Equivalence classes of lower and upper descent weak Bruhat intervals
SI Choi, SY Nam, YT Oh - arXiv preprint arXiv:2412.08413, 2024 - arxiv.org
Let $\mathrm {Int}(n) $ denote the set of nonempty left weak Bruhat intervals in the symmetric
group $\mathfrak {S} _n $. We investigate the equivalence relation $\overset {D}{\simeq} …
group $\mathfrak {S} _n $. We investigate the equivalence relation $\overset {D}{\simeq} …