Geodesic
Symmetric subspaces of $l_1$ with large projection constants
Studia Mathematica, Tome 134 (1999) no. 2, pp. 119-133 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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We construct k-dimensional (k ≥ 3) subspaces $V^k$ of $l_1$, with a very simple structure and with projection constant satisfying $λ(V^k) ≥ λ(V^k,l_1) > λ(l_2^{(k)})$. 
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     author = {Bruce L. Chalmers and Grzegorz Lewicki},
     title = {Symmetric subspaces of $l_1$ with large projection constants},
     journal = {Studia Mathematica},
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     language = {en},
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Bruce L. Chalmers; Grzegorz Lewicki. Symmetric subspaces of $l_1$ with large projection constants. Studia Mathematica, Tome 134 (1999) no. 2, pp. 119-133. doi: 10.4064/sm-134-2-119-133

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