We prove, in a general framework, the existence of a closed infinite-dimensional subspace consisting of universal series.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm198-2-2,
author = {St\'ephane Charpentier},
title = {On the closed subspaces of universal series in Banach spaces and Fr\'echet spaces},
journal = {Studia Mathematica},
volume = {196},
year = {2010},
pages = {121-145},
zbl = {1201.30005},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm198-2-2}
}
Stéphane Charpentier. On the closed subspaces of universal series in Banach spaces and Fréchet spaces. Studia Mathematica, Tome 196 (2010) pp. 121-145. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm198-2-2/