English

Pythagoras Theorem in Noncommutative Geometry

Mathematical Physics 2015-12-22 v2 math.MP Operator Algebras

Abstract

After a review of the results in arXiv:1203.3184 [math-ph] about Pythagorean inequalities for products of spectral triples, I will present some new results and discuss classes of spectral triples and states for which equality holds.

Keywords

Cite

@article{arxiv.1507.08773,
  title  = {Pythagoras Theorem in Noncommutative Geometry},
  author = {Francesco D'Andrea},
  journal= {arXiv preprint arXiv:1507.08773},
  year   = {2015}
}

Comments

Proceedings of the Conference on Optimal Transport and Noncommutative Geometry, Besancon, 2014. Extended version. 39 pages, 8 pictures. v2: minor corrections

R2 v1 2026-06-22T10:23:08.497Z