Advanced LIGO and Virgo have already detected black holes crashing into each other at least ten t imes. With their upgrades we anticipate a rate of about 1 gravitational-wa ve detection per week. More signals and higher precision will take the dre am of testing Einstein'\;s theory of gravity\, general relativity\, and make it a reality. But would we know a correction to Einstein'\;s theo ry if we saw it? How do we make predictions from theories beyond GR? And d o current numerical relativity simulations have enough precision that we c ould be confident in any potential discrepancy between observations and pr edictions? I will discuss (i) how to perform simulations in beyond-GR theo ries of gravity\, and (ii) how numerical relativity simulations need to im prove to be ready for the precision frontier of gravitational wave astroph ysics.

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\n DTSTART:20191108T203000Z LOCATION:Physics Building\, Room 204 SUMMARY:Testing Einstein with numerical relativity: theories beyond general relativity\, and the precision frontier END:VEVENT END:VCALENDAR