I am a Young Investigator in the Collaborative Research Centre CRC 1114: Scaling Cascades in Complex Systems at Freie Universit�t Berlin.
Moreover, I am a member of the research group Partial Differential Equations
at the Weierstrass Institute of Applied Analysis and Stochastics.
Current news
In am one of the organizers of the workshop
Mathematical Analysis of Fluid Flows by Variational Methods,
which takes place at the Weierstrass Institute in Berlin from September 29 to October 1, 2025.
Scientific interests
My research focuses on the mathematical analysis of partial differential equations,
usually motivated by problems from continuum mechanics,
in particular, fluid mechanics.
I am interested in questions related to
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existence of strong and weak solutions,
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generalized solution concepts,
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time-periodic solutions,
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problems in unbounded domains,
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asymptotic behavior of solutions,
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complex continuum models.
I also study such topics in the project
Analysis of energy-variational solutions for hyperbolic conservation laws
within the SPP 2410.
Teaching [show/hide]
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lecture course "Introduction to mathematical modeling with partial differential equations"
at Freie Universit�t Berlin, winter term 2024/25
(whiteboard course)
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lecture course "Harmonic analysis"
at University of Kassel, summer term 2024
(moodle course)
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student seminar "Analysis"
at University of Kassel, summer term 2024
(moodle course)
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lecture course "Funcional analysis"
at University of Kassel, winter term 2023/24
(moodle course)
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student seminar "Fachwissenschaftliches Seminar Mathematik, Lehramt Grundschule"
at University of Kassel, winter term 2023/24
(moodle course)
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student seminar "Fachwissenschaftliches Seminar Mathematik, Lehramt Haupt- und Realschule"
at University of Kassel, winter term 2023/24
(moodle course)
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lecture course "Multidimensional calculus of variations"
at Humboldt-Universit�t zu Berlin, winter term 2022/23
(moodle course)
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lecture course "Treffpunkt Mathematik III f�r Maschinenbau"
at Technical University of Darmstadt, winter term 2019/20
Publications [show/hide]
Recent preprints
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T. Eiter, S. Schindler.
Time-asymptotic self-similarity of the damped compressible Euler equations in parabolic scaling variables.
Preprint.
arXiv:2507.03688
.
Peer-reviewed articles
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T. Eiter, L. Schmeller.
Weak solutions to a model for phase separation coupled with finite-strain viscoelasticity subject to external distortion.
Math. Models Methods Appl. Sci.
Online Ready,
2025.
[Link]
arXiv:2409.07066
WIAS Preprint No. 3130.
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T. Eiter, A.L. Silvestre.
Representation formulas and far-field behavior of time-periodic flow past a body.
Nonlinear Differ. Equ. Appl.
32:37,
2025.
[Link]
arXiv:2402.12213
WIAS Preprint No. 3091.
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T. Eiter, Y. Shibata.
Viscous flow past a translating body with oscillating boundary.
J. Math. Soc. Japan
77 (1),
2025.
[Link]
arXiv:2303.09592
WIAS Preprint No. 3000.
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T. Eiter, R. Lasarzik.
Existence of energy-variational solutions to hyperbolic conservation laws.
Calc. Var.
63,
2024.
[Link]
arXiv:2211.12307
WIAS Preprint No. 2974.
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T. Eiter, M. Kyed, Y. Shibata.
Periodic Lp estimates by R-boundedness: Applications to the Navier–Stokes equations.
Acta Appl. Math.
188,
2023.
[Link]
arXiv:2204.11290
WIAS Preprint No. 2931.
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T. Eiter, M. Kyed, Y. Shibata.
Falling drop in an unbounded liquid reservoir: Steady-state solutions.
J. Math. Fluid Mech.
25,
2023.
[Link]
arXiv:1912.04925.
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T. Eiter.
On the regularity of weak solutions to time-periodic Navier–Stokes equations in exterior domains.
Mathematics
11 (1),
2023.
[Link]
arXiv:2212.00429
WIAS Preprint No. 2979.
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T. Eiter, K. Hopf, R. Lasarzik.
Weak-strong uniqueness and energy-variational solutions for a class of viscoelastoplastic fluid models.
Adv. Nonlinear Anal.
12 (1),
2023.
[Link]
arXiv:2112.07480
WIAS Preprint No. 2904.
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T. Eiter.
On the Oseen-type resolvent problem associated with time-periodic flow past a rotating body.
SIAM J. Math. Anal.
54 (4),
2022.
[Link]
arXiv:2111.00984
WIAS Preprint No. 2888.
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T. Eiter.
On the Stokes-type resolvent problem associated with time-periodic flow around a rotating obstacle.
J. Math. Fluid Mech.
24,
2022.
[Link]
arXiv:2109.07949
WIAS Preprint No. 2876.
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T. Eiter, K. Hopf, A. Mielke.
Leray–Hopf solutions to a viscoelastic fluid model with nonsmooth stress-strain relation.
Nonlinear Anal. Real World Appl.
65,
2022.
[Link]
arXiv:2104.05545
WIAS Preprint No. 2829.
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T. Eiter, G. P. Galdi.
Spatial decay of the vorticity field of time-periodic viscous flow past a body.
Arch. Rational Mech. Anal.
242,
2021.
[Link]
arXiv:2011.12579
WIAS Preprint No. 2791.
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T. Eiter.
On the spatially asymptotic structure of time-periodic solutions to the Navier–Stokes equations.
Proc. Amer. Math. Soc.
159,
2021.
[Link]
arXiv:2005.13268
WIAS Preprint No. 2727.
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T. Eiter, M. Kyed.
Viscous flow around a rigid body performing a time-periodic motion.
J. Math. Fluid Mech.
23,
2021.
[Link]
arXiv:1912.04938.
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T. Eiter, M. Kyed, Y. Shibata.
On periodic solutions for one-phase and two-phase problems of the Navier–Stokes equations.
J. Evol. Equ.
21,
2021.
[Link]
arXiv:1909.13558.
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T. Eiter, M. Kyed.
Estimates of time-periodic fundamental solutions to the linearized Navier–Stokes equations.
J. Math. Fluid Mech.
20,
2018.
[Link]
arXiv:1610.09249.
Book contributions
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T. Eiter, M. Kyed.
Time-periodic linearized Navier–Stokes equations: An approach based on Fourier multipliers.
In: T. Bodnár, G. P. Galdi, Š. Nečasová (eds.). Particles in flows, Adv. Math. Fluid Mech.,
2017.
[Link]
Conference proceedings
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T. Eiter, G. P. Galdi.
New results for the Oseen problem with applications to the Navier–Stokes equations in exterior domains.
In: RIMS Kôokyûuroku
2171,
2020.
[Link]
arXiv:1904.01527.
Dissertation thesis
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T. Eiter.
Existence and spatial decay of periodic Navier–Stokes flows in exterior domains.
PhD thesis.
2020.
(Logos Verlag Berlin,
TUprints)
Other activities [show/hide]
Short CV [show/hide]
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Giving the Junior Richard-von-Mises-Lecture
(June 17, 2022)
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