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• Catalan number (section Catalan k-fold convolution)
  generalizes: the Catalan number of a Coxeter diagram is equal to the sum of the Catalan numbers of all its maximal proper sub-diagrams. The Catalan numbers are
  38 KB (5,326 words) - 22:45, 6 February 2024
• Fuss–Catalan number
   I. Fuss and Eugène Charles Catalan. In some publications this equation is sometimes referred to as Two-parameter Fuss–Catalan numbers or Raney numbers.
  12 KB (1,733 words) - 16:12, 6 February 2024
• Catalan solid (category Catalan solids) (section List of Catalan solids and their duals)
  solids In mathematics, a Catalan solid, or Archimedean dual, is a polyhedron that is dual to an Archimedean solid. There are 13 Catalan solids. They are named
  23 KB (2,142 words) - 17:03, 6 February 2024
• Aliquot sequence (redirect from Catalan–Dickson conjecture) (section Catalan–Dickson conjecture)
  (sequence A005114 in the OEIS) An important conjecture due to Catalan, sometimes called the Catalan–Dickson conjecture, is that every aliquot sequence ends in
  11 KB (1,302 words) - 22:35, 6 February 2024
• Fermat–Catalan conjecture
  full Fermat–Catalan conjecture is stronger as it allows for the exponents m, n and k to vary. The abc conjecture implies the Fermat–Catalan conjecture.
  5 KB (574 words) - 06:00, 9 March 2024
• Catalan surface
  In geometry, a Catalan surface, named after the Belgian mathematician Eugène Charles Catalan, is a ruled surface all of whose generators are parallel to
  2 KB (243 words) - 23:14, 6 February 2024
• Cassini and Catalan identities (section Proof of Catalan identity)
  the identity already in 1608. Catalan's identity is named after Eugène Catalan (1814–1894). It can be found in one of his private research notes, entitled
  7 KB (1,062 words) - 16:47, 6 February 2024
• Social:Catalan language (section Catalan-speaking territories)
  Romance language File:WIKITONGUES- Ona speaking Catalan.webm File:WIKITONGUES- Artur speaking Catalan.webm Catalan (/ˈkætələn, -æn/ KAT-ə-lən, -⁠lan or /ˌkætəˈlæn/
  146 KB (11,349 words) - 06:28, 8 February 2024
• Astronomy:Catalán (crater)
  with no central peak of note. Due west of Catalán, the satellite craters Catalán A and the smaller Catalán B form a joined pair, with each having a sharp
  6 KB (494 words) - 09:39, 6 February 2024
• Biography:Eugène Charles Catalan
  1892 Catalan pseudoprime Catalan's triangle Catalan–Dickson conjecture Catalan–Mersenne number conjecture Catalan beta function Fermat–Catalan conjecture
  6 KB (598 words) - 07:01, 9 February 2024
• Astronomy:List of minor planets: 13001–14000 (redirect from 13178 Catalan)
  April 17, 1996 La Silla E. W. Elst KOR 5.3 km MPC · JPL 13178 Catalan 1996 HF18 Catalan April 18, 1996 La Silla E. W. Elst  · 9.2 km MPC · JPL 13179 Johncochrane
  201 KB (62 words) - 09:50, 6 February 2024
• Social:2017 Catalan independence referendum (section Tensions within the Catalan government)
  solidarity to the Catalan people after the arrests of 14 Catalan government officials; however, he also kept distance from the Catalan referendum calling
  210 KB (21,989 words) - 17:15, 5 February 2024
• Social:Judaeo-Catalan
  Judaeo-Catalan (Hebrew: קטלאנית יהודית‎; Catalan: judeocatalà, IPA: [ʒuˌðewkətəˈla]), also called Catalanic or Qatalanit (Hebrew: קאטאלנית‎; Catalan: catalànic
  6 KB (503 words) - 17:02, 5 February 2024
• Engineering:Catalan vault
  description: Low brickwork arch The Catalan vault (Catalan: volta catalana), also called thin-tile vault, Catalan turn, Catalan arch, boveda ceiling (Spanish
  4 KB (372 words) - 12:20, 4 February 2024
• Biography:Miguel A. Catalán
  Ciencias (Madrid). Catalán died in Madrid. The lunar crater Catalán is named after him. Based on certain conjectures of Miguel Catalan about rotational dynamics
  4 KB (485 words) - 08:27, 23 July 2022
• Social:Old Catalan
  Short description: Medieval form of the Catalan Language Old Catalan, also known as Medieval Catalan, is the modern denomination for Romance varieties
  23 KB (2,580 words) - 17:21, 5 February 2024
• Organization:Catalan Institute of Nanoscience and Nanotechnology (ICN2)
  Short description: Research institute in Catalonia The Catalan Institute of Nanoscience and Nanotechnology (ICN2) is a Spanish foundation for interdisciplinary
  11 KB (762 words) - 03:51, 7 February 2024
• Social:Catalan independence referendum, 2017 (section Tensions within the Catalan government)
  solidarity to the Catalan people after the arrests of 14 Catalan government officials; however, he also kept distance from the Catalan referendum calling
  196 KB (21,991 words) - 12:16, 23 October 2022
• Organization:Catalan Institute of Nanotechnology
  in Spain The Catalan Institute of Nanotechnology (ICN) (NanoCAT or Institut Català de Nanotecnologia) was established in 2003 by the Catalan government and
  2 KB (285 words) - 00:59, 7 February 2024
• Organization:Catalan Ornithological Institute (section Catalan Ringing Office)
  The Catalan Ornithological Institute (abbreviated to ICO; in Catalan Institut Català d'Ornitologia) is a not-for-profit association, established in 1975
  4 KB (323 words) - 03:02, 10 March 2021

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