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Communication Dans Un Congrès Année : 2021

The solution of Liouville's equation (1850, 1853) and its impact

Егор Михайлович Богатов
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Résumé

Liouville’s 1853 paper, in which he derived in closed form the general local solution of equation $u_{z\bar z}=\exp(u)$, is one of the few papers from the 19th century that 21st century mathematicians routinely quote as motivation for their work. We try and understand the reasons for the enduring importance of this paper. Our conclusions are the following: 1. Mathematics is not cumulative, but lost material may be recovered through examination of ancient works. 2. An apparent paradox is that the degree of dissemination of ideas and concepts among mathematicians is not determined only by geographic or social affiliation (countries, cities, scientific schools, etc.). On the contrary, the existence of common scientific goals makes it possible to transfer and use these concepts. 3. Older papers, because they are not influenced by modern classifications, can help generate ideas that do not arise naturally in a modern framework. Thus, a historical perspective can help bring about new mathematics and indeed, is a necessary dimension of mathematical research.
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Dates et versions

hal-03657588 , version 1 (03-05-2022)

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Satyanad Kichenassamy, Егор Михайлович Богатов. The solution of Liouville's equation (1850, 1853) and its impact. Nauka u tekhnika : Voprosy istorii i teorii, R.A. Fando, E.B. Minina, B.M. Samenkova, Oct 2021, Saint-Petersburg, Russia. pp.81-86. ⟨hal-03657588⟩
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