Gundolf Haase - Publications
Books
-
- Craig C. Douglas, Gundolf Haase, and Ulrich Langer:
"A Tutorial on Elliptic PDE Solvers and Their Parallelization",
SIAM Series Software, Environments, and Tools, 2003, ISBN
0-89871-541-5 (
html ).
-

- G.Haase: "Parallelisierung numerischer
Algorithmen für partielle Differentialgleichungen",
Teubner, 1999, ISBN 3-519-02970-7.
Chapters in Books
-
- G.Haase, U.Langer: "Multigrid Methods: From
Geometrical to Algebraic Versions", A. Bourlioux and M.J.
Gander (eds.) "Modern Methods in Scientific Computing and
Applications", Kluwer Academic Press, Dordrecht, 2002, pages
103-154.
In Progress
- C. Douglas, H. Lee , G. Haase, M. Liebmann, V. Calo , N. Collier:
"Parallel Algebraic Multigrid Method With GP-GPU Hardware
Acceleration", Journal
of Computational and Applied Mathematics, submitted
- C. Douglas, L.Deng, Y. Efendiev, G. Haase, A. Kucher, R. Lodder:
"Real-Time Multiscale Detection of Defective Pills During
Manufacturing", Computing (2011); submitted
- R. Gamillscheg, W. von der Linden, G. Haase:
"A new approach to compute groundstate properties and Greens
functions of strongly correlated many-body systems", Computer
Physics Communications, submitted
- C. Douglas, L.Deng, G. Haase, H. Lee, R. Lodder:
"Data-Driven Pill Monitoring", Elsevier, Procedia Computer
Science (2010); submitted
Refereed Publications
-

- G. Haase, M. Schanz, S. Vafai: "Computing Boundary Element Method’s Matrices on GPU", Proceedings of the 8th International Conference on Large-Scale Scientific Computations, Sozopol, 2011, 8 pages, to appear
-

- B. Rocha, F. Campos, R. Amorim, G. Plank, R. Weber dos Santos,
M. Liebmann, G. Haase: "Accelerating cardiac excitation spread
simulations using graphics processing units", Wiley: Journal
on Concurrency and Computation: Practice and Experience (23) pp. 708-720, 2011;
online
-

- G. Haase, A. Kucher: "GPU accelerated optimization for large data sets from pill identification", in
Proceedings of the 10th IASTED International Conference on Parallel and
Distributed Computing and Networks 2011 (PDCN 2011); ACTA Press; 8
pages, 2011, accepted
-

- L. Mitchell, M. Bishop, E. Hötzl, A. Neic, M.
Liebmann, G. Haase, G. Plank: "Modeling Cardiac Electrophysiology
at the Organ Level in the Peta FLOPS Computing Age", AIP
Conference Proceedings 2010, T. Simos, G. Psihoyios and Ch. Tsitouras
(Eds); Vol 1281(1);
pp. 407-410; 2010
-

- B. Rocha, F. Kickinger, A. Prassl, G. Haase, E. Vigmond, R.
Weber dos Santos, S. Zaglmayr, G. Plank: "A macro finite element
formulation for cardiac electrophysiology simulations using hybrid
unstructured grids", IEEE Trans Biomed Eng.; 58(4); pp. 1055-1065, 2011
-

- C. Douglas, L.Deng, Y. Efendiev, G. Haase, A. Kucher, R. Lodder,
G. Qin:
"Advantages of Multiscale Detection of Defective Pills During
Manufacturing", W. Zhang et al. (Eds.) HPCA 2010, LNCS 5938, pp.
8--16. Springer, Heidelberg (2010)
-

- G. Haase, M. Liebmann, C. Douglas, G. Plank:
"A Parallel Algebraic Multigrid Solver on Graphical Processing Unit",
W. Zhang et al. (Eds.) HPCA 2010, LNCS 5938, pp. 38--47. Springer,
Heidelberg (2010)


- G. Haase, M. Liebmann, G. Plank, C. Douglas: "Parallel
Algebraic Multigrid on General Purpose GPUs ", J. Volkert et
al. (Eds.), 3rd Austrian Grid Symposium, pp. 28-37., OCG, 2010


- B. Rocha, F. Campos, G. Plank, R. Weber dos Santos, M. Liebmann,
G. Haase: "Simulations of the Electrical Activity in the Heart with
Graphic Processing Units", in refereed proceeings of PPAM 2009
8th International Conference On Parallel Processing And Applied
Mathematics, Krakow, 2009


- B. Wagner, A. Dinges, P. Mueller, G. Haase: "Parallel Volume
Image Segmentation with Watershed Transformation", in "Image
Analysis", , A.-B. Salberg, J. Y. Hardeberg and R. Jenssen,
Teubner Heidelberg, LNCS Vol. 5575, pp. 420-429 (2009)


- R. Amorim, G. Haase, M. Liebmann, R. Weber dos Santos:
"Comparing CUDA and OpenGL implementations for a Jacobi iteration", Proceedings
of the 2009 High Performance Computing & Simulation (HPCS'09)
Conference, Waleed W. Smari, IEEE, New Jersey, Logos Verlag Berlin,
pp. 22-32 (2009)


- Deng Li, C. C. Douglas, G. Haase, T. Kako, and I. Hagiwara:
"Application for a novel perturbation expansion method",
Journal of Algorithms and Computational Technology, Vol
3, No 1, pp. 1-22 (2009)


- G. Haase and M. Liebmann and Gernot Plank: "A
Hilbert-Order Multiplication Scheme for Unstructured Sparse Matrices",
Int. J. of Parallel, Emergent and Distributed Systems, Vol
22, No 4, pp. 213-220 (2007)
-


- G. Plank, M. Liebmann, R. Weber dos Santos, E.J. Vigmond
and G. Haase: "Algebraic Multigrid Preconditioner for the
Cardiac Bidomain Model", IEEE Transactions on Biomedical
Engineering, Vol
54, Issue 4, pp. 585-596 (2007).
-


- S.L. Keeling and G. Haase: "Geometric Multigrid
for High--Order Regularizations of Early Vision Problems",
Applied Mathematics And Computation, Vol 184,
pp. 536-556 (2007).
-


- G. Haase and E. Lindner and C. Rathberger:
"Fast Shape Design for Industrial Components", in Progress
in Industrial Mathematics at ECMI 2004, ed. A. Di Bucchianica, R.
Mattheij, M. Peletier, pp. 361-365 (Springer, 2006)
-


- G. Haase, S. Reitzinger: "Cache Issues of
Algebraic Multigrid Methods for linear Systems with Multiple Right-Hand
Sides", SIAM Journal on Scientific Computing, Vol
27/1, pp. 1-18 (2005).
-


- C. Douglas, G. Haase, M. Iskandarani, S. Reitzinger:
"Special solution strategies inside a Spectral Element Ocean Model",
Mathematical Models and Methods in Applied Sciences., Vol. 13, No 3
(2003), pp. 309-322.
-


- C. Douglas, G. Haase: "Algebraic multigrid and
Schur complement strategies within a multilayer spectral element ocean
model", Contemporary Math., 329 (2003), pp. 89-98.
-


- C. Douglas, G. Haase, M. Iskandarani: "An
acceleration procedure for the spectral element ocean model formulation
of the shallow water equations", in Fluid Flow and
Transport in Porous Media: Mathematical and Numerical Treatment, Z.
Chen and R. E. Ewing (eds.), American Mathematical Society, Providence,
pp. 153-158 (2002). ps , pdf
-


- G. Haase, M. Kuhn, S. Reitzinger: "Parallel AMG
on Distributed Memory Computers", SIAM Journal on
Scientific Computing, Vol
24/2, pp. 410-427 (2002).
-


- C. Douglas, G. Haase, M. Iskandarani: "An
Additive Schwarz Preconditioner for the Spectral Element Ocean
Modelling Formulation of the Shallow Water Equations",
Electronic Transactions on Numerical Analysis ( ETNA), Vol 15,
pp 18-28 (2003)
-


- G. Haase, M. Kuhn, U. Langer: "Parallel
Multigrid 3D Maxwell Solvers", Parallel Computing, Vol
27/6, pp 761-775 (2001)
-


- G. Haase, U. Langer, S. Reitzinger, J. Schöberl :
"Algebraic Multigrid Methods based on Element
Preconditioning", International Journal of Computer
Mathematics, Vol. 78, No. 4 (2001), pp. 575-598
-


- G. Haase, U. Langer, E. Lindner, W. Mühlhuber :
"Optimal sizing of industrial structural mechanics problems using
automatic differentiation", In "Automatic Differentiation
of Algorithms: From Simulation to Optimization" (ed. by G. Corliss, C.
Faure, A. Griewank, L. Hascoet, U. Naumann), Springer, New York (2002),
pp. 181-188. 70k
-


- G. Haase, U. Langer, E. Lindner, W. Mühlhuber :
"Optimal sizing using automatic differentiation", In
Proceedings of Fast
Solution of Discretized Optimization Problems, (ed.
by K.-H. Hoffmann, R.H.W. Hoppe, V. Schulz), WIAS Berlin, Germany, May
8 - 12, 2000, pp. 120-138, Birkhäuser, 2001, 285k
-


- C. C. Douglas, G. Haase, J. Hu, W. Karl, M. Kowarschik, U.
Rüde, C. Weiss: "Portable memory hierarchy
techniques for PDE solvers, Part II", SIAM News 33/6
(2000), pp. 1, 10-11, 16,
60k
-


- C. C. Douglas, G. Haase, J. Hu, W. Karl, M. Kowarschik, U.
Rüde, C. Weiss: "Portable memory hierarchy
techniques for PDE solvers, Part I", SIAM News 33/5 (2000),
pp. 1, 8-9, 53k
-


- G. Haase, M. Kuhn, U. Langer: "Parallel
Multigrid 3D Maxwell Solvers", Proceedings of 12th
International Conference on Domain Decomposition Methods (ed.
by T. Chan, T. Kako, H. Kawarada and O. Pironneau), Chiba University;
Japan, October 25 - 29, 1999, pp. 353-364, 2001, 560k
-


- G. Haase: "A parallel AMG for overlapping and
non-overlapping domain decomposition", Electronic
Transactions on Numerical Analysis (
ETNA), Vol.
10 , Feb. 2000, pp. 41-55.
-


- G. Haase, E. Lindner: "Advanced Solving
Techniques in Optimization of Machine Components" , Computer
Assisted Mechanics and Engineering Sciences, Vol. 6, No. 3, pp.337-343,
1999, 180k
-


- G. Haase, M. Kuhn: "Preprocessing in 2D FE/BE
Domain Decomposition Methods" , Computing and Visualization
in Science, Vol.
2, No. 1, Nov. 1999, pp. 25-35.
-


- G. Haase, E. Lindner: "Advanced Iterative
Solvers and Optimal Design of
Industrial Machine Components" , in Progress in
Industrial Mathematics at ECMI 98 , Editors: L. Arkeryd, J.
Bergh, P. Brenner and R. Petterson, pp. 247-254, Teubner Stuttgart,
1999 380k
-


- G. Haase: "Parallel Incomplete Cholesky
Preconditioners based on the Non-Overlapping Data Distribution" ,
Parallel Computing, Vol. 24, No. 11, pp. 1685-1703 , 1998, 155k
-


- G. Haase, S.V.Nepomnyaschikh: "Explicit
Extension Operators on Hierarchical Grids" , East-West J.
Numer. Math., Vol. 5, No. 4, 1997, pp. 231-248, 129k
-


- G. Haase: "New Matrix-by-Vector Multiplications
Based on a Nonoverlapping Domain Decomposition Data Distribution"
in Lecture Notes in Computer Sciences, 1300, Springer, 1997, pp.
726-733, 41k
-
- G. Haase: "Multilevel Extension Techniques in
Domain Decomposition Preconditioners" in
Bjørstad/Espedal/Keyes "Domain Decomposition Methods in
Sciences and Engineering", Domain Decomposition Press, Bergen, 1998,
pp. 359-367, 73k
-
- G.Haase: "Hierarchical Extension Operators plus
Smoothing in Domain Decomposition Preconditioners", Applied
Numerical Mathematics (APNUM) 23(3), May 97, pp. 327-346, 148k
-
- G.Haase, U.Langer: "The efficient parallel
solution of PDEs", Computers Math. Applic. (31), 1996,
pp.151-159, 487k
-
- G.Haase, U.Langer, A.Meyer, S.V.Nepomnyaschikh:
"Hierarchical Extension Operators and Local Multigrid Methods in Domain
Decomposition Preconditioners", East-West J. Numer. Math.
(2)3, 1994, pp.179-193,
127k
-
- G. Haase, U.Langer: "Domain Decomposition vs.
Adaptivity", Krízek/Neittaanmäki/Stenberg
: "Finite Element Methods : Fifty Years of the Courant
Element", Marcel Dekker, 1994,
121k
-
- G.Haase, U.Langer, A.Meyer: "Domain
Decomposition Preconditioners with inexact Subdomain solvers",
J. of Num. Lin. Alg. with Appl. (1), 1992, pp.27-42,
-

- G.Haase, U.Langer: "The non-overlapping domain
decomposition multiplicative Schwarz method", Int. J. of
Comp. Math. (44), 1992, pp.223-242,
121k
-

- G.Haase, U.Langer, A.Meyer: "The Approximate
Dirichlet Decomposition Method. Part I :
An Algebraic Approach", Computing (47), 1991, pp. 137-151,
-

- G.Haase, U.Langer, A.Meyer: "The Approximate
Dirichlet Decomposition Method. Part II :
Application to 2nd-order Elliptic B.V.P.s", Computing (47),
1991, pp. 153-167,
PhD Thesis / Habilitation
-
- G.Haase: "Parallele Algorithmen für
Partielle Differentialgleichungen, Habilitation, Johannes
Kepler University of Linz, Faculty of Technical and Natural Sciences,
April 2001
-

- G.Haase: "Die nichtüberlappende
Gebietszerlegungsmethode zur Parallelisierung und Vorkonditionierung
iterativer Verfahren", PhD Thesis, TU Chemnitz-Zwickau,
Faculty of Mathematics and Natural Sciences, 1993, 372k
Proceedings
-

- M. Liebmann, C. Douglas, G. Haase, Z. Horvath:
"Large Scale Simulations of the Euler Equations on GPU Clusters",
Proceedings of the Ninth International Symposium on
Distributed Computing and Applications to Business Engineering and Science (DCABES),
p. 50-54, 2010
-

- R. Gamillscheg, G. Haase, W. von der Linden:
"A numerical projection technique for large-scale eigenvalue problems ",
Computational Physics, 2010
-

- G. Haase, E. Lindner, C. Rathberger:
"Optimal sizing and shape optimization in structural mechanics "
in Proceedings of the Int.Conf. on Nonlinear Analysis and Optimization
Problems in Budva, Montenegro, Oct. 6-10, 2008; Edt. M. Jacimovic;
Montenegrian Academy of Scieces and Arts, Podgorica, p.135-156, 2009
-

- C. Douglas, G. Haase, T. Hannel, D. Link, R. Lodder, L.Deng:
"A Prototype for Detecting Defective Pills during Manufacturing "
in Proceedings DCABES 2009, 2009
-

- C. C. Douglas, R. A. Lodder, J. D. Beezley, J. Mandel, R.
E. Ewing,
Y. Efendiev, G. Qin, M. Iskandarani, J. Coen, A. Vodacek, M. Kritz, and
G. Haase,
"DDDAS approaches to wildland fire modeling and contaminant
tracking"
in Proceedings of the 2006 Winter Simulation Conference,
L. F. Perrone, F. P. Wieland, J. Liu, B. G. Lawson, D. M. Nicol, and
R. P. Fujimoto (eds.),
INFORMS, 2006, pp. 2117-2124.
-

- C. C. Douglas, Deng Li, R. A. Lodder, J. D. Beezley, J.
Mandel,
R. E. Ewing, Y. Efendiev, G. Qin, M. Iskandarani, J. Coen, A. Vodacek,
M. Kritz, and G. Haase: "DDDAS
approaches to wildland fire modeling",
in Trends in Computational
Structural Mechanics, Proceedings of the First
China-Japan-Korea-Joint Conference on
Numerical Mathematics, August 3-7, 2006, Sapporo, Japan; H.
Okamoto, D. Sheen, Z. Shi, T. Ozawa, T. Sakajo, and Y. Chen
(eds.),
Hokkaido University Mathematics Report 112, 2006, pp. 23-26. 390k
-

- G. Haase, U. Langer, E. Lindner, W. Mühlhuber:
"Various methods for structural optimization problems with industrial
applications" , in Trends in Computational
Structural Mechanics, W.A.Wall, K.-U.Bletzinger, K.
Schweizerhof (Eds.), CIMNE, May 2001, p. 623-636, 390k
-

- G. Haase, M. Kuhn, U. Langer, S. Reitzinger, J.
Schöberl: Parallel Maxwell Solvers. Proceedings of the 3rd
International Workshop on "Scientific Computing in Electrical
Engineering" (ed. by U. van Rienen, M. Günther and
D. Hecht), Warnemünde, Germany, August 20-22, 2000. In Lecture
Notes in Computational Science and Engineering Vol. 18, pp. 71-78,
Springer-Verlag, Berlin-Heidelberg. 2001.
-

- G. Haase, E. Lindner: "Advanced Iterative
Solvers and Optimization" , ECMI Newsletter No 24, Oct.
1998, 224k
-

- G. Haase, B. Heise, M. Kuhn, U.Langer:
"Adaptive Domain Decomposition Methods for Finite and Boundary Element
Equations", in Wendland: "Boundary Element Topics",
Teubner, 1997, 1.3M
-

- G. Haase, U. Langer: "Iterative Solution
Techniques in the FEM on massively parallel Computers", in
Rönsch/Schüle : "Informatik Berichte 93-04",
TU Braunschweig, 1993,
95k
-
- G. Haase: "A modified ASM-DD-Preconditioner :
algorithms and
efficiency", in Bader/Rannacher/Wittum : "Parallel
Solution Methods for Differential Equations", SFB-Preprint
696, University of Heidelberg, 1993.
-
- G. Haase, U.Langer: "Die
nichtüberlappende Gebietszerlegungsmethode zur
Parallelisierung und Vorkonditionierung des CG-Verfahrens :
Algorithmen und numerische Vergleiche", in Langer : "Implementierung
paralleler Algorithmen auf Transputerbasis", Preprint TU
Chemnitz, 1992.
-
- G. Haase, U.Langer, A.Meyer: "Parallelisierung
und Vorkonditionierung des CG-Verfahrens :
Algorithmen und numerische Vergleiche", in "Parallele
Algorithmen auf Transputersystemen", Teubner, 1992, 146k
-
- G. Haase, U.Langer: "On the use of multigrid
preconditioners in the domain
decomposition method", in Hackbusch: "Parallel
Algorithms for Partial Differential Equations", Vieweg, 1992.
-
- G. Haase, U.Langer, A.Meyer: "A New Approach to
the Dirichlet Decomposition Method", in Hengst : "Proceedings
of the 5-th Multigrid Seminar held at Eberswalde", Report-Nr.
R-MATH-09/90, Academy of Science at Berlin, 1991.
Technical Reports
-

- G. Haase, A. Kucher: "Detection of defected pills during
manufacturing: optimization and implementational aspects on GPUs ",
SFB-Report
2010-028, University of Graz, SFB, Aug.2010
-

- B. M. Rocha, F. O. Campos, G. Plank, R. W. dos Santos, M.
Liebmann, G. Haase: "Simulations of the Electrical Activity in the
Heart with Graphic Processing Units", SFB-Report
2009-016, University of Graz, SFB, Feb.2009
-

- Ronan Amorim, Gundolf Haase, Manfred Liebmann, Rodrigo Weber dos
Santos: "Comparing CUDA and OpenGL implementations for a Jacobi
iteration", SFB-Report
2008-025, University of Graz, SFB, Dec.2008
-

- M. Bachar, T. Antretter, G. Haase: "An Algorithm for
Determining the Active Slip Systems in Crystal Plasticity Based on the
Principle of Maximum Dissipation", SFB-Report
2008-020SFB-Report 2008-020, University of Graz, SFB, Oct.2008
-

- G. Haase and M. Liebmann: "A Hilbert-Order Multiplication
Scheme for Unstructured Sparse Matrices", IMA03-05, University of
Graz, Institute for Mathematics and Scientific Computing, Oct. 2005
-

- G. Haase and E. Lindner and W. Mühlhuber and C.
Rathberger: "Optimal Sizing and Shape Optimization in
Structural Mechanics", SFB-Report 03-06, University Linz, SFB
F013, May 2003, 151k
-


- G. Haase and S. Reitzinger: "Cache Issues of
Algebraic Multigrid Methods for Linear Systems with Multiple Right-Hand
Sides", SFB-Report 02-05, University Linz, SFB F013, March
2002, 460k
-


- C. Douglas, G. Haase and M. Iskandarani: "An
Additive Schwarz Preconditioner for the Spectral Element Ocean Model
Formulation of the Shallow Water Equations", SFB-Report
01-22, University Linz, SFB F013, June 2001, 1.4M
-


- G. Haase, M. Kuhn and S. Reitzinger: "Parallel
AMG on Distributed Memory Computers", SFB-Report 00-16,
University Linz, SFB F013, June 2000, 220k
-


- G. Haase: "Algebraic Multigrid with Local
Support", SFB-Report 99-29, University Linz, SFB F013, Dec.
1999, 110k
-


- G. Haase, M. Kuhn, U.Langer: "Parallel
Multigrid 3D Maxwell Solvers", SFB-Report 99-23, University
Linz, SFB F013, Dec. 1999,
760k
-

- G. Haase: "A Parallel AMG for Overlapping and
Non-Overlapping Domain Decomposition", SFB-Report 99-05,
University Linz, SFB F013, June 1999, 98k
-


- G. Haase, M. Kuhn: "Preprocessing in 2D FE-BE
Domain Decomposition Methods", SFB-Report 98-14, University
Linz, SFB F013, Dec. 1998,
470k
-


- G. Haase, E.H. Lindner: "Advanced Iterative
Solvers and Optimal Design of Industrial Machine Components",
Report Nr. 543, University Linz, Institute of Analysis and
Computational Mathematics, July 98, 384k
-


- G. Haase, S.V. Nepomnyaschikh: "Explicit
Extension Operators on Hierarchical Grids", Report Nr. 524,
University Linz, Institute of Mathematics, June 1997, 149k
-


- G. Haase: "An Incomplete Factorization
Preconditioner Based on
a Non-Overlapping Domain Decomposition Data Distribution", 103k
-


- G. Haase: "Multilevel Extension Techniques in
Domain Decomposition Preconditioners", Report Nr. 508,
University Linz, Institute of Mathematics, Nov. 1996, 94k
-
- M. Goppold, G. Haase, B.Heise, M.Kuhn:
"Preprocessing in BE/FE Domain Decomposition Methods",
Technical Report 96-2, University Linz, Institute of Mathematics, 1996,
1.5M
-
- G. Haase, B.Heise, M.Kuhn, U.Langer: "Adaptive
Domain Decomposition Methods for Finite and Boundary Element Equations",
Technical Report 95-2, University Linz, Institute of Mathematics, 1995,
1.3M
-
- G. Haase, B.Heise, M.Kuhn, U.Langer: "FEMooBEM
- The Joint Power of the Domain Decomposition, FEM/BEM and the Xplorer",
PowerXplorer User Report, Heinrich-Heine-Universität
Düsseldorf, May 95, pp. 89-94, 578k
-
- T.Apel, G.Haase, A.Meyer, M.Pester: "Parallel
solution of finite element equation systems: efficient inter-processor
communication", Preprint SPC 95-5, DFG-Forschergruppe,
"Scientific Parallel Computing", TU Chemnitz-Zwickau, Feb. 95, 47k
-
- G.Haase, B.Heise, M.Jung, M.Kuhn: "FEMooBEM - A
parallel solver for linear and nonlinear coupled FE/BE-equations",
Report 94-16, DFG-Schwerpunkt "Randelementmethoden", University
Stuttgart, 1994,
2.5M
-
- G.Haase, M.Kuhn: "TransCG - A program for
testing parallel algorithms", Report 94-13, DFG-Schwerpunkt
"Randelementmethoden", University Stuttgart, 1994, 150k
-
- G.Haase, T.Hommel, A.Meyer, M.Pester:
"Bibliotheken zur Entwicklung paralleler Algorithmen",
Preprint SPC 93-1, DFG-Forschergruppe, "Scientific Parallel Computing",
TU Chemnitz-Zwickau, 1993,
90k
-
- G.Haase: "Die nichtüberlappende
Gebietszerlegungsmethode zur Parallelisierung und Vorkonditionierung
des CG-Verfahrens", Report 92-10, IWR, University Heidelberg,
Dec. 92, 184k
-
- G.Haase, U.Langer, A.Meyer: "Domain
Decomposition Preconditioners with Inexact Subdomain Solvers",
Preprint 192, Institute of Mathematics, ,TU Chemnitz, 1991
Bibtex file of
the papers above.