English

Small Instantons, del Pezzo Surfaces and Type I' theory

High Energy Physics - Theory 2018-10-14 v2 Algebraic Geometry

Abstract

Small instantons of exceptional groups arise geometrically by a collapsing del Pezzo surface in a CY. We use this to explain the physics of a 4-brane probe in Type I' compactification to 9 dimensions.

Keywords

Cite

@article{arxiv.hep-th/9609071,
  title  = {Small Instantons, del Pezzo Surfaces and Type I' theory},
  author = {M. R. Douglas and S. Katz and C. Vafa},
  journal= {arXiv preprint arXiv:hep-th/9609071},
  year   = {2018}
}

Comments

21 pages, minor changes

R2 v1 2026-07-22T16:01:22.897Z