Phu, Hoang Xuan Outer \(\Gamma \)-convexity in vector spaces. (English) Zbl 1149.52002 Numer. Funct. Anal. Optim. 29, No. 7-8, 835-854 (2008). MSC: 52A01 52A30 52A41 49K27 90C26 PDFBibTeX XMLCite \textit{H. X. Phu}, Numer. Funct. Anal. Optim. 29, No. 7--8, 835--854 (2008; Zbl 1149.52002) Full Text: DOI
Phu, Hoang Xuan Approximate fixed-point theorems for discontinuous mappings. (English) Zbl 1076.47046 Numer. Funct. Anal. Optimization 25, No. 1-2, 119-136 (2004). Reviewer: Ioan A. Rus (Cluj-Napoca) MSC: 47H10 54H25 PDFBibTeX XMLCite \textit{H. X. Phu}, Numer. Funct. Anal. Optim. 25, No. 1--2, 119--136 (2004; Zbl 1076.47046) Full Text: DOI
Hoang Xuan Phu Some geometrical properties of outer \(\gamma\)-convex sets. (English) Zbl 1026.52002 Numer. Funct. Anal. Optimization 24, No. 3-4, 303-309 (2003). MSC: 52A01 PDFBibTeX XMLCite \textit{Hoang Xuan Phu}, Numer. Funct. Anal. Optim. 24, No. 3--4, 303--309 (2003; Zbl 1026.52002) Full Text: DOI
Hoang Xuan Phu Rough convergence in infinite dimensional normed spaces. (English) Zbl 1029.46005 Numer. Funct. Anal. Optimization 24, No. 3-4, 285-301 (2003). MSC: 46B03 PDFBibTeX XMLCite \textit{Hoang Xuan Phu}, Numer. Funct. Anal. Optim. 24, No. 3--4, 285--301 (2003; Zbl 1029.46005) Full Text: DOI
Phu, Hoang Xuan Rough continuity of linear operators. (English) Zbl 1017.47016 Numer. Funct. Anal. Optimization 23, No. 1-2, 139-146 (2002). MSC: 47A99 46B99 PDFBibTeX XMLCite \textit{H. X. Phu}, Numer. Funct. Anal. Optim. 23, No. 1--2, 139--146 (2002; Zbl 1017.47016) Full Text: DOI
Phu, Hoang Xuan Rough convergence in normed linear spaces. (English) Zbl 0986.46012 Numer. Funct. Anal. Optimization 22, No. 1-2, 199-222 (2001). Reviewer: H.König (Kiel) MSC: 46B20 46B15 PDFBibTeX XMLCite \textit{H. X. Phu}, Numer. Funct. Anal. Optim. 22, No. 1--2, 199--222 (2001; Zbl 0986.46012) Full Text: DOI
Hoang Xuan Phu; Bock, Hans Georg; Schlöder, Johannes P. The method of orienting curves and its application to manipulator trajectory planning. (English) Zbl 0881.70006 Numer. Funct. Anal. Optimization 18, No. 1-2, 213-225 (1997). MSC: 70B15 70Q05 49J15 PDFBibTeX XMLCite \textit{Hoang Xuan Phu} et al., Numer. Funct. Anal. Optim. 18, No. 1--2, 213--225 (1997; Zbl 0881.70006) Full Text: DOI
Phu, H. X.; Hoffmann, A. Essential supremum and supremum of summable functions. (English) Zbl 0877.49013 Numer. Funct. Anal. Optimization 17, No. 1-2, 167-180 (1996). MSC: 49J45 90C48 26B25 49J10 90C30 PDFBibTeX XMLCite \textit{H. X. Phu} and \textit{A. Hoffmann}, Numer. Funct. Anal. Optim. 17, No. 1--2, 167--180 (1996; Zbl 0877.49013) Full Text: DOI
Phú, H. X.; Định, N. Some remarks on the method of oriented curves. (English) Zbl 1022.49504 Numer. Funct. Anal. Optimization 16, No. 5-6, 755-763 (1995). MSC: 49K15 49M05 PDFBibTeX XMLCite \textit{H. X. Phú} and \textit{N. Định}, Numer. Funct. Anal. Optim. 16, No. 5--6, 755--763 (1995; Zbl 1022.49504) Full Text: DOI
Phu, H. X. Representation of bounded convex sets by rational convex hull of its gamma-extreme points. (English) Zbl 0817.52008 Numer. Funct. Anal. Optimization 15, No. 7-8, 915-920 (1994). Reviewer: J.-E.Martínez-Legaz (Barcelona) MSC: 52A20 52A21 PDFBibTeX XMLCite \textit{H. X. Phu}, Numer. Funct. Anal. Optim. 15, No. 7--8, 915--920 (1994; Zbl 0817.52008) Full Text: DOI
Phú, H. X. Method of orienting curves for solving optimal control problems with state constraints. (English) Zbl 0766.49016 Numer. Funct. Anal. Optimization 12, No. 1-2, 173-211 (1991). Reviewer: H.X.Phu (Hanoi) MSC: 49K15 90B05 90C99 49M05 PDFBibTeX XMLCite \textit{H. X. Phú}, Numer. Funct. Anal. Optim. 12, No. 1--2, 173--211 (1991; Zbl 0766.49016) Full Text: DOI