Yan, Yue; Coca, D.; Barbu, V. Internal optimal controller synthesis for Navier-Stokes equations. (English) Zbl 1165.35433 Numer. Funct. Anal. Optim. 29, No. 1-2, 225-242 (2008). MSC: 35Q30 93D15 93C20 76D55 76D05 PDFBibTeX XMLCite \textit{Y. Yan} et al., Numer. Funct. Anal. Optim. 29, No. 1--2, 225--242 (2008; Zbl 1165.35433) Full Text: DOI
Barbu, V.; Coca, D.; Yan, Yue Stabilizing semilinear parabolic equations. (English) Zbl 1082.93006 Numer. Funct. Anal. Optimization 26, No. 4-5, 449-480 (2005). Reviewer: Gheorghe Aniculăesei (Iaşi) MSC: 93B15 35B35 35B40 35K55 PDFBibTeX XMLCite \textit{V. Barbu} et al., Numer. Funct. Anal. Optim. 26, No. 4--5, 449--480 (2005; Zbl 1082.93006) Full Text: DOI
Barbu, V.; Wang, Gengsheng State constrained optimal control problems governed by semilinear equations. (English) Zbl 0966.49016 Numer. Funct. Anal. Optimization 21, No. 3-4, 411-424 (2000). Reviewer: Uldis Raitums (Riga) MSC: 49K20 PDFBibTeX XMLCite \textit{V. Barbu} and \textit{G. Wang}, Numer. Funct. Anal. Optim. 21, No. 3--4, 411--424 (2000; Zbl 0966.49016) Full Text: DOI
Barbu, Viorel; Neittaanmäki, Pekka; Niemistö, Antti A penalty method for the identification of nonlinear elliptic differential operator. (English) Zbl 0805.35145 Numer. Funct. Anal. Optimization 15, No. 5-6, 503-530 (1994). MSC: 35R30 47F05 65K10 65J15 PDFBibTeX XMLCite \textit{V. Barbu} et al., Numer. Funct. Anal. Optim. 15, No. 5--6, 503--530 (1994; Zbl 0805.35145) Full Text: DOI
Barbu, Viorel; Neittaanmäki, Pekka; Niemistö, Antti Approximating optimal control problems governed by variational inequalities. (English) Zbl 0812.49012 Numer. Funct. Anal. Optimization 15, No. 5-6, 489-502 (1994). Reviewer: O.Cârjá (Iaşi) MSC: 49J40 49M15 49K20 PDFBibTeX XMLCite \textit{V. Barbu} et al., Numer. Funct. Anal. Optim. 15, No. 5--6, 489--502 (1994; Zbl 0812.49012) Full Text: DOI Link
Barbu, Viorel; Stojanovic, Srdjan A variational approach to a free boundary problem arising in electrophotography. (English) Zbl 0810.35157 Numer. Funct. Anal. Optimization 14, No. 1-2, 1-14 (1993). Reviewer: A.Fasano (Firenze) MSC: 35R35 49J40 PDFBibTeX XMLCite \textit{V. Barbu} and \textit{S. Stojanovic}, Numer. Funct. Anal. Optim. 14, No. 1--2, 1--14 (1993; Zbl 0810.35157) Full Text: DOI Link
Barbu, Viorel; Korman, Philip Approximating optimal controls for elliptic obstacle problem by monotone iteration schemes. (English) Zbl 0756.65098 Numer. Funct. Anal. Optimization 12, No. 5-6, 429-442 (1991). Reviewer: W.Velte (Würzburg) MSC: 65K10 49M25 49J20 PDFBibTeX XMLCite \textit{V. Barbu} and \textit{P. Korman}, Numer. Funct. Anal. Optim. 12, No. 5--6, 429--442 (1991; Zbl 0756.65098) Full Text: DOI
Barbu, V.; Da Prato, Giuseppe A direct method for studying the dynamic programming equation for controlled diffusion processes in Hilbert spaces. (English) Zbl 0482.49013 Numer. Funct. Anal. Optimization 4, 23-43 (1981). MSC: 49K45 49L20 49J55 93C20 PDFBibTeX XMLCite \textit{V. Barbu} and \textit{G. Da Prato}, Numer. Funct. Anal. Optim. 4, 23--43 (1981; Zbl 0482.49013) Full Text: DOI
Barbu, V.; Da Prato, G. Local existence for a nonlinear operator equation arising in synthesis of optimal control. (English) Zbl 0445.49027 Numer. Funct. Anal. Optimization 1, 665-677 (1979). MSC: 49K27 93C10 49K15 47H05 47D03 PDFBibTeX XMLCite \textit{V. Barbu} and \textit{G. Da Prato}, Numer. Funct. Anal. Optim. 1, 665--677 (1979; Zbl 0445.49027) Full Text: DOI