On the generalizations and properties of Abramovich-Wickstead spaces

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2008

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Polat, Faruk

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In this thesis, we study two problems. The first problem is to introduce the general version of Abramovich-Wickstead type spaces and investigate its order properties. In particular, we study the ideals, order bounded sets, disjointness properties, Dedekind completion and the norm properties of this Riesz space. We also define a new concrete example of Riesz space-valued uniformly continuous functions, denoted by CDr0 which generalizes the original Abramovich-Wickstead space. It is also shown that similar spaces CD0 and CDw introduced earlier by Alpay and Ercan are decomposable lattice-normed spaces. The second problem is related to analytic representations of different classes of dominated operators on these spaces. Our main representation theorems say that regular linear operators on CDr0 or linear dominated operators on CD0 may be represented as the sum of integration with respect to operator-valued measure and summation operation. In the case when the operator is order continuous or bo-continuous, then these representations reduce to discrete parts.

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Mathematics.

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http://etd.lib.metu.edu.tr/upload/12610166/index.pdf
https://hdl.handle.net/11511/17981

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

F. Polat, “On the generalizations and properties of Abramovich-Wickstead spaces,” Ph.D. - Doctoral Program, Middle East Technical University, 2008.