English

Affine Subspace Concentration Conditions

Algebraic Geometry 2026-04-29 v2

Abstract

We define a new notion of affine subspace concentration conditions for lattice polytopes, and prove that they hold for smooth and reflexive polytopes with barycenter at the origin. Our proof involves considering the slope stability of the canonical extension of the tangent bundle by the trivial line bundle and with the extension class c1(TX)c_1(\mathcal{T}_X) on Fano toric varieties.

Keywords

Cite

@article{arxiv.2201.06062,
  title  = {Affine Subspace Concentration Conditions},
  author = {Kuang-Yu Wu},
  journal= {arXiv preprint arXiv:2201.06062},
  year   = {2026}
}

Comments

14 pages, v2: published version, revisions following referee's comments, major changes in Lemma 3.2 and its proof, to appear in EPIGA

R2 v1 2026-06-24T08:51:35.833Z