portada Banach Space Complexes (en Inglés)

Formato

Libro Físico

Autor

C. -G Ambrozie

Florian-Horia Vasilescu

Editorial

Springer

Idioma

Inglés

N° páginas

213

Encuadernación

Tapa Blanda

Dimensiones

23.4x15.6x1.2 cm

Peso

0.32 kg.

ISBN13

9789401041683

Categorías

Análisis funcional y transformaciones
Jardinería

Banach Space Complexes (en Inglés)

C. -G Ambrozie (Autor) · Florian-Horia Vasilescu (Autor) · Springer · Tapa Blanda

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Reseña del libro "Banach Space Complexes (en Inglés)"

The aim of this work is to initiate a systematic study of those properties of Banach space complexes that are stable under certain perturbations. A Banach space complex is essentially an object of the form 1 op-l oP +1 ... --+ XP- --+ XP --+ XP --+ ..., where p runs a finite or infiniteinterval ofintegers, XP are Banach spaces, and oP: Xp ..... Xp+1 are continuous linear operators such that OPOp-1 = 0 for all indices p. In particular, every continuous linear operator S: X ..... Y, where X, Yare Banach spaces, may be regarded as a complex: O ..... X Y ..... O. The already existing Fredholm theory for linear operators suggested the possibility to extend its concepts and methods to the study of Banach space complexes. The basic stability properties valid for (semi-) Fredholm operators have their counterparts in the more general context of Banach space complexes. We have in mind especially the stability of the index (i.e., the extended Euler characteristic) under small or compact perturbations, but other related stability results can also be successfully extended. Banach (or Hilbert) space complexes have penetrated the functional analysis from at least two apparently disjoint directions. A first direction is related to the multivariable spectral theory in the sense of J. L.