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George, Crown Prince of Serbia (Serbian: ''kraljević Đorđe Karađorđević''; 27 August 1887 – 17 October 1972) was the son of King Peter I of the Serbs, Croats and Slovenes and Princess Ljubica (Zorka) of Montenegro, the grandson of King Nicholas I of Montenegro, and the older brother of King Alexander I of Yugoslavia. He was a member of the European Royal House of Karađorđević. As the eldest son, he was his father's heir-apparent, but he did not get to savour his role for long as he renounced his succession rights in 1909 after feeling guilty for an incident in which he kicked his servant in the stomach which resulted in the servant's death.〔Christopher Clark, ''The Sleepwalkers. How Europe went to War in 1914'', London, Penguin Books, 2013, p. 15〕 ==Early life== George was born in Cetinje, Principality of Montenegro and was raised in the court of his grandfather King Nicholas before the sudden death of his mother led his father to move his family first to Geneva and thence to Russia. In Russia, George studied at the Page Corps school of Tsar Alexander II. At the age of 17 he returned to Serbia in 1903, along with the rest of his family, following a palace coup when a conspiracy of army officers overthrew the ruling Obrenović dynasty to proclaim his father as King of Serbia. As a result, George became Crown Prince. During this time, George struck up a friendship with mathematician Mihailo Petrović who had been retained to tutor him in mathematics. This friendship through difficult times later on in his life . They went fishing together, established a fencing club in Belgrade, and of course spent time studying mathematics. Encouraged by Petrović, George in time became fascinated by the work of Henri Poincaré, and on 3 March 1911 he wrote to the great French mathematician: ''Dear Professor,''....''Please excuse the liberty I take in addressing myself directly to the Master to clarify the results of modern research on the question. The question is as follows: What is the least of the limiting values which a polynominal function F(z) may take when the variable z increases indefinitely along the different vectors in this plane? Begging you to excuse my importunities, I beg you, Monsieur, to accept this expression of my respectful regards. George'' The reply arrived on 12 March 1911. The only (known) surviving answer comes from a paper by Mihailo Petrović, which mentions Poincaré's solution to the problem (Petrović, 1929). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「George, Crown Prince of Serbia」の詳細全文を読む スポンサード リンク
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