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Workgroup Functional Analysis

Kollegiengebäude Mathematik (20.30)
Room 2.029 und 3.029

Karlsruher Institut für Technologie
Institut für Analysis
Englerstraße 2
76131 Karlsruhe

Marion Ewald
Dr. Kaori Nagato-Plum

Office hours:
Get in contact by email.

Tel.: +49 721 608 42056 und 42064

Fax.: +49 721 608 46214

Photo of Bas Nieraeth M.Sc. Bas Nieraeth

Office hour for students: By Appointment.
Room: 2.043 Kollegiengebäude Mathematik (20.30)
Tel.: +49 721 608 48748
Email: bas.nieraeth@kit.edu

Karlsruhe Institute of Technology
Department of Mathematics
Institute for Analysis
Englerstraße 2
76131 Karlsruhe

Welcome to my KIT web page.

I have been working at KIT since October 2019.

My research is in the topic of multilinear harmonic analysis and concerns studying weighted bounds for multilinear singular integral operators through sparse forms and their connections to vector-valued extensions with respect to UMD Banach spaces.


  • E. Lorist, B. Nieraeth. Sparse domination implies vector-valued sparse domination. (Preprint) arXiv:2003.02233, 2020.
  • B. Nieraeth. Quantitative estimates and extrapolation for multilinear weight classes. Math. Ann. 375 (2019), no. 1-2, 453–507.
  • E. Lorist, B. Nieraeth. Vector-valued extensions of operators through multilinear limited range extrapolation. J. Fourier Anal. Appl. 25 (2019), no. 5, 2608–2634.
  • D. Frey, B. Nieraeth. Weak and strong type A1−A∞ estimates for sparsely dominated operators. J. Geom. Anal. 29 (2019), no. 1, 247–282.

Recent talks

  • October 2019, Karlsruhe Institute of Technology, Karlsruhe, Germany (Seminar talk)
  • June 2019, University of Bonn, Bonn, Germany (Seminar talk)
  • May 2019, Basque center for applied mathematics, Bilbao, Spain (Seminar talk)
  • December 2018, Delft University of Technology, Delft, The Netherlands (Seminar talk)

Current List of Courses
Semester Titel Typ
Summer Semester 2020 Lecture
Winter Semester 2019/20 Lecture