recent work

D. Braess, J. Schöberl
Equilibrated Residual Error Estimator for Maxwell's Equations.
(submitted, Preprint: RICAM Report 2006-19)
PDF-File
J. Schöberl, W. Zulehner
Symmetric Indefinite Preconditioners for saddle Point Problems with Applications to PDE-Constrained Optimization Problems
(to appear in SIAM J. Matrix Analysis and Applications 2007)
PDF-File
J. Schöberl, R. Stenberg
Multigrid Methods for Stabalized Reissner Mindlin Plate Formulations
(submitted)
J. Schöberl
A posteriori error estimates for Maxwell Equations.
(accepted for publication in Math Comp)
PDF-File
J. Schöberl, J. Melenk, C. Pechstein, and S. Zaglmayr
Additive Schwarz Preconditioning for p-Version Triangular and Tetrahedral Finite Elements
(to appear in IMAJNA 2007)
PDF-File
M. Schinnerl, M. Kaltenbacher, U. Langer, R. Lerch, J. Schöberl
Numerical Simulation of Magneto-Mechanical Sensors and Actuators
(to appear in Surveys on Mathematics for Industry 2007)

journal papers

Joachim Schöberl:

A. Becirovic, P. Paule, V. Pillwein, A. Riese, C. Schneider, J.Schöberl
Hypergeometric Summation Algorithms for High-order Finite Elements
Computing, 78:235-249, 2006
S. Beuchler and J. Schöberl
New shape functions for triangular p-FEM using integrated Jacobi polynomials
Numerische Mathematik 2006, 103, p. 339-366, 2006,
PDF-File (preprint version)
D. Boffi, F. Kikuchi, and J. Schöberl
Edge element computation of Maxwell's eigenvalues on general quadrilateral meshes
Mathematical Models and Methods in Applied Sciences., 16:265-273, 2006
PDF-File
S. Hein, T. Hohage, W. Koch, J. Schöberl
Acoustic Resonacnes in a High Lift Configuration
Journal of Fluid Mechanics, 2006
PDF-File
M. Hofer, N. Finger, J. Schöberl, S. Zaglmayr, U. Langer, R. Lerch
Finite Element Simulation of Wave Propagation in Periodic Piezoelectric SAW Structures.
IEEE Transactions on UFFC, 53(6):1192-1201, 2006
PDF-File
F. Bachinger, U. Langer, and J. Schöberl
Efficient Solvers for Nonlinear Time-Periodic Eddy Current Problems
Computing and Visualization in Science, 9:197-207, 2006
PDF-File
J. Schöberl and S. Zaglmayr
High order Nedelec elements with local complete sequence properties.
International Journal for Computation and Mathematics in Electrical and Electronic Engineering (COMPEL), Vol. 24, No. 2, 2005, pp. 374-384(11)
PDF-File
S. Zaglmayr, J. Schöberl, and U. Langer
Eigenvalue Problems in Surface Acoustic Wave Filter Simulation
Progress in Industrial Mathematics at ECMI 2004, pp. 75-99, Springer Verlag, Nov. 2005,
PDF-File (SFB Report)
F. Bachinger, U. Langer, and J. Schöberl
Numerical Analysis of Nonlinear Multiharmonic Eddy Current Problems.
Numerische Mathematik. available online DOI: 10.1007/s00211-005-0597-2
Paper
S. Beuchler and J. Schöberl
Optimal extensions on tensor-product meshes.
Applied Numerical Mathematics 54(3-4), 391-405 (2005)
PDF-File (preprint version)
Z. Dostal and J. Schöberl
Minimizing quadratic functions over non-negative cone with the rate of convergence and finite termination.
Computational Optimization and Applications 30, pp 23-44 (2005)
PDF-File
R.D. Lazarov, J.E. Pasciak, J. Schöberl, and P.S. Vassilevski
Almost optimal interior penalty discontinuous approximations of symmetric elliptic problems on non-matching grids.
Numerische Mathematik 96, pp 295-315 (2003)
PS-File
J. Schöberl and W. Zulehner
On Schwarz-type Smoothers for Saddle Point Problems
Numerische Mathematik, 95, pp 377-399 (2003)
PS-File
S. Reitzinger and J. Schöberl
Algebraic Multigrid for Edge Elements
Numerical Linear Algebra with Applications 9(3), pp 223-238 (2002)
PS-File
M. Schinnerl, J. Schöberl, M. Kaltenbacher, R. Lerch
Multigrid Methods for the 3D Simulation of Nonlinear Magneto-Mechanical Systems
IEEE Transactions Magnetics, Vol 38(3), pp 1497-1511 (2002)
PS-File (preprint)
T. Apel and J. Schöberl
Multigrid Methods for Anisotropic Edge Refinement
SIAM Journal on Numerical Analyis, Vol 40(5), pp 1993-2006 (2002)
PS-File (preprint)
B. Kaltenbacher and J. Schöberl
A Saddle Point Variational Formulation for Projection-Regularized Parameter Identification
Numerische Mathematik 91(4), pp 675-697 (2002)
PS-File
T. Apel, S. Nicaise and J. Schöberl
A non-conforming finite element method with anisotropic mesh grading for the Stokes problem in domains with edges.
IMA Journal of Numerical Analysis 21, pp 843-856 (2001)
PS-File
T. Apel, S. Nicaise and J. Schöberl
Crouzeix-Raviart type finite elements on anisotropic meshes.
Numerische Mathematik 89(2), pp 193-223 (2001)
PS-File
J. Schöberl
Efficient Contact Solvers Based on Domain Decomposition Techniques.
Computers & Mathematics with Applications 42, pp 1217-1228 (2001)
PS-File
G. Haase, U. Langer, S. Reitzinger, J. Schöberl
Algebraic Multigrid Methods based on Element Preconditioning
Intern. J. Computer. Math. 78: pp 676-598 (2001)
J. Schöberl
Multigrid Methods for a Parameter Dependent Problem in Primal Variables.
Numer. Math. 84: pp 97-119 (1999)
PS-File
J. Schöberl
Solving the Signorini Problem on the Basis of Domain Decomposition Techniques.
Computing, 60(4):323-344, 1998.
PS-File
J. Schöberl
NETGEN - An advancing front 2D/3D-mesh generator based on abstract rules.
Comput.Visual.Sci, 1:41-52, 1997.
PS-File

Sabine Zaglmayr:

M. Hofer, N. Finger, J. Schöberl, S. Zaglmayr, U. Langer, R. Lerch
Finite Element Simulation of Wave Propagation in Periodic Piezoelectric SAW Structures.
IEEE Transactions on UFFC, 53(6):1192-1201, 2006
PDF-File
J. Schöberl and S. Zaglmayr
High order Nedelec elements with local complete sequence properties.
International Journal for Computation and Mathematics in Electrical and Electronic Engineering (COMPEL), Vol. 24, No. 2, 2005, pp. 374-384(11)
PDF-File

Martin Huber:

M. Bergmair, M. Huber, K. Hingerl
Band Structure, Wiener bounds and Coupled Surface Plasmons in 1D Photonic Crystals.
Applied Physics Letters, 89, 2006
PDF-File
M.V. Kovalenko, E. Kaufmann, D. Pachinger, J. Roither, M. Huber, J. Stangl, G. Hesser, F. Schäffler, W. Heiss
Colloidal HgTe Nanocrystals with Widely Tunable Narrow Band Gap Energies: From Telecommunications to Molecular Vibrations
J. Am. Chem. Soc., 128(11):3516 - 3517, 2006
PDF-File
M. Huber, J. Schöberl, A. Sinwel, S. Zaglmayr
Simulation of Diffraction in Periodic Media with a Coupled Finite Element and Plane Wave Approach
SIAM J. Sci. Comput., Volume 31, Issue 2, pp. 1500-1517 (2009)
Preprint: RICAM Report 2007-22, Austrian Academy of Sciences, RICAM, Linz, Austria, 2007
PDF-File (preprint version)

Astrid Sinwel:

Bert Jüttler, Margot Oberneder, Astrid Sinwel
On the existence of biharmonic tensor-product Bezier surface patches
Computer Aided Geometric Design, Volume 23, Issue 7, October 2006, Pages 612-615
PDF-File

proceeding papers

Joachim Schöberl:

V. Pillwein, P. Paule, C. Schneider, J. Schöberl
Hypergeometric Summation Techniques for High Order Finite Elements.
PAMM - Proc. App. Math. Mech., 6(1):689 - 690
PDF-File
J. Schöberl, J. Melenk, C. Pechstein, and S. Zaglmayr
Schwarz Preconditioning for High Order Simplicial Finite Elements
proceedings to DD16, New York 2005 (submitted)
PDF-File
A. Becirovic, and J. Schöberl
High order EAS elements for plates and 3D structures,
Proc. to the 5th International Conference on Computation of Shell and Spatial Structures, Salzburg, 2005
PDF-File
S Hain, W. Koch and J. Schöberl
Acoustic Resonances in a 2D Slate Cove and 3D Open Cavity
Proc to 11th AIAA/CEAS Aeroacoustics Conference 2005, Monterey CA, AIAA Paper 2005-2867
J. Gerstmayr and J. Schöberl
A 3D finite element approach to flexible multibody systems
Proceedings to WCCM V Fifth World Congress on Computational Mechanics, Vienna, 2002
PDF-File
M. Hofer, R. Lerch, N. Finger, G. Kovacs, J. Schöberl, S. Zaglmayr, U. Langer
Finite Element Calculation of Wave Propagation and Excitation in Periodic Piezoelectric Systems
Proceedings to WCCM V Fifth World Congress on Computational Mechanics, Vienna, 2002
PDF-File
M. Hofer, N. Finger, J. Schöberl, S. Zaglmayr, G. Kovacs, U. Langer and R. Lerch:
Finite Element Calculation of the Dispersion relations of Infinitely Extended SAW Structures, Including Bulk Wave Radiation
Proceedings of SPIE's 9th Annual International Symposium on Smart Structures and Materials, 2002
PDF-File
T. Apel, S. Nicaise, J. Schöberl
Finite element methods with anisotropic meshes near edges.
In M. Krizek and P. Neitaanmäki (eds.): Proc. Internat. Conf. Finite Element Methods: Three-dimensional Problems.
GAKUTO Internat. Series, Math. Sci. Appl., vol. 15, Gakkotosho, Tokyo, 2001, 1-8
PS-File
M. Schinnerl, J. Schöberl, M. Kaltenbacher, U. Langer and R. Lerch
Multigrid Methods for the fast Numerical Simulation of Coupled Magnetnomechanical Systems
ZAMM, 80:117-120, 2000
M. Schinnerl, J. Schöberl, M. Kaltenbacher
Nested Multigrid Methods for the Fast Numerical Computation of 3D Magnetic Fields.
IEEE Trnas. on Magnetics, 36(4): 1557-1560, 2000
PDF-File
M. Kaltenbacher, S. Reitzinger, J. Schöberl
Algebraic Multigrid for Solving 3D Nonlinear Electrostatic and Magnetostatic Field Problems
IEEE Trnas. on Magnetics, 36(4): 1561-1564, 2000
PDF-File
M. Kuhn, U. Langer, J. Schöberl
Scientific Computing Tool for 3D Magnetic Field Problems.
In The Mathematics of Finite Elements and Applications: Highlights 1999, MAFELAP 1999 (ed. by J.R. Whiteman), pp. 239-258, Brunel University of West London, June 22 - 25, 1999. John Wiley & Sons, Ltd., 2000.
PS-File
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.
J. Schöberl
Multigrid Methods for Parameter Dependent Problems I: The Stokes-type Case.
In W. Hackbusch and G. Wittum, editors, Proceedings of the Fifth European Multigrid Conference, Springer, 1998
PS-File
J. Schöberl
Non-conforming Nodal-value Discretization and Multigrid Methods for 4^th-order Problems.
ZAMM, 78:1059-1060, 1998.
PS-File

Sabine Zaglmayr:

J. Schöberl and S. Zaglmayr
High order Nedelec elements with local complete sequence properties.
International Journal for Computation and Mathematics in Electrical and Electronic Engineering (COMPEL), Vol. 24, No. 2, 2005, pp. 374-384(11)
PDF-File
S. Zaglmayr, J. Schöberl, and U. Langer
Eigenvalue Problems in Surface Acoustic Wave Filter Simulation
Progress in Industrial Mathematics at ECMI 2004, pp. 75-99, Springer Verlag, Nov. 2005,
PDF-File (SFB Report)
M. Hofer, R. Lerch, N. Finger, G. Kovacs, J. Schöberl, S. Zaglmayr, U. Langer
Finite Element Calculation of Wave Propagation and Excitation in Periodic Piezoelectric Systems
Proceedings to WCCM V Fifth World Congress on Computational Mechanics, Vienna, 2002
PDF-File
M. Hofer, N. Finger, J. Schöberl, S. Zaglmayr, G. Kovacs, U. Langer and R. Lerch
Finite Element Calculation of the Dispersion relations of Infinitely Extended SAW Structures, Including Bulk Wave Radiation
Proceedings of SPIE's 9th Annual International Symposium on Smart Structures and Materials, 2002
PDF-File

reports

Joachim Schöberl:

S. Gerhold, M. Kauers, J. Schöberl
Hypergeometric Summation Algorithms for High Order Finite Elements
SFB-Report, 2006-8, Johannes Kepler University, Linz, SFB "Numerical and Symbolic Scientific Computing", 2006
J. Schöberl:
Commuting quasi-interpolation operators for mixed finite elements.
Preprint ISC-01-10-MATH, Texas A&M University, 2001.
PS-File
E. Radmoser, O. Scherzer and J. Schöberl:
A Cascadic Algorithm for Bounded Variation Regularization
SFB-Report No. 00-23, Johannes Kepler Universität Linz, Spezialforschungsbereich F013, 4020 Linz, Austria, 2000.
PS-File
C. Carstensen, J. Schöberl:
Residual-Based A Posteriori Error Estimate for a Mixed Reißner-Mindlin Plate Finite Element Method
SFB-Report No. 00-31, Johannes Kepler Universität Linz, Spezialforschungsbereich F013, 4020 Linz, Austria, 2000.
PS-File
G. Haase, U. Langer, S. Reitzinger, J. Schöberl:
A General Approach to Algebraic Multigrid Methods.
SFB-Report No. 00-33, Johannes Kepler Universität Linz, Spezialforschungsbereich F013, 4020 Linz, Austria, 2000.
PS-File
J. Schöberl:
Multigrid Methods for a Class of Parameter Dependent Problems in Primal Variables.
SFB-Report No. 99-3, Johannes Kepler Universität Linz, Spezialforschungsbereich F013, 4020 Linz, Austria, 1999
PS-File
M. Schinnerl and J. Schöberl:
Multigrid Methods for the 3D Simulation of Nonlinear Magneto-Mechanical Systems
SFB-Report No. 99-30, Johannes Kepler Universität Linz, Spezialforschungsbereich F013, 4020 Linz, Austria, 1999
PS-File
F. Kickinger, S. Nepomnyaschikh, R.Pfau, and J.Schöberl:
Numerical Estimates of Inequalities in H1/2.
Technical Report TR 97-3, Johannes Kepler Universtät Linz, Arbeitsgruppe Numerische Mathematik undOptimierung, Universität Linz, 4040 Linz, Austria, 1997.
PS-File

Martin Huber:

M. Huber, J. Schöberl, A. Sinwel, S. Zaglmayr
Simulation of Diffraction in periodic Media with a coupled Finite Element and Plane Wave Approach
RICAM Report 2007-22, Austrian Academy of Sciences, RICAM, Linz, Austria, 2007
PDF-File

Astrid Sinwel:

J. Schöberl and A. Sinwel
Tangential-Displacement and Normal-Normal-Stress Continuous Mixed Finite Elements for Elasticity
RICAM Report 2007-10, Austrian Academy of Sciences, RICAM, Linz, Austria, 2007
PDF-File
P. Monk, J. Schöberl and A. Sinwel
Hybridizing Raviart-Thomas elements for the Helmholtz equation
RICAM Report 2008-22, Austrian Academy of Sciences, RICAM, Linz, Austria, 2008
PDF-File

theses

Joachim Schöberl:

Dissertation, 1999:
Robust Multigrid Methods for Parameter Dependent Problems.

Sabine Zaglmayr:

Diplomarbeit 2002:
Eigenvalue Problems in SAW-Filter Simulations.
Dissertation 2006:
High Order Finite Element Methods for Electromagnetic Field Computation.

Florian Bachinger:

Diploma thesis 2003:
Multigrid Solvers for 3D Multiharmonic Nonlinear Magnetic Field Computations.

Astrid Sinwel

Diploma thesis 2006:
Numerical Simulation of Contact Problems with Coulomb Friction.
Dissertation 2009:
A New Family of Mixed Finite Elements for Elasticity.

Martin Huber