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About

Johannes Jahn is a retired „Universitätsprofessor“ formerly working at the Department of Mathematics of the Friedrich-Alexander University (FAU) of Erlangen-Nürnberg (Germany). His research interests are theory and numerical methods in nonlinear optimization, vector optimization and set optimization.

He is the editor of the Springer series Vector Optimization
and a member of the editorial board of the journals

  • Journal of Optimization Theory and Applications
  • Computational Optimization and Applications
  • Minimax Theory and its Applications
  • Journal of Nonlinear and Variational Analysis
  • Ilirias Journal of Mathematics

Selected publications are

(a) books:

  • Order Analysis, Deep Learning, and Connections to Optimization (Springer, Cham, 2024, 181 pages).
  • Vector Optimization – Theory, Applications, and Extensions (Springer, Berlin, 2004, 2011, 481 pages).
  • Introduction to the Theory of Nonlinear Optimization (Springer, Berlin, 1994, 1996, 2007, 292 pages; Springer, Cham, 2020, 323 pages).
    This fourth edition is available here. The ebook version uses a colour design whereas in the hardcover version colours are converted into greyscales. Previews of the ebook are given here: Preview 1 and Preview 2.
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(b) recent research papers:

  • (with T.X.D. Ha) “Bishop-Phelps cones given by an equation in Banach spaces”, Optimization 72 (2023) 1309–1346.
  • “A unified approach to Bishop-Phelps and scalarizing functionals”, Journal of Applied and Numerical Optimization 5 (2023) 5–25.
  • “Characterizations of the set less order relation in nonconvex set optimization”, Journal of Optimization Theory and Applications 193 (2022) 523–544.

He is involved in two patents.