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List of triangle topics

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This list of triangle topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or in triangular arrays such as Pascal's triangle or triangular matrices, or concretely in physical space. It does not include metaphors like "love triangle" in which the word has no reference to the geometric shape.

Contents

Algebra

  • Triangular matrix
  • (2,3,7) triangle group

    • Triangular arrays of numbers

  • Bell numbers
  • Boustrophedon transform
  • Eulerian number
  • Floyd's triangle
  • Lozanić's triangle
  • Narayana number
  • Pascal's triangle
  • Rencontres numbers
  • Romberg's method
  • Stirling numbers of the first kind
  • Stirling numbers of the second kind
  • Triangular number
  • Triangular pyramidal number

    • The (incomplete) Bell polynomials from a triangular array of polynomials (see also Polynomial sequence).

    Integers in triangle geometry

  • Heronian triangle
  • Integer triangle
  • Pythagorean triple
  • Eisenstein triple

    • Geography

  • Bermuda Triangle
  • Historic Triangle
  • Parliamentary Triangle, Canberra
  • Research Triangle
  • Sunni Triangle
  • Triangular trade

    • Anatomy

  • Submandibular triangle
  • Triangle choke
  • Arm triangle choke
  • Submental triangle
  • Carotid triangle

    • Artifacts

  • Black triangle
  • Triangle (musical instrument)
  • Triangular prism (optics)
  • Triquetra

    • Symbols

  • Eye of Providence
  • Valknut

    • References

    List of triangle topics Wikipedia
    (Text) CC BY-SA


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