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Department of Mathematics

Karlsruhe Institute of Technology
D-76128 Karlsruhe
Tel.: +49 721 608-43800

Photo of Fabian Januszewski PD Dr. Fabian Januszewski

Office hour for students: jederzeit wenn ich da bin.
Room: Kollegiengebäude Mathematik (20.30)
Tel.: +49 721 608 45886
Fax.: 0721 / 608 44244
Email: fabian.januszewski@math.uni-paderborn.de

Institut für Algebra und Geometrie
Englerstraße 2
76128 Karlsruhe

"Die Mathematiker sind eine Art Franzosen: redet man zu ihnen, so übersetzen sie es in ihre Sprache, und dann ist es alsobald ganz etwas anderes." (J.W.v. Goethe)

"... la mathématique est l’art de donner le même nom à des choses différentes." (H. Poincaré)

Since October 2019 I am in Paderborn. Therefore, my email address has changed.

Current List of Courses
Semester Titel Typ
Summer Semester 2019 Lecture
Winter Semester 2018/19 Lecture
Summer Semester 2018 Lecture
Summer Semester 2017 Lecture
Winter Semester 2016/17 Lecture
Summer Semester 2016 Lecture
Winter Semester 2015/16 Lecture
Summer Semester 2015 Lecture
Winter Semester 2014/15 Lecture
Winter Semester 2013/14 Lecture
Summer Semester 2013 Lecture
Winter Semester 2012/13 Lecture
Summer Semester 2012 Seminar


I am interested in Shimura varieties, automorphic representations, special values of L-functions, Iwasawa theory, and representation theory.

Here are slides from a lecture series on p-adic L-functions for GL(n+1) x GL(n). And here are videos of the lectures.

Publications and Preprints

F. Januszewski, "Families of D-modules", arXiv, 31 pages, submitted.

M. Dimitrov, F. Januszewski and A. Raghuram, "L-functions of GL(2n): p-adic properties and nonvanishing of twists", arXiv, to appear in Compositio Mathematica, 41 pages.

F. Januszewski, "Non-abelian p-adic Rankin-Selberg L-functions and non-vanishing of central L-values", arXiv, 66 pages, submitted.

F. Januszewski, "On Period Relations for Automorphic L-functions II", arXiv, 65 pages, submitted.

F. Januszewski, "On Period Relations for Automorphic L-functions I", Transactions of the American Mathematical Society, 371 (2019), 6547-6580.

F. Januszewski, "Algebraic Characters of Harish-Chandra modules and Arithmeticity", arXiv, 65 pages.

F. Januszewski, "Rational Structures on Automorphic Representations", Mathematische Annalen 370 (2018), 1805-1881.

F. Januszewski, "p-adic L-functions for Rankin-Selberg convolutions over number fields", Annales mathématiques du Québec (2016) 40, special issue in honor of Glenn Steven's 60th Birthday, 453-489.

F. Januszewski, "On Deligne's Conjecture on Special Values of L-functions", Habilitationsschrift, 2015.

F. Januszewski, "On p-adic L-functions for GL(n)xGL(n-1) over totally real fields", International Mathematics Research Notices, Vol. 2015, No. 17, 7884-7949.

F. Januszewski, "Algebraic characters of Harish-Chandra modules", Journal of Lie Theory 24 (2014), No. 4, 1161-1206.

F. Januszewski, "Modular symbols for reductive groups and p-adic Rankin-Selberg convolutions over number fields", Journal für die reine und angewandte Mathematik 653 (2011), 1-45.

F. Januszewski, "p-adische Rankin-Selberg-Faltungen", Dissertation, Universität Karlsruhe (TH), 2009.

W. Geiselmann, F. Januszewski, H. Köpfer, J. Pelzl, and R. Steinwandt
"A Simpler Sieving Device: Combining ECM and TWIRL"
9th International Conference on Information Security and Cryptology - ICISC 2006,
Lecture Notes in Computer Science 4296, Springer, 2006.