The zero-two law in Banach lattice algebras |
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Authors: | J J Grobler |
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Institution: | (1) Department of Mathematics and Applied Mathematics, Potchefstroom University for CHE, 2520 Potchefstroom, South Africa |
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Abstract: | LetA be a unital Banach lattice algebra and leta εA
+ satisfy ‖a ‖≦1. Then either ‖a
n+1 −a
n ‖=2 for alln≧0 or else ‖a
n+1 −a
n ‖ → 0 asn → ∞. Cyclicity of the peripheral spectrum ofa is also established. |
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Keywords: | |
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