Disintegration with respect to L p-density functions and singular measures |
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Authors: | P. H. Maserick |
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Affiliation: | (1) Dept. of Mathematics, Pennsylvania State University, 215 McAllister Bld. University Park, 16802 University Park, PA, USA |
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Abstract: | Summary Let A be a real or complex commutative ordered algebra with identity and involution. Let denote the set of positive multiplicative linear functionals on A. Equip with the topology of simple convergence. For a fixed non-negative probability measure on the set p of linear functionals f on A which admit an integral representation of the form with FLp() (1p) is biuniquely identified with Lp() via the map tfF. The norm on p under which this map becomes an isometry is characterized and a formula for approximating F is derived. The linear functionals which admit representation of the form with are also characterized and appropriately normed. The theory is applied to solve abstract versions of trigonometric and n-dimensional moment problems as well as provide an alternate point of view to the theory of Lp-spaces. New proofs of classical theorems are offered.Research for this paper was sponsored in part by the Danish Natural Science Research Council (Grant No.511-10302) and in part by the National Science Foundation (Grant No. MCS78-03397)The results contained herein include the proofs of theorems announced in [15] |
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