Robin has done a fair bit of numerical simulation on his OP posts here https://www.overcomingbias.com/2020/12/how-far-aggressive-aliens-part-2.html/ https://www

Robin has done a fair bit of numerical simulation on his OP posts here https://www.overcomingbias.com/2020/12/how-far-aggressive-aliens-part-2.html/ https://www.overcomingbias.com/2020/12/how-far-aggressive-al..., and says he'll have an actual paper out in a week or two.