3 papers
math.AT2021
An answer to the Whitehead asphericity question
Elton Pasku
The Whitehead asphericity problem, regarded as a problem of combinatorial group theory, asks whether any subpresentation of an aspherical group presentation is also aspherical. We…
math.GM2020
On a connection between fuzzy subgroups and -inverse covers of inverse monoids
Elton Pasku
We define two categories, the category of fuzzy subgroups, and the category of -inverse covers of inverse monoids, and prov…
math.GR2013
The universal semigroup of a -semigroup
Elton Pasku
Given a -semigroup , we construct a semigroup in such a way that one sided ideals and quasi-ideals of can be regarded as one sided ideals and quasi-ideals respectivel…