projective configuration
81combinatorics — /keuhm buy neuh tawr iks, tor , kom beuh /, n. (used with singular v.) See combinatorial analysis. * * * Branch of mathematics concerned with the selection, arrangement, and combination of objects chosen from a finite set. The number of possible… …
82perception — perceptional, adj. /peuhr sep sheuhn/, n. 1. the act or faculty of apprehending by means of the senses or of the mind; cognition; understanding. 2. immediate or intuitive recognition or appreciation, as of moral, psychological, or aesthetic… …
83Theoreme de Sylvester–Gallai — Théorème de Sylvester–Gallai Le théorème de Sylvester–Gallai affirme qu étant donné un ensemble fini de points du plan, on a l alternative suivante : soit tous les points sont colinéaires, soit il existe une droite qui contient exactement… …
84Théorème de Sylvester–Gallai — Le théorème de Sylvester–Gallai affirme qu étant donné un ensemble fini de points du plan, on a l alternative suivante : soit tous les points sont colinéaires, soit il existe une droite qui contient exactement deux de ces points (droite… …
85Théorème de sylvester–gallai — Le théorème de Sylvester–Gallai affirme qu étant donné un ensemble fini de points du plan, on a l alternative suivante : soit tous les points sont colinéaires, soit il existe une droite qui contient exactement deux de ces points (droite… …
86speech — /speech/, n. 1. the faculty or power of speaking; oral communication; ability to express one s thoughts and emotions by speech sounds and gesture: Losing her speech made her feel isolated from humanity. 2. the act of speaking: He expresses… …
87Cycle double cover — Unsolved problems in mathematics Does every bridgeless graph have a multiset of cycles covering every edge exactly twice? …
88August Ferdinand Möbius — Infobox Scientist box width = 300px name = August Möbius image size = 300px caption = August Ferdinand Möbius (1790 ndash;1868) birth date = November 17, 1790 birth place = Schulpforta, Saxony Anhalt, Germany death date = September 26, 1868 death …
89Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… …
90E₈ — In mathematics, E8 is the name given to a family of closely related structures. In particular, it is the name of four exceptional simple Lie algebras as well as that of the six associated simple Lie groups. It is also the name given to the… …
