts. They are: Introduction to Functional Equations, which cover the basic techniques and theory for FE's typically appearing on olympiads like USA(J)MO. Monsters, an advanced handout which covers functional equations that have pathological solutions. It covers in detail the solutions to Cauchy functional equation. Summation,… Continue reading New algebra handouts on my website