Current Projects

• Discovering structure in complex data: Statistics meets Optimization and Inverse Problems (2015-2024)
  DFG Research Training Group 2088 (RTG 2088)

Teaching

• Research seminar: Numerical Analysis (English) (WS 2021/2022)
  Thursday 12.30 - 14.00, online (2 SWS)
  
• Exercises: Image and Geometry Processing III - Exercises, Mi 10-12 (English) (WS 2021/2022)
  Wednesday, 10.15 - 11.45, online (2 SWS)
  
• Exercises: Image and Geometry Processing III - Exercises, Mo 10-12 (English) (WS 2021/2022)
  Wednesday, 10.15 - 11.45 (2 SWS)
  
• Research seminar: Numerical Analysis (English) (SS 2021)
  Thursday 12.30 - 14.00, online (2 SWS)
  
• Exercises: Image and Geometry Processing II - Exercises, Mo 10-12 (English) (SS 2021)
  Wednesday, 10.15 - 11.45, online (2 SWS)
  
• Research seminar: Numerical Analysis (English) (WS 2020/2021)
  Thursday 12.30 - 14.00, online (2 SWS)
  
• Research seminar: Numerical Analysis (English) (SS 2020)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  
• Research seminar: Numerical Analysis (English) (WS 2019/2020)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  
• Research seminar: Numerical Analysis (English) (SS 2019)
  Monday 14.15 - 15.45, MN 68 (2 SWS)
  
• Research seminar: Numerical Analysis (English) (WS 2018/2019)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  
• Research seminar: Numerical Analysis (English) (SS 2018)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  
• Exercises: Numerische Mathematik II - Übung (German) (SS 2018)
  Wednesday, 10.15 - 11.45, NAM MN68 (2 SWS)
  
• Research seminar: Numerical Analysis (English) (WS 2017/2018)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  
• Exercises: Approximation methods II - Exercises (English) (WS 2017/2018)
  Wednesday, time and room will be scheduled later (2 SWS)
  
• Research seminar: Numerical Analysis (English) (SS 2017)
  Thursday 12.30 - 14.00, Seminarraum NAM (2 SWS)
  

Workshops

• 6th RTG Workshop 2021
  September 6-8, 2021 in Mariaspring, Germany
• 5th RTG Workshop 2020
  October 5-6, 2020 in Goettingen, Germany
• 30. Rhein-Ruhr-Workshop (Talk)
  January 31 - February 1, 2020 in Bestwig
• 4rd Workshop of the RTG 2088 (Talk)
  September 30 - October 2, 2019 in Akademie Waldschlösschen
• 16th Interntional Conference on Approximation Theory (Talk)
  May 19 - 22, 2019 in Nashville
• 29. Rhein-Ruhr-Workshop (Talk)
  January 31 - February 1, 2019 in Bestwig
• RTG Workshop Sparse Approximation with Exponential Sums and Applications (Talk)
  November 26 - 27, 2018 in Göttingen
• 3rd Workshop of the RTG 2088 (Talk)
  September 24 - 26, 2018 in Bebra
• Curves and Surfaces 2018 (Talk)
  June 28 - July 4, 2018 in Arcachon
• GAMM 89th Annual Scientific Conference
  March 19 - 23, 2018 in Munich
• 28. Rhein-Ruhr-Workshop (Talk)
  February 2 - 3, 2018 in Bestwig
• 2nd Workshop of the RTG 2088 (Talk)
  September 25 - 27, 2017 in Eddigehausen

Publications

• Modifications of Prony's Method for the Recovery and Sparse Approximation of Generalized Exponential Sums
  Ingeborg Keller, Gerlind Plonka
  G.E. Fasshauer et al. (eds.), Approximation Theory XVI, Springer Proceedings in Mathematics & Statistics 336, 2021 (preprint as download)
• Reconstruction of Non-Stationary Signals by the Generalized Prony Method
  Ingeborg Keller, Gerlind Plonka, Kilian Stampfer
  Proc. Appl. Math. Mech. Volume 19, 358--359, 2019 (DOI 10.1002/pamm.201900358)
• Reconstruction of stationary and non-stationary signals by the generalized Prony method
  Gerlind Plonka, Kilian Stampfer, Ingeborg Keller
  Analysis and Applications 17(2), 179-210, 2019 (revised preprint as download)