Jahresbericht Forschung

90 Fakultät für Mathematik
Wissenschaftliches Rechnen
Univ.-Prof. Dr. Bernd Heinrich
Wissenschaftliche Veröffentlichungen:
Kunert, G.: A posteriori error estimation for anisotropic tetrahedral and triangular finite element
meshes. Dissertation, TU Chemnitz, 1998.
Wissenschaftliche Vorträge:
Kunert, G.: Anisotrope a posteriori Fehlerschätzer, Chemnitzer FEM-Symposium,
07. - 09.09.1998
Kunert, G.: Anisotropic a posteriori Error Estimation, Vortrag am Institut für Angewandte Mathematik
der Universität Freiburg (Breisgau), 17.11.1998
Kunert, G.: Anisotropic a posteriori Error Estimation, Workshop Adaptive FEM,
19. - 21.11.1998, Universität Heidelberg
Numerische Algebra
Univ.-Prof. Dr. Volker Mehrmann
Wissenschaftliche Veröffentlichungen:
Benner, P.; Mehrmann, V.; Xu, H.: Numerically Stable, Structure Preserving Method for
Computing the Eigenvalues of Real Hamiltonian or Symplectic Pencils, Numerische Mathematik,
Vol. 78, 1998, pp. 329-358.
Mehl, C.: Compatible Lie and Jordan algebras and applications to structured matrices and
pencils, Dissertation, Fakultät für Mathematik, TU Chemnitz.
Mehrmann, V.; Xu, H.: Choosing Poles so that the Single-Input Pole Placement Problem is
Well-conditioned. SIAM Journal Matrix Analysis and Applications, Vol. 19, 1998, pp. 664-681.
Hench, J. J.; He, C., Kucera, V.; Mehrmann, V.: Dampening Controllers via a Riccati Equation
Approach. IEEE Transactions Automatic Control, Vol. AC-43, 1998, pp. 1280-1284.
Kunkel, P.; Mehrmann, V.: Regular Solutions of Nonlinear Differential-Algebraic Equations and
their Numerical Determination. Numerische Mathematik, Vol. 79, 1998, pp. 581-600.
He, C.; Hench, J. J.; Mehrmann, V.: On Damped Algebraic Riccati Equations,
IEEE Transactions Automatic Control, Vol. AC-43, 1998, pp. 1634-1637.
Byers, R.; He, C.; Mehrmann, V.: Where is the Nearest Non-Regular Pencil. Linear Algebra
and its Applications, Vol. 285, 1998, pp. 81-105.
Mehrmann, V.; Olesky, D.; Phan, T. X. T; Van den Driessche, P.: Relations Between Perron-
Frobenius Results for Matrix Pencils. Linear Algebra and its Applications, Vol. 287, 1998, pp.
257-269.
Ammar, G.; Mehl, C.; Mehrmann, V.: Schur-like Forms for Matrix Lie Groups, Lie Algebras and
Jordan Algebras. Linear Algebra and its Applications, Vol. 287, 1998, pp. 11-39.
Bunse-Gerstner, A.; Byers, R.; Mehrmann, V.; Nichols, N. K.: Feedback Design for
Regularizing Descriptor Systems. Technical Report 98-05-01, Dept. of Mathematics, University
of Kansas.
Benner, P.; Mehrmann, V.; Xu, H.: A Note on the Numerical Solution of Complex Hamiltonian
and Skew-Hamiltonian Eigenvalue Problems, Berichte aus der Technomathematik, 98-07, FB3-
Mathematik und Informatik, Universität Bremen, erscheint in Electronic Transactions Numerical
Analysis
Bunse-Gerstner, A.; Mehrmann, V.: Ludwig Elsner and his Contributions to Core, Applied and
Numerical Linear Algebra, Linear Algebra and its Applications, Vol. 287, pp. 3-10.
Mehrmann, V.; Penzl, T.: Benchmark collections in SLICOT, SLICOT Working Note SLWN1998-