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On rank 4 quadratic spaces with given Arf and Witt invariants

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Publication:1087902
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DOI10.1007/BF01457069zbMath0612.10014OpenAlexW1995949871MaRDI QIDQ1087902

R. Sridharan, Raman Parimala, Max-Albert Knus

Publication date: 1986

Published in: Mathematische Annalen (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/164094

zbMATH Keywords

Clifford algebraArf invariantBrauer groupquadratic spaceWitt invariant


Mathematics Subject Classification ID

Quadratic forms over general fields (11E04) Clifford algebras, spinors (15A66) Theory of modules and ideals in commutative rings (13C99)


Related Items

Quadratic forms and linear algebraic groups. Abstracts from the workshop held June 16--22, 2013., Pfaffians and quadratic forms, Fibrations in complete intersections of quadrics, Clifford algebras, derived categories, and rationality problems, Surjectivity of the total Clifford invariant and Brauer dimension



Cites Work

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  • Quadratic spaces with trivial Arf invariant
  • Indecomposable rank 4 quadratic spaces of non-trivial discriminant over polynomial rings
  • Composition of binary quadratic forms
  • Vector bundles over affine surfaces
  • Derivations in Azumaya algebras
  • Separable algebras over commutative rings
  • Forms over rings with involution
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