discontinuous approximation
81Darboux, Jean-Gaston — ▪ French mathematician born Aug. 14, 1842, Nîmes, France died Feb. 23, 1917, Paris French mathematician who made important contributions to geometry and analysis and after whom the Darboux integral is named. After acting as an assistant in …
82pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
83Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
