ScalingStacks

1.2.7 [01LP]

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1.2.7

Les formes de type (p,q)(p,q) à coefficients dans ℱ\mathscr{F} constituent un faisceau en 𝒜V\mathscr{A}_{V}-modules sur VV, qui sera noté ℱVp,q\mathscr{F}_{V}^{p,q}. On a ℱVp,q=ℱV⊗𝒜V𝒜Vp,q\mathscr{F}_{V}^{p,q}=\mathscr{F}_{V}\otimes_{\mathscr{A}_{V}}\mathscr{A}_{V}^{p,q}.

La somme directe ⨁ℱVp,q\bigoplus\mathscr{F}_{V}^{p,q} est un faisceau en 𝒜V\mathscr{A}_{V}-modules gradués, muni d’une involution JJ.

Lorsque ℱ\mathscr{F} est stable par multiplication, ℱVp,q\mathscr{F}_{V}^{p,q} est un faisceau en ℱV\mathscr{F}_{V}-algèbres graduées et JJ est un morphisme de ℱV\mathscr{F}_{V}-algèbres.

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