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cs.LG2026
Algebraic Diversity: Group-Theoretic Spectral Estimation from Single Observations
Mitchell A. Thornton
We establish that temporal averaging over multiple observations is the degenerate case of algebraic group action with the trivial group . A General Replacement Theorem pro…
cs.LG2026
Polynomial-Time Optimal Group Selection via the Double-Commutator Eigenvalue Problem
Mitchell A. Thornton
The algebraic diversity framework generalizes temporal averaging over multiple observations to algebraic group action on a single observation for second-order statistical estimatio…