multiplicity of pole
41Dirichlet eta function — For the modular form see Dedekind eta function. Dirichlet eta function η(s) in the complex plane. The color of a point s encodes the value of η(s). Strong colors denote values close to zero and hue encodes the value s argumen …
42Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
43Haroun and the Sea of Stories — Infobox Book name = Haroun and the Sea of Stories title orig = translator = image caption = 1991 Penguin paperback edition cover author = Salman Rushdie illustrator = cover artist = country = United Kingdom language = English series = genre =… …
44Doubly-periodic function — In mathematics, a doubly periodic function is a function f defined at all points z in a plane and having two periods , which are linearly independent vectors u and v such that:f(z) = f(z + u) = f(z + v).,The doubly periodic function is thus a two …
45Plains Indian — a member of any of the American Indian tribes, as those of the Algonquian, Athabascan, Caddoan, Kiowa, Siouan, or Uto Aztecan linguistic families, that formerly inhabited the Great Plains. All were more or less nomadic, following the buffalo, and …
46Greek religion — Beliefs, rituals, and mythology of the ancient Greeks. Though the worship of the sky god Zeus began as early as the 2nd millennium BC, Greek religion in the established sense began с 750 BC and lasted for over a thousand years, extending its… …
47magnetic resonance — Absorption or emission of electromagnetic radiation by electrons or atomic nuclei in response to certain magnetic fields. The principles of magnetic resonance are used to study the atomic and nuclear properties of matter; two common laboratory… …
48technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
49Doubly periodic function — In mathematics, a doubly periodic function is a function defined at all points on the complex plane and having two periods , which are complex numbers u and v that are linearly independent as vectors over the field of real numbers. That u and v… …
50History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… …
