The paper unifies multiple signal transforms as eigenbases of covariances invariant under specific groups, using representation theory and an Algebraic Diversity framework to discover matched groups from data.
Functions of positive and negative type, and their connection with the theory of integral equations
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Unification of Signal Transform Theory
The paper unifies multiple signal transforms as eigenbases of covariances invariant under specific groups, using representation theory and an Algebraic Diversity framework to discover matched groups from data.