Operator-Theoretic Positivstellensätze
C.-G. Ambrozie
Romanian Academy, Bucharest, RomaniaF.-H. Vasilescu
Université Lille I, Villeneuve D'ascq, France
![Operator-Theoretic Positivstellensätze cover](/_next/image?url=https%3A%2F%2Fcontent.ems.press%2Fassets%2Fpublic%2Fimages%2Fserial-issues%2Fcover-zaa-volume-22-issue-2.png&w=3840&q=90)
Abstract
We study the structure of positive polynomials with coefficients in an operator algebra as a non-commutative infinite-dimensional analogue of Hilbert's 17-th problem.
Cite this article
C.-G. Ambrozie, F.-H. Vasilescu, Operator-Theoretic Positivstellensätze. Z. Anal. Anwend. 22 (2003), no. 2, pp. 299–314
DOI 10.4171/ZAA/1147