Christiansen, T.; Sturm, K. T. Expectations and martingales in metric spaces. (English) Zbl 1216.60041 Stochastics 80, No. 1, 1-17 (2008). MSC: 60G48 60G44 PDFBibTeX XMLCite \textit{T. Christiansen} and \textit{K. T. Sturm}, Stochastics 80, No. 1, 1--17 (2008; Zbl 1216.60041) Full Text: DOI
Sturm, Karl-Theodor A semigroup approach to harmonic maps. (English) Zbl 1078.58010 Potential Anal. 23, No. 3, 225-277 (2005). Reviewer: Roman Urban (Wrocław) MSC: 58E20 53C43 60J45 PDFBibTeX XMLCite \textit{K.-T. Sturm}, Potential Anal. 23, No. 3, 225--277 (2005; Zbl 1078.58010) Full Text: DOI
Sturm, Karl-Theodor Nonlinear martingale theory for processes with values in metric spaces of nonpositive curvature. (English) Zbl 1017.60050 Ann. Probab. 30, No. 3, 1195-1222 (2002). Reviewer: Bo Markussen (Berlin) MSC: 60G42 58E20 60J05 60J45 31C25 PDFBibTeX XMLCite \textit{K.-T. Sturm}, Ann. Probab. 30, No. 3, 1195--1222 (2002; Zbl 1017.60050) Full Text: DOI