As the official celebrations of the 250th anniversary of the signing of the Declaration of Independence culminate on July 4, a well-financed, privately funded initiative will kick off to try to ...

As the official celebrations of the 250th anniversary of the signing of the Declaration of Independence culminate on July 4, a well-financed, privately funded initiative will kick off to try to ...

This paper proposes an exact method to solve an integer indefinite quadratic bilevel problem with multiple objectives at the upper level, where the objective functions at both levels are a product of ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly reflecting shapes to tile a surface, researchers uncovered a method that links ...

Abstract: Stepwise controllable devices, such as switched capacitors or stepwise controllable loads and generators, transform the nonconvex AC optimal power flow (AC-OPF) problem into a nonconvex ...

Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable of almost anything. Jo excels at intuitive problem-solving. Over her life, ...

Amid sky-high inflation, water and energy cuts and prospects for a deal with the U. S. dimming, President Masoud Pezeshkian has apparently thrown up his hands. By Farnaz Fassihi and Leily Nikounazar ...

H ave you ever met a Zionist Foucauldian? Some 30 years ago, I half-jokingly asked my fellow graduate students in a social-theory course if they had ever encountered such a creature. No one had. The ...

Joystick drift on the DualSense controller is one of the most common frustrations for PlayStation 5 gamers. This issue occurs when analog sticks register movement even without input, causing ...