🔥 Patent Update | The State Grid Shanghai Energy Internet Research Institute has recently applied for a new patent titled "A Method and Device for Multi-Objective Heuristic Power Flow Equation Matrix ...

IN the preface to his "Elliptic Functions", written in 1892, Prof. A. G. Greenhill complained that, although the subject was then nearly seventy years old, it had not made its way into the ordinary ...

We show that the Jacobian Jf of a quasi-conformal mapping f: Bn → D is an A∞-weight in Bn if and only if D is a John domain. A similar question concerning Jf - 1 is also studied.