equiareal
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Equiareal — Let M,N be surfaces in the Euclidean space mathbb{R}^3. A smooth map f:M ightarrow N is called equiareal if:|df p(v) imes df p(w)|=|v imes w|, for all pin M and v,win T pM, where the latter denotes the tangent space to M.For some examples of such … Wikipedia
Map projection — A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy s Geography and using his second map projection A map projection is any method of representing the surface of a sphere or other … Wikipedia
List of mathematics articles (E) — NOTOC E E₇ E (mathematical constant) E function E₈ lattice E₈ manifold E∞ operad E7½ E8 investigation tool Earley parser Early stopping Earnshaw s theorem Earth mover s distance East Journal on Approximations Eastern Arabic numerals Easton s… … Wikipedia
Proyección de Peters — Proyección de Peters. La Proyección de Peters (llamada así por Arno Peters), aunque más correctamente Proyección de Gall Peters, es una proyección cartográfica que apareció por primera vez en 1856, publicada en el Polish Geographical Magazine por … Wikipedia Español
equal-area — adjective Of a map, having the property that equal areas on the map represent equal areas on the mapped surface. Syn: authalic, equiareal, equivalent, homalographic, homolographic … Wiktionary
2 × 2 real matrices — The set of 2 × 2 real matrices is denoted by M(2, R). Two matrices p and q in M(2, R) have a sum p + q given by matrix addition. The product matrix p q is formed from the dot product of the rows and columns of its factors… … Wikipedia
