Dual spaces and bilinear forms in supertropical linear algebra

Zur Izhakian, Manfred Knebusch, Louis Rowen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Continuing 4, this article investigates finer points of supertropical vector spaces, including dual bases and bilinear forms, with supertropical versions of standard classical results such as the Gram-Schmidt theorem and Cauchy-Schwartz inequality, and change of base. We also present the supertropical version of quadratic forms, and see how they correspond to symmetric supertropical bilinear forms.

Original languageEnglish
Pages (from-to)865-883
Number of pages19
JournalLinear and Multilinear Algebra
Volume60
Issue number7
DOIs
StatePublished - Jul 2012

Bibliographical note

Funding Information:
The work of the first and third authors has been supported by the Israel Science Foundation, grant 448/09. The second author was supported in part by the Gelbart Institute at Bar-Ilan University, the Minerva Foundation at Tel-Aviv University, the Mathematics Department of Bar-Ilan University, and the Emmy Noether Institute.

Funding

The work of the first and third authors has been supported by the Israel Science Foundation, grant 448/09. The second author was supported in part by the Gelbart Institute at Bar-Ilan University, the Minerva Foundation at Tel-Aviv University, the Mathematics Department of Bar-Ilan University, and the Emmy Noether Institute.

FundersFunder number
Emmy Noether Research Institute for Mathematics
Gelbart Institute at Bar-Ilan University
Department of Mathematics, Bar-Ilan University
Israel Science Foundation448/09
Tel Aviv University

    Keywords

    • bilinear form
    • change of base semirings
    • d-base
    • dual base
    • linear algebra
    • s-base
    • tropical algebra
    • vector space

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