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arxiv: 1401.3991 · v1 · pith:6H7TMBBSnew · submitted 2014-01-16 · 🧮 math.AG · math.RA

The geometry of Pi-invertible sheaves

classification 🧮 math.AG math.RA
keywords mathbbsheavesinvertiblefieldgiveaffinealgebraalgebraically
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Using the fact that $\Pi$-invertible sheaves can be interpreted as locally free sheaves of modules for the super skew field $\mathbb{D}$, we give a new construction of the $\Pi$-projective superspace $\mathbb{P}^n_{\Pi, B}$ over affine $k$ superschemes $B$, $k$ an algebraically closed field. We characterize morphisms into $\mathbb{P}^n_{\Pi, B}$ and give a new interpretation of the composition of $\Pi$-invertible sheaves in terms of the algebra of $\mathbb{D}$.

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