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math.NA2026
Vector alignment in matrix Lie groups
Congzhou M Sha
Two observers of the same physical system may differ in gauge by a group element acting on their common vector representations, and recovering that element from finite, noisy paire…
math.NA2026
Optimal alignment of Lorentz orientation and generalization to matrix Lie groups
Congzhou M Sha
There exist elegant methods of aligning point clouds in . Unfortunately, these methods fail to generalize to the case of Minkowski space, as we will show. Instead, we…