Tensor network renormalization

          @misc{ scivideos_PIRSA:15110068,
            doi = {10.48660/15110068},
            url = {https://pirsa.org/15110068},
            author = {Vidal, Guifre},
            keywords = {Quantum Matter},
            language = {en},
            title = {Tensor network renormalization},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2015},
            month = {nov},
            note = {PIRSA:15110068 see, \url{https://scivideos.org/pirsa/15110068}}
          }