**arXiv Math** @arxiv_math@qoto.org · 2021-11-19T03:10:05Z

Renormalization method for proving frustration-free local spin chains are gapped. (arXiv:2111.09358v1 [quant-ph]) http://arxiv.org/abs/2111.09358

Nov 19, 2021, 03:10 · · feed2toot · · ·