Deformation of Banach spaces

Józef Banaś; Krzysztof Fraczek

Commentationes Mathematicae Universitatis Carolinae (1993)

  • Volume: 34, Issue: 1, page 47-53
  • ISSN: 0010-2628

Abstract

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Using some moduli of convexity and smoothness we introduce a function which allows us to measure the deformation of Banach spaces. A few properties of this function are derived and its applicability in the geometric theory of Banach spaces is indicated.

How to cite

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Banaś, Józef, and Fraczek, Krzysztof. "Deformation of Banach spaces." Commentationes Mathematicae Universitatis Carolinae 34.1 (1993): 47-53. <http://eudml.org/doc/247517>.

@article{Banaś1993,
abstract = {Using some moduli of convexity and smoothness we introduce a function which allows us to measure the deformation of Banach spaces. A few properties of this function are derived and its applicability in the geometric theory of Banach spaces is indicated.},
author = {Banaś, Józef, Fraczek, Krzysztof},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {uniformly convex Banach space; uniformly smooth Banach space; modulus of convexity; modulus of smoothness; uniformly convex Banach space; uniformly smooth Banach space; moduli of convexity and smoothness; measure the deformation of Banach spaces; geometric theory of Banach spaces},
language = {eng},
number = {1},
pages = {47-53},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {Deformation of Banach spaces},
url = {http://eudml.org/doc/247517},
volume = {34},
year = {1993},
}

TY - JOUR
AU - Banaś, Józef
AU - Fraczek, Krzysztof
TI - Deformation of Banach spaces
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 1993
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 34
IS - 1
SP - 47
EP - 53
AB - Using some moduli of convexity and smoothness we introduce a function which allows us to measure the deformation of Banach spaces. A few properties of this function are derived and its applicability in the geometric theory of Banach spaces is indicated.
LA - eng
KW - uniformly convex Banach space; uniformly smooth Banach space; modulus of convexity; modulus of smoothness; uniformly convex Banach space; uniformly smooth Banach space; moduli of convexity and smoothness; measure the deformation of Banach spaces; geometric theory of Banach spaces
UR - http://eudml.org/doc/247517
ER -

References

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  2. Banaś J., On moduli of smoothness of Banach spaces, Bull. Pol. Acad. Sci. Math. 34 (1986), 287-293. (1986) MR0874871
  3. Banaś J., Hajnosz A., Wȩdrychowicz S., On convexity and smoothness of Banach space, Comment. Math. Univ. Carolinae 31 (1990), 445-452. (1990) MR1078479
  4. Clarkson J.A., Uniformly convex spaces, Trans. Amer. Math. Soc. 40 (1936), 396-414. (1936) Zbl0015.35604MR1501880
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  7. Goebel K., Kirk W.A., Topics in Metric Fixed Point Theory, Cambridge University Press, 1991. MR1074005
  8. Gurarii V.I., Differential properties of the convexity moduli of Banach spaces (in Russian), Mat. Issled. 2 (1967), 141-148. (1967) MR0211245
  9. Hanner O., On the uniform convexity of L p and l p , Arkiv Mat. 3 (1956), 239-244. (1956) MR0077087
  10. Liokoumovich V.I., The existence of B -spaces with non-convex modulus of convexity (in Russian), Izv. Vyss. Uchebn. Zaved. Matematica 12 (1973), 43-50. (1973) 
  11. Milman V.D., The geometric theory of Banach spaces, Part II, Uspehi Mat. Nauk 26 (1971), 73-149. (1971) MR0420226
  12. Nordlander G., The modulus of convexity in normed spaces, Arkiv Mat. 4 (1960), 15-17. (1960) MR0140915
  13. Ullan A., Modulos de convexidad y lisura en espacios normados, Univ. de Extremadura, Spain, 1991. MR1174971

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