A characterization of projective space via lengths of extremal rays

Osamu Fujino; Eric Jovinelly; Brian Lehmann; Eric Riedl

A characterization of projective space via lengths of extremal rays

Algebraic Geometry 2026-02-26 v1

Authors: Osamu Fujino , Eric Jovinelly , Brian Lehmann , Eric Riedl

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Abstract

We prove a new characterization of complex projective space using lengths of extremal rays.

Keywords

projective space extremal rays characterization complex geometry

Cite

@article{arxiv.2602.22192,
  title  = {A characterization of projective space via lengths of extremal rays},
  author = {Osamu Fujino and Eric Jovinelly and Brian Lehmann and Eric Riedl},
  journal= {arXiv preprint arXiv:2602.22192},
  year   = {2026}
}