Geodesic
A Connected Lie Group Equals the Square of the Exponential Function
Journal of Lie theory, Tome 13 (2003) no. 1, pp. 307-309.

Voir la notice de l'article provenant de la source Heldermann Verlag

It is shown that in every connnected real Lie group every element is the product of two elements in the exponential image. 
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     author = {M. Wuestner },
     title = {A {Connected} {Lie} {Group} {Equals} the {Square} of the {Exponential} {Function}},
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     url = {http://geodesic.mathdoc.fr/item/JLT_2003_13_1_JLT_2003_13_1_a18/}
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M. Wuestner . A Connected Lie Group Equals the Square of the Exponential Function. Journal of Lie theory, Tome 13 (2003) no. 1, pp. 307-309. http://geodesic.mathdoc.fr/item/JLT_2003_13_1_JLT_2003_13_1_a18/