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pro vyhledávání: '"WALTER J. MICHAELIS"'
Autor:
Walter J. Michaelis
Publikováno v:
Journal of Pure and Applied Algebra. 68(3):341-348
Let K be a field of characteristic 0, let W1=DerK(K[x]), and let M=(W1)∘=the dual Lie coalgebra of W1. By definition (W1)∘ is the largest subspace of (W1)∗ carrying a Lie coalgebra structure induced by the restriction to (W1)∘ of ϕ∗ where
Autor:
Walter J. Michaelis, Karl H. Hofmann
Publikováno v:
Mathematical Proceedings of the Cambridge Philosophical Society. 141:317
Two commuting real matrices A and B have commuting exponentials exp A and exp B, a fact observed for instance in linear algebra or differential equations courses. The converse implication is false. A clarification of this phenomenon is proposed that
Autor:
KARL H. HOFMANN, WALTER J. MICHAELIS
Publikováno v:
Mathematical Proceedings of the Cambridge Philosophical Society; Sep2006, Vol. 141 Issue 2, p317-338, 22p