The 2001 Dahlquist Prize of the Society for Industrial and Applied Mathematics stands as a hallmark of Christian Lubich’s contributions to numerical analysis. A career spanning decades of research, he has navigated the complexities of mathematical modeling, focusing his academic rigor on the development of precise numerical integration techniques for mechanical and physical systems.
Academic Foundation and Early Research
Born in 1959, Lubich completed his secondary education at the Bundesrealgymnasium in Innsbruck before enrolling at the University of Innsbruck. Between 1977 and 1981, he pursued undergraduate mathematics, subsequently working as a student assistant. He expanded his expertise as a research associate in the Sonderforschungsbereich 123 at the University of Heidelberg from 1981 to 1983. His doctoral dissertation, finalized in 1983 at the University of Innsbruck, investigated the stability of linear multistep methods regarding Volterra equations under the supervision of Ernst Hairer.
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Lubich served as a university assistant in Innsbruck until 1987, the year he habilitated. His path involved several international academic appointments, including roles at the University of Geneva and the University of Rennes. By 1991, he transitioned to ETH Zurich as an assistant professor. After a tenure as a professor of applied mathematics at the University of Würzburg from 1992 to 1994, he accepted his current position as a professor of numerical mathematics at the University of Tübingen in 1994.
Contributions to Numerical Integration
Lubich’s body of work addresses the numerical solution of differential-algebraic systems and highly oscillatory Hamiltonian systems. His collaborative research includes the development of software for multibody dynamics, such as the MEXX system, and the investigation of tensor train time integration. In 2018, he delivered a plenary talk at the International Congress of Mathematicians in Rio de Janeiro titled Dynamics, numerical analysis, and some geometry, co-authored with Ernst Hairer and Ludwig Gauckler.
Editorial Oversight and Publishing
Beyond his teaching and research, Lubich has maintained a sustained presence in academic publishing and editorial review. Since 1995, he has served on the editorial board of Numerische Mathematik. His editorial service extends to several other publications, including BIT Numerical Mathematics and the IMA Journal of Numerical Analysis. He has authored or co-authored significant texts, such as Geometric Numerical Integration and a guide on reduced models for molecular dynamics.
Fast facts
- Born: 29 July 1959
- Nationality: Austrian
- Doctoral advisor: Ernst Hairer
- Current position: Professor of numerical mathematics, University of Tübingen
- Notable honor: 2001 Dahlquist Prize
- Primary research field: Numerical analysis
Questions readers ask
Where did Christian Lubich complete his doctorate?
He earned his doctorate from the University of Innsbruck in 1983.
What is the primary focus of his research?
His work focuses on numerical analysis, specifically concerning differential-algebraic systems and structure-preserving algorithms.
Achievements
- Held posts at University of Tübingen and University of Würzburg
