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• Arf-invariant
  ''invariant of Arf'' An invariant of a quadratic form modulo 2, given on an integral lattice endowed with a b
  2 KB (287 words) - 07:17, 24 December 2017

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• Arf-invariant
  ''invariant of Arf'' An invariant of a quadratic form modulo 2, given on an integral lattice endowed with a b
  2 KB (287 words) - 07:17, 24 December 2017
• Kervaire invariant
  $#C+1 = 113 : ~/encyclopedia/old_files/data/K055/K.0505350 Kervaire invariant An invariant of an almost-parallelizable smooth manifold $ M $
  9 KB (1,216 words) - 05:30, 4 January 2022
• Kervaire-Milnor invariant
  $#C+1 = 47 : ~/encyclopedia/old_files/data/K055/K.0505360 Kervaire\ANDMilnor invariant An invariant of framed [[Surgery|surgery]] of a closed 6- or 14-dimensional framed manif
  3 KB (435 words) - 17:53, 20 January 2022
• Pontryagin invariant
  $#C+1 = 51 : ~/encyclopedia/old_files/data/P073/P.0703770 Pontryagin invariant An invariant of framed constructions of surfaces with a given framing. Let $ ( M ^ {2
  4 KB (529 words) - 17:40, 5 April 2023
• Jones-Conway polynomial
  An invariant of oriented links. ...d group and constructs on it the Jones–Ocneanu trace, which essentially is invariant under Markov moves. This approach is strongly related to the first approach
  18 KB (2,713 words) - 05:14, 15 February 2024
• Artin root numbers
  ...td></tr><tr><td valign="top">[a9]</td> <td valign="top"> J-P. Serre, "L'invariant de Witt de la forme $\operatorname { Tr } ( x ^ { 2 } )$" ''Comment. Math.
  12 KB (1,811 words) - 17:46, 1 July 2020
• Quadratic form
  an invariant of the class. the problem of equivalence is solved by means of the [[Hasse invariant|Hasse invariant]].
  32 KB (4,863 words) - 08:08, 12 August 2022