ScalingStacks

Corollary 2.5 . [01EB]

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Corollary 2.5.

For each model ๐’ณ\mathcal{X}, let ev๐’ณ:Xโ†’Div0โก(๐’ณ)๐‘โˆ—\ev_{\mathcal{X}}:X\to\Div_{0}(\mathcal{X})^{*}_{\mathbf{R}} be the evaluation map defined by โŸจev๐’ณโก(x),DโŸฉ=ฯ†Dโ€‹(x)\langle\ev_{\mathcal{X}}(x),D\rangle=\varphi_{D}(x). Then the induced map

ev:Xโ†’limโ†๐’ณโˆˆโ„ณXโกDiv0โก(๐’ณ)๐‘โˆ—โ‰ƒ๐’Ÿโ€‹(X)๐‘โˆ—\ev:X\to\varprojlim_{\mathcal{X}\in\mathcal{M}_{X}}\Div_{0}(\mathcal{X})_{\mathbf{R}}^{*}\simeq\mathcal{D}(X)_{\mathbf{R}}^{*}

is a homeomorphism onto its image.

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