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  2. Taxicab geometry - Wikipedia

    en.wikipedia.org/wiki/Taxicab_geometry

    In taxicab geometry, the lengths of the red, blue, green, and yellow paths all equal 12, the taxicab distance between the opposite corners, and all four paths are shortest paths. Instead, in Euclidean geometry, the red, blue, and yellow paths still have length 12 but the green path is the unique shortest path, with length equal to the Euclidean ...

  3. Taxicab number - Wikipedia

    en.wikipedia.org/wiki/Taxicab_number

    In mathematics, the nth taxicab number, typically denoted Ta(n) or Taxicab(n), is defined as the smallest integer that can be expressed as a sum of two positive integer cubes in n distinct ways. [1] The most famous taxicab number is 1729 = Ta(2) = 1 3 + 12 3 = 9 3 + 10 3 , also known as the Hardy-Ramanujan number.

  4. Talk:Taxicab geometry - Wikipedia

    en.wikipedia.org/wiki/Talk:Taxicab_geometry

    Wrong. Taxicab geometry is essentially different from Euclidean geometry. SAS congruence criterion holds in Euclidean geometry, but not in Taxicab geometry. That's the whole point! --345Kai 02:16, 20 April 2006 (UTC) The article states: "A circle in taxicab geometry consists of those points that are a fixed Manhattan distance from the center.

  5. File:TaxicabGeometryCircle.svg - Wikipedia

    en.wikipedia.org/wiki/File:TaxicabGeometryCircle.svg

    English: Image showing an intuitive explanation of why circles in taxicab geometry look like rotated squares. Created with a specially written program (posted on talk page), based on design of bitmap image created by Schaefer .

  6. Taxi (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Taxi_(disambiguation)

    Taxicab geometry; Taxicab number; Taxis, in biology, is a behavioural response; Taxis, in rhetoric, see Dispositio; Thurn und Taxis, German princely family, key player in the postal services of 16th-century Europe; Rádio Táxi, a pop rock band from Brazil

  7. Minkowski distance - Wikipedia

    en.wikipedia.org/wiki/Minkowski_distance

    The Minkowski distance or Minkowski metric is a metric in a normed vector space which can be considered as a generalization of both the Euclidean distance and the Manhattan distance.

  8. Hilbert's fourth problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_fourth_problem

    In mathematics, Hilbert's fourth problem in the 1900 list of Hilbert's problems is a foundational question in geometry.In one statement derived from the original, it was to find — up to an isomorphism — all geometries that have an axiomatic system of the classical geometry (Euclidean, hyperbolic and elliptic), with those axioms of congruence that involve the concept of the angle dropped ...

  9. Hermann Minkowski - Wikipedia

    en.wikipedia.org/wiki/Hermann_Minkowski

    Hermann Minkowski was born in the town of Aleksota, the SuwaƂki Governorate, the Kingdom of Poland, since 1864 part of the Russian Empire, to Lewin Boruch Minkowski, a merchant who subsidized the building of the choral synagogue in Kovno, [10] [11] [12] and Rachel Taubmann, both of Jewish descent. [13]