User contributions
- 10:51, 14 November 2019 (diff | hist) . . (+43) . . m Schroeder-Bernstein Theorem (Added clarification that $f(a)$ cannot be lonely; which is why f(a) = f(g(b)) for some b.)
- 20:02, 20 April 2017 (diff | hist) . . (+226) . . N 2017 USAMO Problems/Problem 6 (Created page with "==Problem== Find the minimum possible value of <cmath>\frac{a}{b^3+4}+\frac{b}{c^3+4}+\frac{c}{d^3+4}+\frac{d}{a^3+4},</cmath> given that <math>a,b,c,d,</math> are nonnega...")
- 18:41, 20 April 2017 (diff | hist) . . (+434) . . N 2017 USAMO Problems/Problem 2 (Created page with "==Problem== Let <math>m_1,\dotsc,m_n</math> be a collection of <math>n</math> positive integers, not necessarily distinct. For any sequence of integers <math>A = (a_1,\dotsc,a...")
- 18:33, 20 April 2017 (diff | hist) . . (+1,842) . . 2017 USAMO Problems/Problem 1 (→Problem)
- 18:20, 20 April 2017 (diff | hist) . . (+200) . . N 2017 USAMO Problems/Problem 1 (Added problem)
- 18:41, 21 February 2016 (diff | hist) . . (+95) . . m 2016 AMC 12B Problems/Problem 13 (Changed the math to LaTeX as a better format)
