I know mobius addition and Einstein addition are well defined in Poincaré ball model . But how to define addition in hyperboloid model(lorentz space) of hyperbolic space,and can we define the exact formula for this operation? I find some results from Vector Addition/Translation in Hyperboloid model, but still confused.
2026-03-25 22:25:57.1774477557
How to define addition law in hyperboloid model(lorentz space) of hyperbolic space
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