Abstract
Let A be a Banach algebra with unit 1, and let G be an open subgroup of the group of invertible elements of A. The Runge approximation Theorem 2.5.6 for invertible scalar functions admits the following generalization:
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© 2009 Birkhäuser Verlag AG
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(2009). Multiplicative cocycles (\( \mathcal{O}^G \)-cocycles). In: Holomorphic Operator Functions of One Variable and Applications. Operator Theory: Advances and Applications, vol 192. Birkhäuser Basel. https://doi.org/10.1007/978-3-0346-0126-9_5
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DOI: https://doi.org/10.1007/978-3-0346-0126-9_5
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-0346-0125-2
Online ISBN: 978-3-0346-0126-9
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