conformal mapping
61Motor variable — A function of a motor variable is a function with arguments and values in the split complex number plane, much as functions of a complex variable involve ordinary complex numbers. The split complex numbers lie in the motor plane D, a term… …
62List of important publications in mathematics — One of the oldest surviving fragments of Euclid s Elements, found at Oxyrhynchus and dated to circa AD 100. The diagram accompanies Book II, Proposition 5.[1] This is a list of important publications in mathematics, organized by field. Some… …
63Ulf Leonhardt — (* 9. Oktober 1965 in Schlema) ist ein deutscher Physiker, der sich mit Metamaterialien, optischen Analoga zu Schwarzen Löchern und anderen optischen Phänomenen sowie mit Quanten Levitation beschäftigt. Inhaltsverzeichnis 1 Leben 2 Werk 3 …
64Calculus of variations — is a field of mathematics that deals with extremizing functionals, as opposed to ordinary calculus which deals with functions. A functional is usually a mapping from a set of functions to the real numbers. Functionals are often formed as definite …
65Invisibility — is the state of an object which cannot be seen. An object in this state is said to be invisible (literally, not visible ). The term is usually used as a fantasy/science fiction term, where objects are literally made unseeable by magical or… …
66BLT — The acronym BLT, when used alone, may refer to one of the following:*BLT sandwich (bacon, lettuce, and tomato) *BitBLT Short for Bit Block Transfer an operation in computer graphics. BLT is sometimes expanded to blit . *Block transfer instruction …
67Upper half-plane — In mathematics, the upper half plane H is the set of complex numbers with positive imaginary part y: The term is associated with a common visualization of complex numbers with points in the plane endowed with Cartesian coordinates, with the Y… …
68Kazimierz Zarankiewicz — (2 May 1902 5 September 1959) was a Polish mathematician. He was born in Częstochowa and died in London, England.His main interest was topology. He studied at the University of Warsaw, together with Zygmunt Janiszewski, Stefan Mazurkiewicz,… …
69Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… …
70Hydrogeology — ( hydro meaning water, and geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth s crust, (commonly in aquifers). The term geohydrology is… …
