IEEE

Eigenvalue Bounds for Sum-Rank-Metric Codes

Abstract: We consider the problem of deriving upper bounds on the parameters of sum-rank-metric codes, with focus on their dimension and block length. The sum-rank metric is a combination of the ...
IEEE

A computational approach for the inverse problem of reconstructing a spherically symmetric refractive index using modified transmission eigenvalues

Abstract: The modified transmission eigenvalue problem is a special eigenvalue problem that arises in inverse scattering of inhomogeneous media. We confine to the case where the medium is spherically ...
PC World

How to fix common USB connection problems in Windows

So you’ve connected a device to your PC via a USB port — but Windows doesn’t recognize it. What now? Before you assume the product (or your PC port) is broken, there are several USB troubleshooting ...
NPR

Bumblebees have tiny brains but they can solve problems like chimps and elephants

For new discoveries, everyday mysteries, and the science behind the headlines, follow NPR's ShortWave podcast . Over a century ago, the German psychologist Wolfgang Köhler conducted what became a ...