Researchers used the Frontera supercomputer to explore light-induced superconductivity a pulsed laser, which is believed to be a promising route to room-temperature superconductors. They found that ...

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 ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 52, No. 3 (2003), pp. 307-322 (16 pages) Many geophysical regression problems require the analysis of large (more than 104 ...

This article sheds light on the asymptotic behavior of diagonal elements of projection matrices associated with instruments or regressors under many instrument/regressor asymptotics. When the diagonal ...