Hassett-Tschinkel correspondence and automorphisms of the quadric
classification
🧮 math.RT
math.ACmath.AG
keywords
quadricactionactionsautomorphismscommutativecorrespondencegrouphassett-tschinkel
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We study locally transitive actions of the commutative unipotent group $\Gan$ on a nondegenerate quadric in the projective space $\P^{n+1}$. It is shown that for each $n$ such an action is unique up to isomorphism.
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