The static limit, I presume is the inner horizon? If this were true wouldn't it be completely contained within the outer horizon? In general space-time it could be bigger than the outer horizon, but I think SR precludes the inner horizon from extending outside the sphere in space!. I am on some...
I am not a physicist but with a very big passion for the subject. I might not be able to solve your equations but i love the mind games associated with BH. Having said that, let me move on to my observation:
A kerr BH has two event horizons- The outer event horizon marks the boundary within...