Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This paper proposes a novel shrinkage estimator for high-dimensional covariance matrices by extending the Oracle ...
This is a preview. Log in through your library . Journal Information This monthly journal, begun in 1950, is devoted entirely to research in pure and applied mathematics, principally to the ...
This is a preview. Log in through your library . Abstract Diagonalization is a proof technique that formal learning theorists use to show that inductive problems are unsolvable. The technique ...