Hoffmann, Karl-Heinz; Kubo, Masahiro; Yamazaki, Noriaki Optimal control problems for elliptic–Parabolic variational inequalities with time-Dependent constraints. (English) Zbl 1101.49005 Numer. Funct. Anal. Optimization 27, No. 3-4, 329-356 (2006). Reviewer: Uldis Raitums (Riga) MSC: 49J20 35M10 35K85 47J35 76S05 PDFBibTeX XMLCite \textit{K.-H. Hoffmann} et al., Numer. Funct. Anal. Optim. 27, No. 3--4, 329--356 (2006; Zbl 1101.49005) Full Text: DOI
Chen, Zhiming; Hoffmann, K.-H. Numerical solutions of an optimal control problem governed by a Ginzburg-Landau model in superconductivity. (English) Zbl 0915.65068 Numer. Funct. Anal. Optimization 19, No. 7-8, 737-757 (1998). Reviewer: Vicentiu D.Rădulescu (Craiova) MSC: 65K10 49M30 49M25 82D55 49J20 49M15 PDFBibTeX XMLCite \textit{Z. Chen} and \textit{K. H. Hoffmann}, Numer. Funct. Anal. Optim. 19, No. 7--8, 737--757 (1998; Zbl 0915.65068) Full Text: DOI
Hoffmann, K.-H.; Zou, Jun Finite element analysis on the Lawrence-Doniach model for layered superconductors. (English) Zbl 1114.65349 Numer. Funct. Anal. Optimization 18, No. 5-6, 567-589 (1997). MSC: 65M60 PDFBibTeX XMLCite \textit{K. H. Hoffmann} and \textit{J. Zou}, Numer. Funct. Anal. Optim. 18, No. 5--6, 567--589 (1997; Zbl 1114.65349) Full Text: DOI
Chen, Zhiming; Hoffmann, K.-H. Global classical solutions to a non-isothermal dynamical Ginzburg-Landau model in superconductivity. (English) Zbl 0904.35036 Numer. Funct. Anal. Optimization 18, No. 9-10, 901-920 (1997). Reviewer: S.Jimbo (Sapporo) MSC: 35K60 82D55 PDFBibTeX XMLCite \textit{Z. Chen} and \textit{K. H. Hoffmann}, Numer. Funct. Anal. Optim. 18, No. 9--10, 901--920 (1997; Zbl 0904.35036) Full Text: DOI
Chen, Zhiming; Hoffmann, K.-H. Optimal control of dynamical Ginzburg-Landau vortices in superconductivity. (English) Zbl 0857.49014 Numer. Funct. Anal. Optimization 17, No. 3-4, 241-258 (1996). MSC: 49K20 49J20 35K55 82D55 PDFBibTeX XMLCite \textit{Z. Chen} and \textit{K. H. Hoffmann}, Numer. Funct. Anal. Optim. 17, No. 3--4, 241--258 (1996; Zbl 0857.49014) Full Text: DOI
Colli, Pierluigi; Hoffmann, Karl-Heinz A nonlinear evolution problem describing multi-component phase changes with dissipation. (English) Zbl 0828.35134 Numer. Funct. Anal. Optimization 14, No. 3-4, 275-297 (1993). MSC: 35Q72 80A22 35R35 93C10 PDFBibTeX XMLCite \textit{P. Colli} and \textit{K.-H. Hoffmann}, Numer. Funct. Anal. Optim. 14, No. 3--4, 275--297 (1993; Zbl 0828.35134) Full Text: DOI
Hoffmann, K.-H.; Jiang, L. Optimal control of a phase field model for solidification. (English) Zbl 0724.49003 Numer. Funct. Anal. Optimization 13, No. 1-2, 11-27 (1992). Reviewer: K.-H.Hoffmann MSC: 49J20 49K20 35K20 PDFBibTeX XMLCite \textit{K. H. Hoffmann} and \textit{L. Jiang}, Numer. Funct. Anal. Optim. 13, No. 1--2, 11--27 (1992; Zbl 0724.49003) Full Text: DOI
Hoffmann, K.-H.; Zou, J. Parallel algorithms of Schwarz variant for variational inequalities. (English) Zbl 0759.65039 Numer. Funct. Anal. Optimization 13, No. 5-6, 449-462 (1992). Reviewer: K.-H.Hoffmann (Augsburg) MSC: 65K10 65Y05 49J40 49M27 PDFBibTeX XMLCite \textit{K. H. Hoffmann} and \textit{J. Zou}, Numer. Funct. Anal. Optim. 13, No. 5--6, 449--462 (1992; Zbl 0759.65039) Full Text: DOI
Hoffmann, K.-H.; Sprekels, Jürgen On the identification of coefficients of elliptic problems by asymptotic regularization. (English) Zbl 0576.65121 Numer. Funct. Anal. Optimization 7, 157-177 (1984). Reviewer: V.Arnăutu (Iaşi) MSC: 65Z05 65N30 35R30 35J25 PDFBibTeX XMLCite \textit{K. H. Hoffmann} and \textit{J. Sprekels}, Numer. Funct. Anal. Optim. 7, 157--177 (1984; Zbl 0576.65121) Full Text: DOI
Hoffmann, K.-H.; Sprekels, J. Real-time control of the free boundary in a two-phase Stefan problem. (English) Zbl 0502.49005 Numer. Funct. Anal. Optimization 5, 47-76 (1982). MSC: 49J20 35R35 47H10 58C30 55M20 80A20 65K10 PDFBibTeX XMLCite \textit{K. H. Hoffmann} and \textit{J. Sprekels}, Numer. Funct. Anal. Optim. 5, 47--76 (1982; Zbl 0502.49005) Full Text: DOI
Hoffmann, Karl-Heinz Monotonie bei Zweiphasen-Stefan-Problemen. (German) Zbl 0408.35082 Numer. Funct. Anal. Optimization 1, 79-112 (1979). MSC: 35R35 35K05 35K20 65M99 65N99 65Z05 PDFBibTeX XMLCite \textit{K.-H. Hoffmann}, Numer. Funct. Anal. Optim. 1, 79--112 (1979; Zbl 0408.35082) Full Text: DOI