Now, on to the subject of complex numbers. We have stayed away from this subject until now simply because we did not want to confuse things. Initially, it is easy to think of signals as “real valued.” ...

Real and imaginary: The time-dependent Schrödinger equation formulated using complex numbers. (Courtesy: iStock/piranka) Complex numbers are essential to achieve the most accurate quantum-mechanical ...

Topoisomerase II (topo II) is a potential cellular target for a number of anti-cancer drugs. To elucidate the possible mechanism for anti-proliferation activity of copper salicylaldoxime (CuSAL), ...