Regularity and $a$-invariant of Cameron--Walker graphs

Takayuki Hibi, Kyouko Kimura, Kazunori Matsuda +1

Let $S$ be the polynomial ring over a field $K$ and $I\subset S$ a homogeneous ideal. Let $h(S/I,\lambda )$ be the $h$-polynomial of $S/I$ and $s=\mathrm{deg}h(S/I,\lambda )$ the degree of $…