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Quasinilpotent Banach–Lie Algebras Are Baker–Campbell–Hausdorff

✍ Scribed by Wojciech Wojtyński


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
179 KB
Volume
153
Category
Article
ISSN
0022-1236

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✦ Synopsis


It is proved that for a Banach Lie algebra L the Baker Campbell Hausdorff series converges for any pair a, b # L if and only if for each c # L the adjoint operator ad c is quasi-nilpotent.