This brief presents a necessary and sufficient condition for testing positive, real, imaginary, and negative rational functions. A related term, the positive, imaginary, and negative polynomial, is ...

Superconductivity is an advantageous property observed in some materials, which entails the ability to conduct electricity ...

US President Donald Trump said the country would begin levying a 50% tariff on copper imports from August 1, confirming a ...

The electrostatic Green's function for the open or covered microstrip line is obtained by an integral representation of the free space Green's function, the results of which may be applied to obtain ...