ScalingStacks

Corollary 8.13 . [02YA]

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Corollary 8.13.

Let Cr⊂ℙℚrC_{r}\subset\mathbb{P}^{r}_{\mathbb{Q}} be the Veronese curve of degree rr and 𝒪⁡(1)¯{\overline{{\mathcal{O}}(1)}} the universal line bundle on ℙℚr\mathbb{P}^{r}_{\mathbb{Q}} equipped with the Fubini-Study metric at the Archimedean place and with the canonical metric at the non-Archimedean ones. Then

(8.14) h𝒪⁡(1)¯⁡(Cr)=r2+π​∑j=1⌊r/2⌋(1−2​jr+1)​cot⁡(π​jr+1)∈r2+π​ℚ¯.\operatorname{h}_{{\overline{{\mathcal{O}}(1)}}}(C_{r})=\frac{r}{2}+\pi\sum_{j=1}^{\lfloor r/2\rfloor}\bigg(1-\frac{2\,j}{r+1}\bigg)\,\cot\bigg(\frac{\pi\,j}{r+1}\bigg)\in\frac{r}{2}+\pi\,{\overline{\mathbb{Q}}}.

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