TOWARDS THE FUTURE OF SUPERNOVA COSMOLOGY. - KNIGHTS, MICHELLE; BASSETT, BRUCE A.; VARUGHESE, MELVIN; HLOZEK, RENÉE; KUNZ, MARTIN; SMITH, MAT; NEWLING, JAMES (Thirteenth Marcel Grossmann Meeting, The: on Recent Developments in Theoretical & Experimental General Relativity, Astrophysics & Relativistic Field Theories - Proceedings of the Mg13 Meeting on General Relativity (In 3 Volumes), 2015)