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Invariant subspaces for positive operators on locally convex solid Riesz spaces
Authors:M alar  Z Ercan
Institution:aIstanbul Kultur University, Department of Mathematics and Computer Science, Atakoy Campus, Bakirkoy 34156, Istanbul, Turkey;bAbant Izzet Baysal University, Department of Mathematics, Golkoy Campus 14280, Bolu, Turkey
Abstract:We prove that an x0-quasinilpotent semigroup S of continuous positive linear operators on a locally convex solid Riesz space X has a common invariant subspace. Using this, a result which implies the main theorem of Abramovich, Aliprantis and Burkinshaw J. Funct. Anal. 115 (1993) 418424] is also given.
Keywords:positive operator  semigroup  invariant subspace  quasinilpotent  weak quasinilpotent
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