# 50th IMO - 50 years of International Mathematical Olympiads by Hans-Dietrich Gronau, Hanns-Heinrich Langmann, Dierk PDF

By Hans-Dietrich Gronau, Hanns-Heinrich Langmann, Dierk Schleicher

ISBN-10: 3642145647

ISBN-13: 9783642145643

In July 2009 Germany hosted the fiftieth foreign Mathematical Olympiad (IMO). For the first actual time the variety of engaging nations handed a hundred, with 104 international locations from all continents. Celebrating the fiftieth anniversary of the IMO offers a terrific chance to seem again during the last 5 many years and to check its improvement to develop into a global occasion. This ebook is a record concerning the fiftieth IMO in addition to the IMO heritage. loads of information approximately the entire 50 IMOs are integrated. We record the main profitable contestants, the result of the 50 Olympiads and the 112 international locations that experience ever taken half. it really is notable to work out that some of the world’s prime examine mathematicians have been one of the so much winning IMO contributors of their early life. Six of them gave displays at a different get together: Bollobás, Gowers, Lovász, Smirnov, Tao and Yoccoz. This publication is geared toward scholars within the IMO age crew and all those that have curiosity during this around the world major pageant for high school students.

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6. The total number of prizes will not exceed half the total number of Contestants. The numbers of first, second and third prizes will be approximately in the ratio 1:2:3. 7. Special prizes may be awarded for solutions considered outstanding by the Jury. Proposals for such special prizes will be put forward by the Chief Coordinator. 8. The prizes will be awarded at the Closing Ceremony. Each Contestant who has not received a first, second or third prize will receive a Certificate of Honourable Mention if he/she has received seven points for the solution of at least one problem.

The contest element of the IMO 2009 (the "Contest") will take place in Bremen on July 15 and 16, 2009, under the direction of the Chief Invigilator appointed by Bildung und Begabung. On each day of the Contest the examination will start in the morning and last for 4 and a half hours. Each of the two examination papers will consist of three problems. 2. 1) has approved the relevant translation. 3. Each Contestant must work independently and submit solutions in his/her own language. The solutions must be written on answer forms provided by Bildung und Begabung.

The only instruments permitted in the Contest will be writing and drawing instruments, such as rulers and compasses. In particular, books, papers, tables, calculators, protractors, computers and communication devices will not be allowed into the examination room. 5. The Jury, Observers and any others who have sight of the problems and solutions before the examinations shall do their utmost to ensure that no Contestant has information, direct or indirect, about any proposed problem. They must also ensure that all Contest problems and solutions are kept strictly confidential until after the entire Contest has finished.