Kaschek, Daniel; Neumaier, Nikolai; Waldmann, Stefan Complete positivity of Rieffel’s deformation quantization by actions of \(\mathbb R^d\). (English) Zbl 1172.53055 J. Noncommut. Geom. 3, No. 3, 361-375 (2009). Reviewer: Benjamin Cahen (Metz) MSC: 53D55 46L87 81R60 46L65 PDF BibTeX XML Cite \textit{D. Kaschek} et al., J. Noncommut. Geom. 3, No. 3, 361--375 (2009; Zbl 1172.53055) Full Text: DOI arXiv OpenURL
Bursztyn, Henrique; Waldmann, Stefan Hermitian star products are completely positive deformations. (English) Zbl 1081.53078 Lett. Math. Phys. 72, No. 2, 143-152 (2005). Reviewer: Benjamin Cahen (Metz) MSC: 53D55 PDF BibTeX XML Cite \textit{H. Bursztyn} and \textit{S. Waldmann}, Lett. Math. Phys. 72, No. 2, 143--152 (2005; Zbl 1081.53078) Full Text: DOI arXiv OpenURL