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Newton-Okounkov bodies on projective bundles over curves
Algebraic Geometry · Submitted 20 Mar 2017
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Moreover, we characterize semi-stable vector bundles over curves via Newton-Okounkov bodies.
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In this article, we study Newton-Okounkov bodies on projective vector bundles over curves. Inspired by Wolfe's estimates used to compute the volume function on these varieties, we compute all Newton-Okounkov bodies with respect to linear flags. Moreover, we characterize semi-stable vector bundles over curves via Newton-Okounkov bodies.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In this article, we study Newton-Okounkov bodies on projective vector bundles over curves. | contribution 0.81 | 0.84 | 0.07 | asserted 0.89 |
| s1 | Inspired by Wolfe's estimates used to compute the volume function on these varieties, we compute all Newton-Okounkov bodies with respect to linear flags. | contribution 0.54 | 0.92 | 0.18 | asserted 1.00 |
| s2 | Moreover, we characterize semi-stable vector bundles over curves via Newton-Okounkov bodies. | result 0.90 | 0.93 | 0.44 | asserted 1.00 |
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Original abstract
In this article, we study Newton-Okounkov bodies on projective vector bundles over curves. Inspired by Wolfe's estimates used to compute the volume function on these varieties, we compute all Newton-Okounkov bodies with respect to linear flags. Moreover, we characterize semi-stable vector bundles over curves via Newton-Okounkov bodies.
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We notice that if for all linear flags $Y_∙$ the Newton-Okounkov body of $η=a(ξ-μ_ℓf)+bf$ is given by $Δ_Y_∙(η)=[0,b]×aΔ_r-1 ⊆ℝ^r$ then $η$ is a big and nef class, by [ref] .
Positivity of line bundles and Newton-Okounkov bodies · Some reductions · 0.99
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