Difference between revisions of "International Mathematical Olympiad"
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− | The '''International Mathematical Olympiad''' is the pinnacle of all high school [[mathematics competition]]s. Each year, countries from around the world send a team of 6 students to compete in a grueling competition. | + | The '''International Mathematical Olympiad''' is the pinnacle of all high school [[mathematics competition]]s and the oldest of all international scientific competitions. Each year, countries from around the world send a team of 6 students to compete in a grueling competition. |
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+ | {{Contest Info|name=IMO |region=International|type=Proof|difficulty=5.5 - 10|breakdown=<u>Problem 1/4</u>: 6.5<br><u>Problem 2/5</u>: 7.5-8<br><u>Problem 3/6</u>: 9.5<br><u>Problem SL1-2</u>: 5.5-7<br><u>Problem SL3-4</u>: 7-8<br><u>Problem SL5+</u>: 8-10}} | ||
== Format of the Competition == | == Format of the Competition == | ||
− | The competition takes place over 2 consecutive days. Each day 3 problems are given to the students to work on for 4.5 hours. | + | The competition takes place over 2 consecutive days. Each day 3 problems are given to the students to work on for 4.5 hours. Following the general format of high school competitions, it does not require [[calculus]] or related topics, though proofs using higher mathematics are accepted. |
=== Scoring === | === Scoring === | ||
Line 9: | Line 11: | ||
=== Awards === | === Awards === | ||
− | Medals and honorable mentions are given out. | + | Medals and honorable mentions are given out. Sometimes, other prizes and awards are given to contestants too. |
* Gold - the top 1/12 of individual scores. | * Gold - the top 1/12 of individual scores. | ||
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* Bronze - the next 3/12 of individual scores. | * Bronze - the next 3/12 of individual scores. | ||
* Honorable mention - any student who receives a score of 7 on any one problem but did not receive a medal. | * Honorable mention - any student who receives a score of 7 on any one problem but did not receive a medal. | ||
+ | * Special Prize - Given to students who score 7 in one problem with an especially insightful solution. | ||
=== Team Competition === | === Team Competition === | ||
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== History == | == History == | ||
− | The IMO started in 1959 as a competition among Eastern European countries. Since then, it has evolved into the premier international competition in mathematics. | + | The IMO started in 1959 as a competition among Eastern European countries. Since then, it has been held every year (except 1980) and has evolved into the premier international competition in mathematics, with the United States of America first joining in 1974. |
+ | |||
+ | North Korea was the only country to ever be disqualified due to cheating, occurring in 1991 and 2010. | ||
+ | |||
+ | == Problem Selection == | ||
+ | Each year nearly every country proposes several problems in consideration for the International Mathematical Olympiad. All submissions are compiled into a Longlist, the length of which can easily exceed 100 problems. Then the IMO deputy leaders convene on site and discuss which problems should be used on the International Mathematical Olympiad test that year. Eventually most of the problems on the Longlist are eliminated from consideration, and what is left is a shortlist, with a length between 26 problems and 32 problems, spread out across the topics of [[Algebra]], [[Combinatorics]], [[Geometry]], and [[Number Theory]]. The six problems are then chosen out of these. | ||
== See also == | == See also == | ||
− | * [[IMO Problems and Solutions]] | + | * [[IMO Problems and Solutions, with authors]] |
+ | * [[IMO Shortlist Problems]] | ||
+ | * [[IMO Longlist Problems]] | ||
* [[Mathematics competition resources]] | * [[Mathematics competition resources]] | ||
* [[Math books]] | * [[Math books]] | ||
Line 31: | Line 41: | ||
== External Links == | == External Links == | ||
− | * [ | + | * [https://artofproblemsolving.com/community/c3222 AoPS IMO Collection] |
− | * [ | + | * [https://artofproblemsolving.com/community/c89 AoPS Olympiad Resources] |
− | * [http://www. | + | * [http://www.imo-official.org Official IMO Site] |
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[[Category:Mathematics competitions]] | [[Category:Mathematics competitions]] | ||
+ | [[Category:Hard Olympiad mathematics competitions]] |
Latest revision as of 14:47, 19 February 2020
The International Mathematical Olympiad is the pinnacle of all high school mathematics competitions and the oldest of all international scientific competitions. Each year, countries from around the world send a team of 6 students to compete in a grueling competition.
IMO |
Region: International |
Type: Proof |
Difficulty: 5.5 - 10 |
Difficulty Breakdown:
Problem 1/4: 6.5 |
Contents
Format of the Competition
The competition takes place over 2 consecutive days. Each day 3 problems are given to the students to work on for 4.5 hours. Following the general format of high school competitions, it does not require calculus or related topics, though proofs using higher mathematics are accepted.
Scoring
Scoring on each problem is done on a 0-7 scale (inclusive and integers only). Full credit is only given for complete, correct solutions. Each solution is intended to be in the form of a mathematical proof. Since there are 6 problems, a perfect score is 42 points.
Awards
Medals and honorable mentions are given out. Sometimes, other prizes and awards are given to contestants too.
- Gold - the top 1/12 of individual scores.
- Silver - the next 2/12 of individual scores.
- Bronze - the next 3/12 of individual scores.
- Honorable mention - any student who receives a score of 7 on any one problem but did not receive a medal.
- Special Prize - Given to students who score 7 in one problem with an especially insightful solution.
Team Competition
There is no official team competition. Unofficially, however, the scores of each team are compared each year where a team's score is the sum of their individual scores.
History
The IMO started in 1959 as a competition among Eastern European countries. Since then, it has been held every year (except 1980) and has evolved into the premier international competition in mathematics, with the United States of America first joining in 1974.
North Korea was the only country to ever be disqualified due to cheating, occurring in 1991 and 2010.
Problem Selection
Each year nearly every country proposes several problems in consideration for the International Mathematical Olympiad. All submissions are compiled into a Longlist, the length of which can easily exceed 100 problems. Then the IMO deputy leaders convene on site and discuss which problems should be used on the International Mathematical Olympiad test that year. Eventually most of the problems on the Longlist are eliminated from consideration, and what is left is a shortlist, with a length between 26 problems and 32 problems, spread out across the topics of Algebra, Combinatorics, Geometry, and Number Theory. The six problems are then chosen out of these.
See also
- IMO Problems and Solutions, with authors
- IMO Shortlist Problems
- IMO Longlist Problems
- Mathematics competition resources
- Math books
- Mathematics scholarships
- Worldwide Online Olympiad Training