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  2. List of countries by medal count at International ...

    en.wikipedia.org/wiki/List_of_countries_by_medal...

    Rank Country Gold Silver Bronze Honorable Mention Gold in Last 10 Contests (updated till 2023) 1 China: 180 36 6 2 51 2 United States [2]: 141 118 30

  3. List of International Mathematical Olympiad participants

    en.wikipedia.org/wiki/List_of_International...

    High-scoring participants. Zhuo Qun Song, the most highly decorated IMO contestant with 5 golds and 1 bronze medal. Ciprian Manolescu, the only person to achieve three perfect scores at the IMO (1995–1997). The following table lists all IMO Winners who have won at least three gold medals, with corresponding years and non-gold medals received ...

  4. International Mathematical Olympiad - Wikipedia

    en.wikipedia.org/wiki/International_Mathematical...

    The International Mathematical Olympiad (IMO) is a mathematical olympiad for pre-university students, and is the oldest of the International Science Olympiads. [1] It is “the most prestigious” mathematical competition in the world. The first IMO was held in Romania in 1959. It has since been held annually, except in 1980.

  5. List of International Mathematical Olympiads - Wikipedia

    en.wikipedia.org/wiki/List_of_International...

    The first IMO was held in Romania in 1959. Seven countries entered – Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania and the Soviet Union – with the hosts finishing as the top-ranked nation. [4] The number of participating countries has since risen: 14 countries took part in 1969, 50 in 1989, and 104 in 2009.

  6. IMO number - Wikipedia

    en.wikipedia.org/wiki/IMO_number

    The checksum of an IMO company and registered owner identification number is calculated somewhat differently. The first six digits are multiplied by the respective weights: 8, 6, 4, 2, 9, and 7 and then summed. From this sum modulo 11 is taken. The result of which is subtracted from 11. And modulo 10 of this difference results in the check digit.

  7. International Mathematical Olympiad selection process

    en.wikipedia.org/wiki/International_Mathematical...

    The International Mathematical Olympiad (IMO) is an annual mathematics olympiad for students younger than 20 who have not started at university. Each year, participating countries send at most 6 students. The selection process varies between countries, but typically involves several rounds of competition, each progressively more difficult ...

  8. Zhuo Qun Song - Wikipedia

    en.wikipedia.org/wiki/Zhuo_Qun_Song

    Sòng Zhuōqún. IPA. [sʊ̂ŋ ʈʂwó.tɕʰy̌n] Zhuo Qun Song (Chinese: 宋卓群; pinyin: Sòng Zhuōqún; born 1997), also called Alex Song, is a Chinese-born Canadian who is currently the most highly decorated International Mathematical Olympiad (IMO) contestant, with five gold medals and one bronze medal.

  9. International Maritime Organization - Wikipedia

    en.wikipedia.org/wiki/International_Maritime...

    Politics portal. The International Maritime Organization (IMO; French: Organisation maritime internationale; Spanish: Organización Marítima Internacional) [1] is a specialised agency of the United Nations responsible for regulating maritime transport. [2] The IMO was established following agreement at a UN conference held in Geneva in 1948 [3 ...