Uniqueness of unconditional bases in $c_0$-products
Studia Mathematica, Tome 133 (1999) no. 3, pp. 275-294
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences
We give counterexamples to a conjecture of Bourgain, Casazza, Lindenstrauss and Tzafriri that if X has a unique unconditional basis (up to permutation) then so does $c_0(X)$. We also give some positive results including a simpler proof that $c_0(ℓ_1)$ has a unique unconditional basis and a proof that $c_0(ℓ_{p_n}^{N_n})$ has a unique unconditional basis when $p_n ↓ 1$, $N_{n+1} ≥ 2N_{n}$ and $(p_n-p_{n+1}) logN_{n}$ remains bounded.
@article{10_4064_sm_133_3_275_294,
author = {P. Casazza and },
title = {Uniqueness of unconditional bases in $c_0$-products},
journal = {Studia Mathematica},
pages = {275--294},
year = {1999},
volume = {133},
number = {3},
doi = {10.4064/sm-133-3-275-294},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-133-3-275-294/}
}
P. Casazza; . Uniqueness of unconditional bases in $c_0$-products. Studia Mathematica, Tome 133 (1999) no. 3, pp. 275-294. doi: 10.4064/sm-133-3-275-294
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