DOIAbstract
AbstractA space X is said to be Lindelöf in a space Z if every open cover of Z has a countable subcover of X. Ranchin asks if there must always be a Lindelöf Y with X ⊂ Y ⊂ Z. We answer this in the negative
AbstractA space X is said to be Lindelöf in a space Z if every open cover of Z has a countable subcover of X. Ranchin asks if there must always be a Lindelöf Y with X ⊂ Y ⊂ Z. We answer this in the negative
A space is monotonically Lindelöf (mL) if one can assign to every open cover U a countable open ref...
AbstractAssuming ⋄, we construct a T2 example of a hereditarily Lindelöf space of size ω1 which is n...
It is proven that any metric space X admits a Whitney map for 2 x if and only if X has the Lindelöf ...
AbstractA space X is said to be Lindelöf in a space Z if every open cover of Z has a countable subco...
AbstractA topological space X is called linearly Lindelöf if every increasing open cover of X has a ...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
AbstractWe consider the question of whether uncountable Lindelöf spaces have Lindelöf subspaces of s...
AbstractAssuming ⋄, we construct a T2 example of a hereditarily Lindelöf space of size ω1 which is n...
summary:A space is monotonically Lindelöf (mL) if one can assign to every open cover $\Cal U$ a coun...
summary:Theorem. In ZF (i.e., Zermelo-Fraenkel set theory without the axiom of choice) the following...
AbstractWe prove that if X is a paracompact monotonically normal space, and Y has a point-countable ...
AbstractThe class of spaces such that their product with every Lindelöf space is Lindelöf is not wel...
AbstractA space is monotonically Lindelöf (mL) if one can assign to every open cover U a countable o...
A space is monotonically Lindelöf (mL) if one can assign to every open cover U a countable open ref...
AbstractAssuming ⋄, we construct a T2 example of a hereditarily Lindelöf space of size ω1 which is n...
It is proven that any metric space X admits a Whitney map for 2 x if and only if X has the Lindelöf ...
AbstractA space X is said to be Lindelöf in a space Z if every open cover of Z has a countable subco...
AbstractA topological space X is called linearly Lindelöf if every increasing open cover of X has a ...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
summary:A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by co...
AbstractWe consider the question of whether uncountable Lindelöf spaces have Lindelöf subspaces of s...
AbstractAssuming ⋄, we construct a T2 example of a hereditarily Lindelöf space of size ω1 which is n...
summary:A space is monotonically Lindelöf (mL) if one can assign to every open cover $\Cal U$ a coun...
summary:Theorem. In ZF (i.e., Zermelo-Fraenkel set theory without the axiom of choice) the following...
AbstractWe prove that if X is a paracompact monotonically normal space, and Y has a point-countable ...
AbstractThe class of spaces such that their product with every Lindelöf space is Lindelöf is not wel...
AbstractA space is monotonically Lindelöf (mL) if one can assign to every open cover U a countable o...
A space is monotonically Lindelöf (mL) if one can assign to every open cover U a countable open ref...
AbstractAssuming ⋄, we construct a T2 example of a hereditarily Lindelöf space of size ω1 which is n...
It is proven that any metric space X admits a Whitney map for 2 x if and only if X has the Lindelöf ...
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