Welcome Remarks

          @misc{ pirsa_PIRSA:24070026,
            doi = {10.48660/24070026},
            url = {https://pirsa.org/24070026},
            author = {},
            keywords = {Cosmology, Strong Gravity, Mathematical physics},
            language = {en},
            title = {Welcome Remarks},
            publisher = {Perimeter Institute},
            year = {2024},
            month = {jul},
            note = {PIRSA:24070026 see, \url{https://pirsa.org}}
          }