Abstract: In real life, there are many problems with conditional constraints, which can be regarded as constrained optimization problems. The difficulty in solving this type of problem lies in how to ...

Jan. 21, 2026 A major global study suggests that a hidden mismatch between two common blood tests could quietly signal serious trouble ahead. When results from creatinine and cystatin C—two markers ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

Abstract: Aiming at the problems of distribution networks containing a high percentage of distributed power sources in terms of source-load uncertainty and coordination of multiple reactive power ...