Asymptotic fragility, superluminality and pi

          @misc{ scivideos_PIRSA:15040105,
            doi = {10.48660/15040105},
            url = {https://pirsa.org/15040105},
            author = {},
            keywords = {Cosmology},
            language = {en},
            title = {Asymptotic fragility, superluminality and pi},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2015},
            month = {apr},
            note = {PIRSA:15040105 see, \url{https://scivideos.org/index.php/pirsa/15040105}}
          }