Two pieces of news for high school math contest enthusiasts: OTIS Mock AIME 2025 We're running the OTIS Mock AIME again this year! It'll go from December 19, 2024 to January 20, 2025. New this year is that we're offering two tests, I and II, and you can try either or both. However, unlike the… Continue reading OTIS Mock AIME 2025 & USEMO 2024 results
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January newsflash
Here’s a mix of several publicity-related things I’d like to broadcast. AlphaGeometry A lot of you have already heard the buzz about the AlphaGeometry news and Nature paper. (I’ve known about this paper for a while now, so I’m glad I can finally talk about it!) I managed to snag a cameo in the DeepMind… Continue reading January newsflash
OTIS Mock AIME 2024
This is a short advertisement announcing that the OTIS Mock AIME 2024 is out. The short version is that I wanted to give my students a chance to try their hand at problem composition, which they took enthusiastically, and from their submissions I chose 15 problems to replicate an AIME. There's some really nice problems… Continue reading OTIS Mock AIME 2024
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 https://web.evanchen.cc/usemo.html (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
Power Overwhelming 