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Mathematical Fluid Mechanics

Dr. Lena Baumann

Dr. Lena Baumann

Academic Staff
Chair of Mathematics VI
Emil-Fischer-Straße 40
97074 Würzburg
Building: 40 (Mathematik Ost)
Room: 03.012
[Translate to Englisch:]

Lena Baumann, Lukas Einkemmer, Christian Klingenberg, Jonas Kusch
An adaptive dynamical low-rank optimizer for solving kinetic parameter identification inverse problems
submitted (2025)

Lena Baumann, Lukas Einkemmer, Christian Klingenberg, Jonas Kusch
An energy stable and conservative multiplicative dynamical low-rank discretization for the Su-Olson problem
submitted (2025)

Lena Baumann, Lukas Einkemmer, Christian Klingenberg, Jonas Kusch
A stable multiplicative dynamical low-rank discretization for the linear Boltzmann-BGK equation
submitted (2024)

Lena Baumann, Lukas Einkemmer, Christian Klingenberg, Jonas Kusch
Energy stable and conservative dynamical low-rank approximation for the Su-Olson problem
SIAM Journal on Scientific Computing, Vol. 46, No. 2, pp. B137-B158 (2024)


Conference proceedings:

Lena Baumann, Marlies Pirner
Linear Landau damping for a two-species Vlasov-Poisson system for electrons and ions
Hyperbolic Problems: Theory, Numerics, Applications. Volume II. HYP 2022, Málaga, Spain, June 20-24, 2022. SEMA SIMAI Springer Series, Vol. 35 (2024), pp. 259-270.

Lena Baumann
On Landau damping coupled with relaxation for the Vlasov-Poisson-BGK equation for small collision frequencies
Oberwolfach Reports.  Rep. 19 (2021), pp. 1047–1085

My research is dedicated to the numerical solution of kinetic equations using dynamical low-rank approximation (DLRA). We perform both theoretical stability considerations and numerical experiments in various dimensions. In addition, the concept of DLRA is applied to inverse problems.

Since 04/2026 R&D Engineer at an industrial company
10/2021 - 11/2025 Doctoral studies (PhD), Department of Mathematics, University of Würzburg, Germany
Thesis: "On the dynamical low-rank numerical method for kinetic equations - Stability analysis and application to inverse problems"
Advisor: Prof. Dr. Christian Klingenberg
10/2018 - 09/2021 M.Sc. in Mathematics, University of Würzburg, Germany
Thesis: "On Landau damping coupled with relaxation for the Vlasov-Poisson-BGK system"
Advisor: Prof. Dr. Christian Klingenberg
03/2015 - 09/2018 B.Sc. in Mathematics, University of Würzburg, Germany
08/2017 - 02/2018 Erasmus+ at the University of Salamanca, Spain

English: Summer term 2026: Research assistant in "Mathematics 2 for Physicists and Engineers" (with Dr. Richard Greiner)

Summer term 2020: Student assistant in „Introduction to complex analysis“ (with PD Dr. Jürgen Grahl)

Winter term 2019/2020: Student assistant in „Analysis III“ (with PD Dr. Jürgen Grahl)

Summer term 2019: Student assistant in „Analysis II“ (with PD Dr. Jürgen Grahl)

Winter term 2018/2019: Student assistant in „Analysis I“ (with PD Dr. Jürgen Grahl)

Winter term 2016/2017: Student assistant in „Analysis I“ (with Prof. Dr. Alfio Borzi)