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USA Mathematical Olympiad: 2012 Winners

May 9, 2012

The results are in for the 2012 United States of America Mathematical Olympiad (USAMO). This year, 273 outstanding high school students qualified for the contest. On April 24-25, they tackled a challenging, six-question exam.

The 12 winners are (in alphabetical order):

Andre Arslan, a junior at Hunter College High School, New York, NY. He previously qualified for the 2011 USAMO and attended 2011 Mathematical Olympiad Summer Program.

Joshua Brakensiek, a sophmore, homeschooled in Chandler, AZ. He received a perfect score on the 2008 AMC 8. He also qualified for the 2011 USAMO and attended 2011 MOSP.

Calvin Deng, a junior at North Carolina School Science & Mathematics, Durham, NC. Winner of a silver medal at the 2010 IMO, he was one of the 12 winners of the 2010 USAMO and a National MathCounts Quarter Finalist in 2008.

Xiaoyu He, a senior at Acton-Boxborough Regional High School, Acton, MA. One of the 12 winners of the 2010 USAMO, He went on to win gold medals at the 2010 IMO and 2011 IMO.

Ravi Jagadeesan, a sophmore at Phillips Exeter Academy, Exeter, NH. One of the 12 winners for the 2011 USAMO, Jagadeesan has taken part in the US Physics Olympiad and the North American Computational Linguistics Olympiad.

Mitchell Lee, a senior, homeschooled in Oakton, VA. One of the 12 winners of the 2011 USAMO and 2010 USAMO, Lee was a member of the winning team at the 2011 Romanian Master of Mathematics and Science and a finalist in the 2011 USA Computing Olympiad.

(Alex) Zhuo Qun Song, a first-year at Phillips Exeter Academy, Exeter, NH.

Thomas Swayze, a junior at Canyon Crest Academy, San Diego, CA. He received a perfect score on the 2008 AMC 8. He also qualified for the 2011 USAMO and attended 2011 MOSP.

Victor Wang, a junior at Ladue High School, St. Louis, MO. He was a member of the winning team at the 2011 Romanian Master of Mathematics and Science.

David Yang, a junior at Phillips Exeter Academy, Exeter, NH. A gold medal-winner at the 2011 IMO, Yang was one of the top 12 winners at the 2011 USAMO and 2009 USAMO and a 2009 National MathCounts Written Competition first place and individual second place winner.

Samuel Zbarsky, a junior at Montgomery Blair High School, Silver Spring, MD.

Alex Zhu, a senior at Academy Advancement Science & Technology, Hackensack, NJ.

2012 USAMO Honorable Mention (pdf)

Watch a slideshow of past accomplishments of some of the winners of the 2012 USAMO.

An awards ceremony for the 12 USAMO winners will be held in Washington, D.C., at the Carnegie Institution for Science on Monday, June 4, 2012. Following the awards ceremony, the winners will travel to Lincoln, Nebraska, to participate in the Mathematical Olympiad Summer Program (MOSP) for in-depth training in mathematical problem solving.

USA Junior Mathematical Olympiad

Established in 2010, the USA Junior Mathematical Olympiad is a contest for young students to bridge the computational solution process of AIME and the proof orientation of the USAMO. The 2012 results are listed here (pdf).

2012 Problems and Solutions

Test yourself with the problems from this year's USAMO and USAJMO competitions:

USAMO Day 1 Problems (pdf), USAMO Day 2 Problems (pdf), USAMO Solutions (pdf)

USAJMO Day 1 Problems (pdf), USAJMO Day 2 Problems (pdf), USAJMO Solutions (pdf)

MAA MinuteMath is a blog that posts daily questions from the AMC 8, AMC 10, and AMC 12 contests. All questions are accompanied by hints and solutions.

About USAMO

The USAMO is the pinnacle event in the sequence of increasingly challenging mathematical contests administered by the MAA's American Mathematics Competitions program. It serves to indicate the talent of those who may become leaders in the mathematical sciences of the next generation. More than 220,000 worldwide took the first contest (AMC 10 and/or AMC 12). More than 10,000 were invited to compete in the second contest, the American Invitational Mathematics Examination (AIME), and just 273 of these participants made it to the highly selective and prestigious USAMO.

About AMC

The mission of the MAA's American Mathematics Competitions is to increase interest in mathematics and to develop problem solving through a fun competition. Teachers and schools benefit from the chance to challenge students with interesting mathematical questions that are aligned with curriculum standards at all levels of difficulty. In addition, students gain the opportunity to learn and achieve through competition with students in their school and around the world.

Thanks to Our Sponsors

The MAA would like to thank the organizations that sponsor the USAMO and MOSP programs, including: Akamai Foundation, DE Shaw & Co., Art of Problem Solving, Robert Balles, Math for America, Academy of Applied Science, American Mathematical Society, Awesome Math, Jane Street, Society for Industrial and Applied Mathematics, American Statistical Association, National Council of Teachers of Mathematics, American Mathematical Association of Two-Year Colleges, Casualty Actuarial Society, Conference Board of the Mathematical Sciences, Society for Industrial and Applied Mathematics, Mu Alpha Theta, Pi Mu Epsilon.