Infinitely many stages of grief
(EC)⁵: College Essay Consulting
An advertisement for what puzzle hunts are about and why they’re cooler than everyday puzzles
Things I’ve learned from running OTIS
Yet another reason I don’t give much generic advice
Things to tell 18-year-old Evan
What I would add to the K-12 list
New handout: Intro to Proofs for the Morbidly Curious
Announcing ⛵IS, the successor to OTIS
Everything I need is on the ground
Signal boost for Carina Initiatives full-time position
A common type-error on the OTIS application
Two updates on the EGMO textbook
Why Evan does not like JavaScript as a first language
Ending Season 1 of Twitch Solves ISL
Sometimes the best advice is no advice
A short dissent on USA eligibility
Unnecessarily detailed stories of my Mystery Hunt puzzles
Some puzzle-writing thoughts from an amateur
USEMO Problem Development, Behind the Scenes
USA Special Team Selection Test Series for IMO 2021
Meritocracy is the worst form of admissions except for all the other ones
MOP should do a better job of supporting its students in not-June
Undergraduate Math 011: a firsT yeaR coursE in geometrY
RMM 2019 pictures and aftermath
Story: the morning after Valentine’s Day
Some things Evan is working on for 2019
A few shockingly linear graphs
A trailer for p-adic analysis, second half: Mahler coefficients
A trailer for p-adic analysis, first half: USA TST 2003
New oly handout: Constructing Diagrams
I switched to point-based problem sets
Revisiting arc midpoints in complex numbers
A story of block-ascending permutations
117(d): Please don’t tax PhD tuition waivers
Joyal’s Proof of Cayley’s Tree Formula
Positive Definite Quadratic Forms
Some Thoughts on Olympiad Material Design
Holomorphic Logarithms and Roots
Facts about Lie Groups and Algebras
Combinatorial Nullstellensatz and List Coloring
Notes on Publishing My Textbook
A Sketchy Overview of Green-Tao
Formal vs Functional Series (OR: Generating Function Voodoo Magic)
New algebra handouts on my website
Approximating E3-LIN is NP-Hard
Against the “Research vs. Olympiads” Mantra
Vinogradov’s Three-Prime Theorem (with Sammy Luo and Ryan Alweiss)
The Structure Theorem over PID’s
18.099 Transcript: Bourgain’s Theorem
18.099 Transcript: Chang’s Theorem
Mechanism Design and Revenue Equivalence
Some Advice for Olympiad Geometry
Rant: Matrices Are Not Arrays of Numbers
Writing Olympiad Geometry Problems
Uniqueness of Solutions for DiffEq’s
Constructing the Tangent and Cotangent Space
Linnik’s Theorem for Sato-Tate Laws on CM Elliptic Curves
Proof of Dirichlet’s Theorem on Arithmetic Progressions
Cauchy’s Functional Equation and Zorn’s Lemma
Representation Theory, Part 4: The Finite Regular Representation
Represenation Theory, Part 3: Products of Representations
Representation Theory, Part 2: Schur’s Lemma
Representation Theory, Part 1: Irreducibles and Maschke’s Theorem
Three Properties of Isogonal Conjugates
Set Theory, Part 2: Constructing the Ordinals
Set Theory, Part 1: An Intro to ZFC
Why do roots come in conjugate pairs?
What leads to success at math contests?
Email, JetPack, and Wintermelon
Power Overwhelming 