Abstract
We show that ifX is the closed linear span inL p [0,1] of a subsequence of the Haar system, thenX is isomorphic either tol p or toL p [0,1], [1<p<∞]. We give criteria to determine which of these cases holds; for a given subsequence, this is independent ofp.
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This is part of the second author's Ph.D. dissertation, written at the University of Alberta under the supervision of J. L. B. Galmen. The first author's research was partially supported by NRC A7552.
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Gamlen, J.L.B., Gaudet, R.J. On subsequences of the Haar system inL p [0, 1], (1<p<∞). Israel J. Math. 15, 404–413 (1973). https://doi.org/10.1007/BF02757079
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DOI: https://doi.org/10.1007/BF02757079