English

Appendix to V. Mathai and J. Rosenberg's paper "A noncommutative sigma-model"

Operator Algebras 2012-01-04 v2 Quantum Algebra

Abstract

We prove a conjecture of Rosenberg about the minimal value for energies of untaries in the two-dimensional noncommutative tori and answer a question of his about lower bounds for energies of unital *-endomorphisms of the two-dimensional noncommutative tori.

Cite

@article{arxiv.0909.4978,
  title  = {Appendix to V. Mathai and J. Rosenberg's paper "A noncommutative sigma-model"},
  author = {Hanfeng Li},
  journal= {arXiv preprint arXiv:0909.4978},
  year   = {2012}
}

Comments

4 pages

R2 v1 2026-06-21T13:51:10.880Z