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revised $8$-ary operation $(\mathbb{P}^2)^8 \text{ }-\to \mathbb{P}^2$, can we say anything about what this formula would look like?
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Feb
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revised $8$-ary operation $(\mathbb{P}^2)^8 \text{ }-\to \mathbb{P}^2$, can we say anything about what this formula would look like?
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answered $8$-ary operation $(\mathbb{P}^2)^8 \text{ }-\to \mathbb{P}^2$, can we say anything about what this formula would look like?
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comment Is there a name for a “rigid” sheaf?
The term "rigid sheaf" would potentially be confused with the notion of rigidity from deformation theory: a sheaf is rigid if it has no first order deformations, i.e. if $\mathrm{Ext}^1(F,F)=0$. I'm not sure of a term for what you are considering.