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Alspach norm in classifying complemented subspaces of L[p], p > 2
- Date Issued:
- 2010
- Summary:
- Identifying and classifying the complemented subspaces of L p , p > 2, has provided much insight into the geometric structure of Lp . In 1981, Bourgain, Rosenthal, and Schechtman proved the existence of uncountably many isomorphically distinct complemented subspaces of L p , p > 2. In 1999, Dale Alspach introduced a systematic method of studying the complemented subspaces of Lp , p > 2. In this thesis, the theory of Lp spaces is developed with a concentration on techniques used to study the complemented subspaces. We define the Alspach norm and show that the possible complemented subspaces of Lp , p > 2, generated by two compatible partitions and weights are £2, £p, £2 EB £p, and(2.:EfJ £2)ep ' We have not discovered any previously unknown complemented subspaces of Lp , but this method has reduced the study and classification of these subspaces to a study of partitions of N.
Title: | The Alspach norm in classifying complemented subspaces of L[p], p > 2. |
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Name(s): |
DeFrain, Isaac. Harriet L. Wilkes Honors College |
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Type of Resource: | text | |
Genre: | Thesis | |
Date Issued: | 2010 | |
Publisher: | Florida Atlantic University | |
Physical Form: | application/pdf | |
Extent: | 40 p. | |
Language(s): | English | |
Summary: | Identifying and classifying the complemented subspaces of L p , p > 2, has provided much insight into the geometric structure of Lp . In 1981, Bourgain, Rosenthal, and Schechtman proved the existence of uncountably many isomorphically distinct complemented subspaces of L p , p > 2. In 1999, Dale Alspach introduced a systematic method of studying the complemented subspaces of Lp , p > 2. In this thesis, the theory of Lp spaces is developed with a concentration on techniques used to study the complemented subspaces. We define the Alspach norm and show that the possible complemented subspaces of Lp , p > 2, generated by two compatible partitions and weights are £2, £p, £2 EB £p, and(2.:EfJ £2)ep ' We have not discovered any previously unknown complemented subspaces of Lp , but this method has reduced the study and classification of these subspaces to a study of partitions of N. | |
Identifier: | 779183893 (oclc), 3334256 (digitool), FADT3334256 (IID), fau:1395 (fedora) | |
Note(s): |
by Isaac DeFrain. Thesis (B.A.)--Florida Atlantic University, Honors College, 2010. Includes bibliography. |
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Subject(s): |
Alspach, Dale E. (Dale Edward), 1950- Banach, Stefan, 1892-1945 L[p] spaces Banach spaces Multipliers (Mathematical analysis) Functional analysis |
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Persistent Link to This Record: | http://purl.flvc.org/FAU/3334256 | |
Persistent Link to This Record: | http://purl.flvc.org/fau/fd/FADT3334256 | |
Use and Reproduction: | Copyright © is held by the author, with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder. | |
Host Institution: | FAU | |
Is Part of Series: | Florida Atlantic University Digital Library Collections. |