The projective cover of tableau-cyclic indecomposable $H_n(0)$-modules

Seung-Il Choi, Young-Hun Kim, Sun-Young Nam +1

Let $\alpha$ be a composition of $n$ and $\sigma$ a permutation in ${\mathfrak{S}}_{\ell (\alpha )}$. This paper concerns the projective covers of $H_n(0)$-modules ${\mathcal{V}}_{\alpha }$, $X_{\alpha }$ and $\mathbf…