CDAM: Computational, Discrete and Applicable Mathematics@LSE

 CDAM Research Report, LSE-CDAM-2009-04

May 2009

Topological stable rank of H(Ω) for circular domains Ω

Raymond Mortini, Rudolf Rupp, Amol Sasane and Brett Wick

Let O be a circular domain, that is, an open disk with finitely many closed disjoint disks removed. Denote by R the Banach algebra of all bounded holomorphic functions on O, with pointwise operations and the supremum norm. We show that the topological stable rank of R is equal to 2.

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