• Title of article

    An elementary proof that the length of X14+X24+X34+X44 is 4

  • Author/Authors

    Digen Zhang، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2004
  • Pages
    5
  • From page
    307
  • To page
    311
  • Abstract
    An elementary proof is given, to show that the quartic form X14+X24+X34+X44 cannot be written as a sum of three squares of real quadratic forms.
  • Journal title
    Journal of Pure and Applied Algebra
  • Serial Year
    2004
  • Journal title
    Journal of Pure and Applied Algebra
  • Record number

    818278

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=818278