Research ideas

Lorentz-Gram-preserving hyperbolic attention

Replace an unconstrained nonlinearity on hyperbolic pairwise similarities with a function from the paper's exact Lorentz–Gram preserver family. The transformed similarity matrix remains realizable as Lorentz inner products of future-directed unit timelike vectors, allowing a network to sharpen or smooth hyperbolic neighborhoods without introducing geometrically impossible pairwise relations.