distance-preserving mapping
41Gall-Peters projection — The Gall Peters projection is one specialization of a configurable equal area map projection known as the equal area cylindric or cylindric equal area projection. The Gall Peters achieved considerable notoriety in the late 20th century as the… …
42James Cook — This article is about the British explorer. For other uses, see James Cook (disambiguation). Captain Cook redirects here. For other uses, see Captain Cook (disambiguation). James Cook …
43Group theory — is a mathematical discipline, the part of abstract algebra that studies the algebraic structures known as groups. The development of group theory sprang from three main sources: number theory, theory of algebraic equations, and geometry. The… …
44Riemannian manifold — In Riemannian geometry, a Riemannian manifold ( M , g ) (with Riemannian metric g ) is a real differentiable manifold M in which each tangent space is equipped with an inner product g in a manner which varies smoothly from point to point. The… …
45nature, philosophy of — Introduction the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology. In this… …
46Data mining in meteorology — Meteorology is the interdisciplinary scientific study of the atmosphere. It observes the changes in temperature, air pressure, moisture and wind direction. Usually, temperature, pressure, wind measurements and humidity are the variables that are… …
47Keyboard layout — QWERTY keyboard on a laptop. A keyboard layout is any specific mechanical, visual, or functional arrangement of the keys, legends, or key–meaning associations (respectively) of a computer, typewriter, or other typographic keyboard. Mechanical… …
48Object recognition (computer vision) — Feature detection Output of a typical corner detection algorithm …
49Distributed hash table — A distributed hash table (DHT) is a class of a decentralized distributed system that provides a lookup service similar to a hash table; (key, value) pairs are stored in a DHT, and any participating node can efficiently retrieve the value… …
50Poincaré half-plane model — Stellated regular heptagonal tiling of the model.In non Euclidean geometry, the Poincaré half plane model is the upper half plane, together with a metric, the Poincaré metric, that makes it a model of two dimensional hyperbolic geometry.It is… …
