2 papers
math.GR2025
-Betti numbers of Dehn fillings
Nansen Petrosyan, Bin Sun
We initiate the study of the -Betti numbers of group-theoretic Dehn fillings. For a broad class of virtually special groups , we prove that the -Betti numbers of suffi…
math.CO2021
On the Refinement of Certain Statistics on Alternating Words
Chia-An Hsu, Hsu-Lin Chien, Han-Chun Chan +2
In this paper, we investigate statistics on alternating words under correspondence between ``possible reflection paths within several layers of glass'' and ``alternating words''. F…