Prof. Dr. (em.) Günter Harder

E-mail: harder(at)
Phone: +49 228 73 2841
Room: 3.007
Location: Mathematics Center
Institute: Max Planck Institute for Mathematics
Mathematical Institute

Academic Career


Teachers examination


PhD, University of Hamburg

1964 - 1966

Assistant Professor, University of Hamburg


Habilitation, University of Hamburg

1967 - 1969

Assistant Professor, University of Heidelberg

1969 - 1974

Professor (C4), University of Bonn

1974 - 1980

Professor (C4), University of Wuppertal

1980 - 2003

Professor (C4), University of Bonn

1995 - 2006

Director, Max Planck Institute for Mathematics, Bonn

Since 1991

Scientific Member, Max Planck Institute for Mathematics, Bonn

Since 2003

Professor Emeritus, University of Bonn

Research Projects and Activities

Cohomology of arithmetic groups

Applications to arithmetic

Selected Publications

[1] G. Harder
Arithmetic aspects of rank one Eisenstein cohomology
Cycles, motives and Shimura varieties
of Tata Inst. Fund. Res. Stud. Math. : 131--190
Publisher: Tata Inst. Fund. Res., Mumbai
[2] Günter Harder
Interpolating coefficient systems and p-ordinary cohomology of arithmetic groups
Groups Geom. Dyn. , 5: (2): 393--444
DOI: 10.4171/GGD/133

Publication List

MathSciNet Publication List (external link)


• Mathematische Annalen (until 1990)



Leibniz Prize


Karl Georg Christian von Staudt Prize

Selected Invited Lectures


Semisimple group schemes over curves and automorphic functions. Proceedings ICM in Nice, France


Eisenstein cohomology of arithmetic groups and its applications to number theory. Proceedings of the ICM in Kyoto, Japan


Workshop Arithmetic Groups and Automorphic Forms, Erwin Schrödinger International Institute for Mathematical Physics, Vienna, Austria


Richard Pink, now Professor, ETH Zürich, Switzerland

Joachim Schwermer, now Professor, University of Vienna, Austria

Ernst-Ulrich Gekeler, now Professor, Saarland University

Jürgen Rohlfs, now Professor Emeritus, Catholic University of Eichstätt-Ingolstadt

Selected PhD students

Joachim Schwermer (1977): “Eisensteinreihen und die Kohomologie von Kongruenzuntergruppen von SL*(Z)”,
now Professor, University of Vienna, Austria

Ernst-Ulrich Gekeler (1979): “Drinfeld-Moduln und modulare Formen über rationalen Funktionenkörpern”,
now Professor, Saarland University

Richard Pink (1988): “Arithmetical Compactification of Mixed Shimura Varieties”,
now Professor, ETH Zürich, Switzerland

Uwe Weselmann (1991): “Kohomologische Kongruenzen zwischen automorphen Darstellungen von GL2”

Christian Kaiser (1997): “Ein getwistetes fundamentales Lemma für die GSp_1tn4”,
now Researcher and IMPRS Coordinator, Max Planck Institute for Mathematics, Bonn

Jochen Heinloth (2004): “Coherent Sheaves with Parabolic Structures And Construction of Hecke Eigensheaves For Some Ramified Local Systems”,
now Professor, University of Duisburg-Essen

Supervised Theses

  • Diplom theses: 70
  • PhD theses: 30
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