Combinatorial classification of $(\pm 1)$-skew projective spaces

Akihiro Higashitani, Kenta Ueyama

The noncommutative projective scheme $\mathsf{Pro}{\mathsf{j}}_{\mathsf{nc}}S$ of a $(\pm 1)$-skew polynomial algebra $S$ in $n$ variables is considered to be a $(\pm 1)$-skew projecti…