We characterize spaces with $\sigma$-$n$-linked bases as specially embedded subspaces of separable spaces, and derive some corollaries, such as the $\bold c$-productivity of the property of having a $\sigma$-linked base.
@article{119111, author = {Ronnie Levy and Mikhail Matveev}, title = {Spaces with $\sigma$-$n$-linked topologies as special subspaces of separable spaces}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {40}, year = {1999}, pages = {561-570}, zbl = {1010.54026}, mrnumber = {1732480}, language = {en}, url = {http://dml.mathdoc.fr/item/119111} }
Levy, Ronnie; Matveev, Mikhail. Spaces with $\sigma$-$n$-linked topologies as special subspaces of separable spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 40 (1999) pp. 561-570. http://gdmltest.u-ga.fr/item/119111/
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