Polarized interpolation and normal postulation for curves on Fano hypersurfaces

UDC 514 A general hypersurface $X$ of degree at most $n$ in projective $(n+1)$-space contains curves $C$ of any genus $g\geq 0$ and sufficiently large degree depending on $g$ whose normal and conormal bundles in $X$ have good postulation or natural cohomology in a sense that each twist has either $H^0=0$ or $H^1=0$. This implies a polarized version of the interpolation property for $C$ on $X$.

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Publication Details

Journal
Ukrains’kyi Matematychnyi Zhurnal
Published
2025-03-04
DOI
https://doi.org/10.3842/umzh.v77i1.7878
Primary Topic
Algebraic Geometry and Number Theory
Type
article
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article

Polarized interpolation and normal postulation for curves on Fano hypersurfaces

Ziv Ran
Ukrains’kyi Matematychnyi Zhurnal
Algebraic Geometry and Number Theory
article

Polarized interpolation and normal postulation for curves on Fano hypersurfaces

Ziv Ran
article en

Abstract

UDC 514 A general hypersurface $X$ of degree at most $n$ in projective $(n+1)$-space contains curves $C$ of any genus $g\geq 0$ and sufficiently large degree depending on $g$ whose normal and conormal bundles in $X$ have good postulation or natural cohomology in a sense that each twist has either $H^0=0$ or $H^1=0$. This implies a polarized version of the interpolation property for $C$ on $X$.

Ukrains’kyi Matematychnyi ZhurnalVol. 77(1)
University of California, Riverside (US)
Openalex Percentile: Top 92%
Algebraic Geometry and Number Theory
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Polarized interpolation and normal postulation for curves on Fano hypersurfaces — Ziv Ran · Ukrains’kyi Matematychnyi Zhurnal (2025) | TGRS Research Map | TGRS