Lars Niedorf

I am a Van Vleck Assistant Professor at the University of Wisconsin-Madison under the mentorship of Andreas Seeger. I received my PhD from Kiel University in February 2024 . My advisor was Detlef Müller.

My main research interests lie in harmonic analysis and PDEs, in particular non-commutative harmonic analysis on Lie groups, spectral multipliers for subelliptic operators, and wave equations.

E-mail address: niedorf [at] wisc [dot] edu

Publications

Spectral multipliers on Métivier groups, Studia Math. (2025), arXiv.
An Lp-spectral multiplier theorem with sharp p-specific regularity bound on Heisenberg type groups, J. Fourier Anal. Appl. (2024), arXiv.
A p-specific spectral multiplier theorem with sharp regularity bound for Grushin operators, Math. Z. (2022), arXiv.

Preprints

Spectral multipliers on two-step stratified Lie groups with degenerate group structure, 2025, arXiv.
Restriction type estimates on general two-step stratified Lie groups, 2024, arXiv.

Theses

Spectral multipliers on two-step structures, 2024. (PhD thesis)
Weighted restriction type estimates and spectral multipliers for Grushin operators, 2021. (Master's thesis)

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