Abstract: The large-signal stability analysis of two-stage cascaded dc–dc converter systems is still a troublesome problem due to various limitations of existing stability analysis methods. To address ...

In the 1930s and 1940s, for example, a group of Polish mathematicians regularly met in a café in Lwów, Poland (now Lviv, ...

We've all seen it happen: finding the motivation to actually make it to 6 a.m. boot-camp with a friend; nailing the last round of squats when you see those around you powering through; or pushing ...

Defense Secretary Pete Hegseth’s highly unusual decision to remove officers from a one-star promotion list has spurred allegations of racial and gender bias. By Greg Jaffe Eric Schmitt Helene Cooper ...