bicircular

  • 11List of mathematics articles (B) — NOTOC B B spline B* algebra B* search algorithm B,C,K,W system BA model Ba space Babuška Lax Milgram theorem Baby Monster group Baby step giant step Babylonian mathematics Babylonian numerals Bach tensor Bach s algorithm Bachmann–Howard ordinal… …

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  • 12Cassini oval — Some Cassini ovals. (b=0.6a, 0.8a, a, 1.2a, 1.4a, 1.6a) A Cassini oval is a plane curve defined as the set (or locus) of points in the plane such that the product of the distances to two fixed points …

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  • 13Biased graph — In mathematics, a biased graph is a graph with a list of distinguished circles (edge sets of simple cycles), such that if two circles in the list are contained in a theta graph, then so is the third circle of the theta graph. A biased graph is a… …

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  • 14Hippopede — In geometry, a hippopede (from ἱπποπέδη meaning horse fetter in ancient Greek) is a plane curve determined by an equation of the form (x2 + y2)2 = cx2 + dy2, where it is assumed that c>0 and c>d since the remaining cases either reduce to a… …

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  • 15Бициркулярная кривая — специально Б. к. 4 го порядка есть такая кривая, которая имеет две двойные точки, совпадающие с двумя бесконечно удаленными мнимыми циклическими точками. Теория этих кривых разработана более, чем других кривых 4 го порядка. См. Cazey, On… …

    Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

  • 16GOLDSCHMIDT, VICTOR — (1853–1933), German crystallographer and inventor. Goldschmidt, who was born in Mainz, was appointed teacher at Heidelberg University in 1888, and professor in 1893. Among his publications were Index der Krystallformen der Mineralien (3 vols.,… …

    Encyclopedia of Judaism