English

Angle Defect for Super Triangles

Geometric Topology 2022-10-06 v2 High Energy Physics - Theory

Abstract

We prove that the angle defect minus the area of a super hyperbolic triangle is not identically zero and explicitly compute the purely fermionic difference. This disproves the Angle Defect Theorem for N=1 super hyperbolic geometry and provides a novel non-trivial additive function of super triangles. The proof techniques involve the real orthosymplectic group OSp(1|2) in its action on the real super Minkowski space of dimension 2,1|1 and brute-force computation.

Keywords

Cite

@article{arxiv.2208.06826,
  title  = {Angle Defect for Super Triangles},
  author = {Robert Penner},
  journal= {arXiv preprint arXiv:2208.06826},
  year   = {2022}
}

Comments

27 pages, Festschrift for Athanase Papadopoulos; revision corrects silly insignificant error

R2 v1 2026-06-25T01:41:47.705Z