composition mapping
91Nielsen–Thurston classification — In mathematics, Thurston s classification theorem characterizes homeomorphisms of a compact surface. William Thurston s theorem completes the work initiated by Jakob Nielsen (1944). Given a homeomorphism f : S → S, there… …
92Nielsen-Thurston classification — In mathematics, Thurston s classification theorem characterizes homeomorphisms of a compact surface. William Thurston s theorem completes the work initiated by Jakob Nielsen in the 1930s.Given a homeomorphism f : S rarr; S , there is a map g… …
93Open and closed maps — In topology, an open map is a function between two topological spaces which maps open sets to open sets.[1] That is, a function f : X → Y is open if for any open set U in X, the image f(U) is open in Y. Likewise, a closed map is a function… …
94Ceres (dwarf planet) — For other uses of the name Ceres , see Ceres. Ceres   Ceres as seen by Hubble Space Telescope (ACS). The …
95Unicode numerals — Numerals (often called numbers in Unicode) are characters that denote a number. The same Arabic Indic numerals are used widely in various writing systems throughout the world and all share the same semantics for denoting numbers, However, the… …
96Volcanism on Io — This is a sub article to Io (moon)Volcanism on Io, a moon of Jupiter, produces lava flows, volcanic pits, and plumes of sulfur and sulfur dioxide hundreds of kilometres high. This volcanic activity was discovered in 1979 by Voyager 1 imaging… …
97Bruce Jakosky — Infobox Person name=Bruce Jakosky birth name=Bruce Milton Jakosky birth date=birth date and age|mf=yes|1955|12|9 right|framed|Bruce Jakosky nationality=American occupation=Scientist employer=University of Colorado at BoulderBruce Milton Jakosky… …
98Vénus (planète) — Pour les articles homonymes, voir Vénus. Vénus …
99Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
100Noachian — MOLA colorized relief map of Noachis Terra, the type area for the Noachian System. Note the superficial resemblance to the lunar highlands. Colors indicate elevation, with red highest and blue violet lowest. The blue feature at bottom right is… …
