Quotients of Banach Spaces with the Daugavet Property

Vladimir Kadets; Varvara Shepelska; Dirk Werner

Bulletin of the Polish Academy of Sciences. Mathematics (2008)

  • Volume: 56, Issue: 2, page 131-147
  • ISSN: 0239-7269

Abstract

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We consider a general concept of Daugavet property with respect to a norming subspace. This concept covers both the usual Daugavet property and its weak* analogue. We introduce and study analogues of narrow operators and rich subspaces in this general setting and apply the results to show that a quotient of L₁[0,1] by an ℓ₁-subspace need not have the Daugavet property. The latter answers in the negative a question posed to us by A. Pełczyński.

How to cite

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Vladimir Kadets, Varvara Shepelska, and Dirk Werner. "Quotients of Banach Spaces with the Daugavet Property." Bulletin of the Polish Academy of Sciences. Mathematics 56.2 (2008): 131-147. <http://eudml.org/doc/286584>.

@article{VladimirKadets2008,
abstract = {We consider a general concept of Daugavet property with respect to a norming subspace. This concept covers both the usual Daugavet property and its weak* analogue. We introduce and study analogues of narrow operators and rich subspaces in this general setting and apply the results to show that a quotient of L₁[0,1] by an ℓ₁-subspace need not have the Daugavet property. The latter answers in the negative a question posed to us by A. Pełczyński.},
author = {Vladimir Kadets, Varvara Shepelska, Dirk Werner},
journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
keywords = {Daugavet property; narrow operator; poor subspace; quotient space; Radon-Nikodým property; reflexive subspace; rich subspace},
language = {eng},
number = {2},
pages = {131-147},
title = {Quotients of Banach Spaces with the Daugavet Property},
url = {http://eudml.org/doc/286584},
volume = {56},
year = {2008},
}

TY - JOUR
AU - Vladimir Kadets
AU - Varvara Shepelska
AU - Dirk Werner
TI - Quotients of Banach Spaces with the Daugavet Property
JO - Bulletin of the Polish Academy of Sciences. Mathematics
PY - 2008
VL - 56
IS - 2
SP - 131
EP - 147
AB - We consider a general concept of Daugavet property with respect to a norming subspace. This concept covers both the usual Daugavet property and its weak* analogue. We introduce and study analogues of narrow operators and rich subspaces in this general setting and apply the results to show that a quotient of L₁[0,1] by an ℓ₁-subspace need not have the Daugavet property. The latter answers in the negative a question posed to us by A. Pełczyński.
LA - eng
KW - Daugavet property; narrow operator; poor subspace; quotient space; Radon-Nikodým property; reflexive subspace; rich subspace
UR - http://eudml.org/doc/286584
ER -

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