Chinese researchers have developed an innovative electrified catalysis strategy that removes more greenhouse gases than it ...

Quadratic systems of equations appear in several applications. The results in this letter are motivated by quadratic systems of equations that describe equilibrium behavior of physical infrastructure ...

For each branch/line, the BFM contains a nonconvex quadratic equality. A mathematical formulation of its convex hull is proposed, which is the tightest convex relaxation of this quadratic equation.

Signs installed earlier in National Parks earlier in June asked for feedback on signs "that are negative about past or living Americans." Comments viewed by NPR didn't provide the requested feedback.

Signs of a negative Indian Ocean Dipole (IOD) in the coming months could bring heavy rainfall, severe thunderstorms and tropical cyclones to Australia.

Learn about and revise how to continue sequences and find the nth term of linear and quadratic sequences with GCSE Bitesize AQA Maths.