Estimates for projections in Banach spaces and existence of direct complements

Studia Mathematica

Volumn 170, Issue 2, 2005, Pages 211-216

  Dirr, Gunther ^a,b   Rakočević, Vladimir ^a,c   Wimmer, Harald K ^a,b  

^a Universität Würzburg ^*

^b UNIVERSITY OF WÜRZBURG   (Germany)

^c UNIVERSITY OF NI   (Serbia)

Author keywords

Complementary subspaces; Gap metric; Projections in banach spaces

Indexed keywords

EID: 21344451161     PISSN: 00393223     EISSN: None     Source Type: Journal    
DOI: 10.4064/sm170-2-6     Document Type: Article

References (4)

1. E. Berkson, Some metrics on the subspaces of a Banach space, Pacific J. Math. 13 (1963), 7-22.
2. V. I. Gurariǐ, On openings and inclinations of subspaces of a Banach space, Teor. Funktsii Funktsional. Anal, i Prilozhen. Vyp. 1 (1965), 194-204 (in Russian).
3. T. Kato, Perturbation Theory for Linear Operators, 2nd ed., Springer, Berlin, 1996.
4. H. K. Wimmer, Canonical angles of unitary spaces and perturbations of direct complements, Linear Algebra Appl. 287 (1999), 373-379.