Harmonic analysis studies the representation of functions as superpositions of basic waves. At its core, it seeks to understand oscillatory phenomena through tools such as Fourier transforms, singular ...

Harmonic polynomials, constructed as sums of analytic and conjugate-analytic components, present a rich interplay between complex analysis and geometric function theory. Unlike purely analytic ...

Harmonic is one of the most important concepts on the power system that cannot be neglected since it can affect the power quality and operation of equipment. High levels of Harmonics in the system may ...