Abstract: It has been demonstrated that fast convolutional sparse dictionary learning (FCSDL) is a useful instrument for diagnosing rolling bearing faults and can recover rolling bearing fault shocks ...

The U.S. working-age population is headed for a cliff, one that has become much steeper over the past year due, in part, to the Trump administration’s strict immigration policies. The proportion of ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Macworld reports that iPhone users are experiencing significant problems with iOS 26.2.1, including app crashes, device freezes, and severe battery drain issues. Multiple forum threads on Apple ...

iPhones As a former phone engineer, I have some serious concerns about Apple potentially introducing variable apertures into the iPhone 18 Pro macOS macOS Tahoe 26.4 public beta is here — and these ...

Abstract: One of the primary objectives of 2-D inverse scattering problems (ISPs) is to accurately characterize the nature of an unknown tomographic domain based on the collected scattered field data.