Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

Methods of designing quasi-optics are researched to improve the spatial resolution of the millimeter-wave imaging system. On the basis of characteristics comparison of different design methods and ...

Quantifying the common information between random variables is a fundamental problem with a long history in information theory. Traditionally, common information is measured in number of bits and thus ...