Lines on algebraic varieties

dc.creatorLandsberg, J. M.
dc.date2001-11-04
dc.date.accessioned2026-07-07T04:44:14Z
dc.date.available2026-07-07T04:44:14Z
dc.descriptionA variety $X$ is covered by lines if there exist a finite number of lines contained in $X$ passing through each general point. I prove two theorems. Theorem 1:Let $X^n\subset P^M$ be a variety covered by lines. Then there are at most $n!$ lines passing through a general point of $X$. Theorem 2:Let $X^n\subsetP^{n+1}$ be a hypersurface and let $x\in X$ be a general point. If the set of lines having contact to order $k$ with $X$ at $x$ is of dimension greater than expected, then the lines having contact to order $k$ are actually contained in $X$.
dc.description3 pages
dc.identifierhttps://arxiv.org/abs/math/0111039
dc.identifierhttp://arxiv.org/abs/math/0111039
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/62559
dc.subjectAlgebraic Geometry
dc.titleLines on algebraic varieties
dc.typetext

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