E. Tachtsis

collaborators

2 papers

math.GN2025

Constructing crowded Hausdorff $P$ -spaces in set theory without the axiom of choice

Eleftherios Tachtsis, Eliza Wajch

For an infinite set $X$ , a closed under finite unions family $Z$ with $[X]^{< I ¨ } \subseteq Z \subseteq P (X)$ , and any $A \subseteq P (X)$ …

math.LO2025

Three forms of the ErdÅs-Dushnik-Miller Theorem

Paul Howard, Eleftherios Tachtsis

We continue the study of the ErdÅs-Dushnik-Miller theorem (A graph with an uncountable set of vertices has either an infinite independent set or an uncountable clique) in set theo…

Constructing crowded Hausdorff P-spaces in set theory without the axiom of choice

Three forms of the ErdÅs-Dushnik-Miller Theorem

Constructing crowded Hausdorff $P$ -spaces in set theory without the axiom of choice

Three forms of the ErdÅs-Dushnik-Miller Theorem