Here are some of the blog posts that people seem to have enjoyed the most.

## “Discussion” Topics

- Against the “Olympiads vs. Research” Mantra, which broke the record for the most controversial post I’ve written.
- Things SPARC, where I talk about the SPARC summer camp.
- Writing, where I talk about how high school gives the wrong impression of writing (as it does for math) and what I think the real point of writing is.
- Transferring, where I explain what eventually got me to transfer from Harvard to MIT.
- Fill in the Blank, on the mistreatment of gifted students.

## Undergraduate / Graduate Math

- Mechanism Design and Revenue Equivalence
- Zorn’s Lemma and Cauchy’s FE, in which I explain Zorn’s Lemma.
- Tangent and Cotangent Spaces, in which I construct the (co)tangent space to a manifold.

## Olympiad Math Meta

- Against Perfect Scores, encouraging students to do harder problems
- Stop Paying Me Per Hour, on my experiences as a private tutor for USAMO.
- Teaching A* USAMO Camp, describing the first time I taught a USAMO class.
- What leads to success at math contests?

## Contest Math Posts

- Some Advice for Euclidean Geometry
- The Mixtilinear Incircle
- Writing Olympiad Geometry Problems, on how I come up with geometry proposals for USAMO / IMO style contests.
- Isogonal Conjugates

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