Appendix to V. Mathai and J. Rosenberg's paper "A noncommutative sigma-model"
英文摘要：
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.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
