Habilitation and PhD Theses

Habilitation and PhD theses completed at AM1 can be found here.



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Author(s) Title Source Links
Freie Randwertprobleme. In G. Meinardus (Eds.) Approximation in Theorie und Praxis (1979) 25–56. [BibTex]


Author(s) Title Source Links
Comparison of Several Methods for Parabolic Control Problems. In K. H. Well (Eds.) 2nd IFAC Workshop on control Application of Nonlinear Programming and Optimization, Oberpfaffenhofen, Sep. 15-17, 1980 (1980) 177–185. [BibTex]


Author(s) Title Source Links
Das inverse Stefan-Problem - Ein Vergleich verschiedener Fragestellungen. In J. Albrecht and L. Collatz and K.-H. Hoffmann (Eds.) Numerische Behandlung freier Randwertaufgaben (1982) 145–160. [BibTex]


Author(s) Title Source Links
Stability Theorems for General Free Boundary Problems of the Stefan Type and Applications. In R. Gorenflo and K.-H. Hoffmann (Eds.) Applied Nonlinear Functional Analysis (1983) 95–116. [BibTex]
Regularizing the Cauchy Problem for the Heat Equation by Sign Restrictions. In G. Hämmerlin and K. H. Hoffmann (Eds.) Improperly Posed Problems and Their Numerical Treatment (1983) 165–177. [BibTex]
Fragen der Rekonstruktion und der Steuerung bei Stefan Problemen und ihre Behandlung über lineare Ersatzaufgaben. (1983) [BibTex]


Author(s) Title Source Links
Regularization of the Cauchy Problem for the Heat Equation by Norm Bounds. Applicable Analysis. (1984) 17 295–312. [BibTex]


Author(s) Title Source Links
Salt Leaching as a Free Boundary Problem. In A. Bossavit and A. Damlamian and M. Fremond (Eds.) Free Boundary Problems: Application and Theory Vol.III (1985) 263–271. [BibTex]
Control of Stefan Problems by Means of Linear-quadratic Defect Minimization. Numerische Mathematik. (1985) 46 429–443. [BibTex]


Author(s) Title Source Links
A Free Boundary Problem arising from the Leaching of Saline Soils. SIAM Journal on Mathematical Analysis. (1986) 17 610–625. [BibTex]
Global Existence in a General Stefan–like Problem. Journal of Mathematical Analysis and Applications. (1986) 115 543–559. [BibTex]


Author(s) Title Source Links
Finite-Element Simulation of Saturated-Unsaturated Flow through Porous Media. In P. Deuflhard and B. Engquist (Eds.) Large Scale Scientific Computing (1987) 83–93. [BibTex]
Stability Estimates for Ill-Posed Cauchy Problems for Parabolic Equations. In H.W. Engl and C.W. Groetsch (Eds.) Inverse and Ill-Posed Problems (1987) 351–368. [BibTex]
Stabilization of Ill-Posed Cauchy Problems for Parabolic Equations. Annali di Matematica Pura ed Applicata (IV). (1987) 149 393–409. [BibTex]


Author(s) Title Source Links
The Optimal Stability Estimate for some III-Posed Cauchy Problems for a Parabolic Equation. Mathematical Methods in the Applied Sciences. (1988) 10 575–583. [BibTex]
W. (1988) [BibTex]


Author(s) Title Source Links
Solute Transport through Porous Media with Slow Adsorption. In K.-H. Hoffmann and J. Sprekels (Eds.) Free Boundary Problems: Theory and Applications, Vol. I (1990) 375–388. [BibTex]
Enhanced Leaching of Organic Chemicals in Soils due to Binding to Dissolved Organic Carbon?. In F. Arendt and M. Hinsenveld and W.J. van den Brink (Eds.) Contaminated Soil '90 (1990) 323–329. [BibTex]


Author(s) Title Source Links
Solute Transport in Porous Media with Equilibrium and Non–equilibrium Multiple Site Adsorption: Travelling Waves. Journal für die reine und angewandte Mathematik (Crelles Journal). (1991) 415 1–49. [BibTex]
Adaptive methods for parameter identification in ground water hydrology. Advances in Water Resources. (1991) 14 (5) 220–239. [doi] [www] [BibTex]
Order of Convergence Estimates for Finite Element Approximations of Degenerate Parabolic Systems Modelling Reactive Solute Transport in Porous Media. 13th IMACS World Congress on Computation and Applied Mathematics, Dublin, 22-26 July 1991 (1991) 611–612. [www] [BibTex]
Mathematische Modelle für Transport und Sorption gelöster Stoffe in porösen Medien. (1991) 36 [BibTex]
Das Finite-Element-Programm FELIPE: Programmbeschreibung und Benutzerhandbuch Version 1.2. (1991) [BibTex]
Travelling Wave Solutions of some Systems of Nonlinear Diffusion Equations with Integral Term. Zeitschrift für Analysis und ihre Anwendungen. (1991) 10 503–512. [BibTex]
Dissolved Organic Matter as Carrier for Exogeneous Organic Chemicals in Soils. Advances in Soil Organic Matter Research: The Impact on Agriculture and the Environment (1991) [BibTex]


Author(s) Title Source Links
Travelling waves in the transport of reactive solutes through porous media: Adsorption and binary ion exchange — Part 1. Transport in Porous Media. (1992) 8 (3) 167–194. [www] [BibTex]
Travelling waves in the transport of reactive solutes through porous media: Adsorption and binary ion exchange — Part 2. Transport in Porous Media. (1992) 8 (3) 199–225. [doi] [www] [BibTex]
A transport model with micro- and macro-structure. Journal of Differential Equations. (1992) 98 (2) 328–354. [doi] [www] [BibTex]
Finite-Element-Approximation of Solute Transport in Porous Media with General Adsorption Processes. In S. T. Xiao (Eds.) Flow and Transport in Porous Media (1992) 223–292. [BibTex]
Analytische und Numerische Behandlung des Oxidationsprozesses von Silizium. (1992) [BibTex]

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