Universal quadratic form

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2020 Mathematics Subject Classification: Primary: 15A63 Secondary: 11E04 [MSN][ZBL]

A quadratic form over a field $F$ which represents each element of $F$.


  • Tsit Yuen Lam, Introduction to Quadratic Forms over Fields, Graduate Studies in Mathematics 67, American Mathematical Society (2005) ISBN 0-8218-1095-2 Zbl 1068.11023 MR2104929
  • A. R. Rajwade, Squares, London Mathematical Society Lecture Note Series 171 Cambridge University Press (1993) ISBN 0-521-42668-5 Zbl 0785.11022
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