English

The Alpha Problem & Line Count Configurations

Commutative Algebra 2014-04-01 v3

Abstract

Motivated by the work of Chudnovsky and the Eisenbud-Mazur Conjecture on evolutions, Harbourne and Huneke give a series of conjectures that relate symbolic and regular powers of ideals of fat points in Pn\mathbb P^n. The conjectures involve both containment statements and bounds for the initial degree in which there is a non-zero form in an ideal. Working with initial degrees, we verify two of these conjectures for special line count configurations in projective 2-space over an algebraically closed field of characteristic 0.

Keywords

Cite

@article{arxiv.1312.4147,
  title  = {The Alpha Problem & Line Count Configurations},
  author = {Susan M. Cooper and Stephen G. Hartke},
  journal= {arXiv preprint arXiv:1312.4147},
  year   = {2014}
}

Comments

This version contains an alternate proof of the main combinatorial identity that was suggested by an anonymous referee. v3 also fixes some typos

R2 v1 2026-06-22T02:27:53.547Z