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Dipartimento Matematica
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Seminario del 2011
Maggio
20
2011
pagina stampabile
Dr. Nathan Huntley (University of Durham, UK)
Early Contributions to the Exponential Theorem
analisi matematica
We shall trace the early history of the Exponential Theorem that states that, in the algebra of the formal power series in two non-commuting ideterminates x, y, the series naturally associated to log(e^xe^y) is a series of Lie polynomials in x,y. This theorem is a result of considerable importance in the theory of Lie groups. It is surprising perhaps that it has a complicated history going back over a century and involving many mathematicians.
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