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On the biregular geometry of the Fulton-MacPherson compactification - MaRDI portal

On the biregular geometry of the Fulton-MacPherson compactification (Q1678137)

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On the biregular geometry of the Fulton-MacPherson compactification
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    On the biregular geometry of the Fulton-MacPherson compactification (English)
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    14 November 2017
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    For a smooth projective variety \(X\), Let \(X[n]\) be the Fulton-MacPherson compactification of the configuration space of \(n\) ordered points on \(X\). In this paper the author studies the automorphism group Aut(\(X[n]\)) of \(X[n]\). When \(n\neq 2\) or \(\dim (X) \geq 2\), the author shows that the connected component of the identity of Aut(\(X[n]\)) is isomorphic to the connected component of the identity of Aut(\(X\)). When \(X\) is a curve \(C\) of genus \(\neq 1\), the author is able to compute the entire Aut(\(C[n]\)), and similarly for the case when \(X = C_1 \times \cdots \times C_r\) with the genus of \(C_i \geq 2\). Finally the author studies the automorphism groups of some Kontsevich moduli spaces of genus zero stable maps.
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    Fulton-Macpherson compactification
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    Kontsevich moduli spaces
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    fibrations
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    automorphisms
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    Fano varieties
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    Mori dream spaces
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