An approximation property of divergent sequences in normed vector spaces is discussed.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm107-2-5, author = {Roman Witu\l a}, title = {Divergent vector sequences {yn} with Dyn - 0}, journal = {Colloquium Mathematicae}, volume = {107}, year = {2007}, pages = {263-266}, zbl = {1113.40005}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm107-2-5} }
Roman Wituła. Divergent vector sequences {yₙ} with Δyₙ → 0. Colloquium Mathematicae, Tome 107 (2007) pp. 263-266. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm107-2-5/