The veteran Middle East negotiators Hussein Agha and Robert Malley assess the promises and pitfalls of Trump’s peace deal. This is an edited transcript of an episode of “The Ezra Klein Show.” You can ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

I understand that most likely you have been trying your best and pretending that life is OKAY, but now the heaviness of putting on a brave face is getting you down. You have tried a few things ( ...

Abstract: This brief considers special nonlinear resistors are where the voltage is controlled by a polynomial of the current with arbitrary rational exponents, called rational current controlled ...

A three-person crew stranded at China's space station after their spacecraft will return Friday using the craft that brought the replacement crew up, state media said The White House's list of 37 ...

Albert Einstein had described the special theory of relativity in 1905. The result of Einstein's thinking about light, this theory introduced brand-new ideas to science. It opened up an entire field ...

How long does rational emotive behavior therapy last? REBT therapy treatment is short-term and focused in nature. It can last for a set number of sessions, ending within a few weeks or months. Like ...

This volume is an introductory level textbook for partial differential equations (PDE's) and suitable for a one-semester undergraduate level or two-semester graduate level course in PDE's or applied ...

This book outlines the modern theory of functional equations and inequalities in several variables. It consists of three parts. The first is devoted to additive and convex functions defined on linear ...