Skip to main content
SpringerLink
Log in

Positivbereiche in kommutativen ringen

  • Published:
Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Literatur

  1. ?. Artin, Über die Zerlegung definiter Punktionen in Quadrate. Abh. math. Sem. Univ. Hamburg5, 100–105 (1927).

    Article  MathSciNet  Google Scholar 

  2. A. Dress, The weak local global principle in algebraicK-Theory. Communications in Algebra3, 615–661 (1975).

    Article  MathSciNet  MATH  Google Scholar 

  3. D. W. Dubois, A nullstellensatz for ordered fields. Ark. Mat.8, 111–114 (1969).

    Article  MathSciNet  Google Scholar 

  4. M. Knebusch, Symmetric bilinear forms over algebraic varieties. Lecture Notes, Conference on Quadratic Forms 1976. Queen’s Papers pure appl. math.46, 103–283 (1977).

    MathSciNet  Google Scholar 

  5. M. Knebusch, On the local theory of signatures and reduced quadratic forms. Abh. math. Sem. Univ. Hamburg51, 149–195 (1981).

    Article  MathSciNet  MATH  Google Scholar 

  6. S. Lang, Algebra p. 278. Reading: Addison-Wesley, Publ. Co. Inc. 1975.

    Google Scholar 

  7. A. Prestel, Quadratische Semiordnungen und quadratische Formen. Math. Z.133, 319–342 (1973).

    Article  MathSciNet  MATH  Google Scholar 

  8. A. Prestel, Lectures on formally real fields. Inst. Math. Pure Appl. Rio de Janeiro 1975.

  9. G. Stengle, A nullstellensatz and a positivstellensatz in semialgebraic geometry. Math. Ann.207, 87–97 (1974).

    Article  MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Mathematisches Institut der Universität, Einstein-Str. 62, D -4400, Münster

    Ludwig Von Bröcker

Authors
  1. Ludwig Von Bröcker
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Von Bröcker, L. Positivbereiche in kommutativen ringen. Abh.Math.Semin.Univ.Hambg. 52, 170–178 (1982). https://doi.org/10.1007/BF02941874

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02941874

Search

Navigation