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Liouville graduated from the École Polytechnique in 1827. After some years as assistant at various institutions he was appointed as professor at the École Polytechnique in 1838. He obtained a chair in mathematics at the Collège De France in 1850 and a chair in mechanics at the Faculté des Sciences in 1857. Besides his academic achievements, he was very talented in organisatorial matters. Liouville founded the ''Journal de Mathématiques Pures et Appliquées'' which retains its high reputation up to today, in order to promote other mathematicians' work. He was the first to read, and to recognize the importance of, the unpublished work of Evariste Galois which appeared in his journal in 1846. Liouville was also involved in politics for some time, and he became member of the Constituting Assembly in 1848. However, after the defeat in the Assembly elections in 1849, he turned away from politics. Liouville worked in a number of different fields in mathematics, including which was joint work with Charles François Sturm is now a standard procedure to solve certain types of Integral Equation s by developing into eigenfunctions, and the fact (also known as Liouville's Theorem ) that time evolution is measure preserving for a Hamiltonian system. OTHER TOPICS REFERENCES |
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