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Workgroup on Number Theory and Algebraic Geometry

Kollegiengebäude Mathematik (20.30)
Room 1.027

Kaiserstraße 89-93
76133 Karlsruhe

Office hours:
Mo - Fr, 9.15 - 11.45

Tel.: +49 721 608 43041

Fax.: +49 721 608 44244

Photo of Fabian Januszewski PD Dr. Fabian Januszewski

Office hour for students: jederzeit wenn ich da bin.
Room: 1.023 Kollegiengebäude Mathematik (20.30)
Tel.: +49 721 608 45886
Fax.: 0721 / 608 44244
Email: januszewski@kit.edu

Institut für Algebra und Geometrie
Englerstraße 2
76128 Karlsruhe

Meanwhile I am back in Karlsruhe.

Semester Titel Typ
Winter Semester 2015/16
Summer Semester 2015
Winter Semester 2014/15
Summer Semester 2014 Seminar
Winter Semester 2013/14
Summer Semester 2013
Winter Semester 2012/13
Summer Semester 2012 Seminar
Winter Semester 2009/10 Seminar


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

Publications and Preprints

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

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

F. Januszewski, "On Rational Structures on Automorphic Representations", arXiv, submitted.

F. Januszewski, "p-adic L-functions for Rankin-Selberg convolutions over number fields", arXiv, submitted.

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

F. Januszewski, "On p-adic L-functions for GL(n)x GL(n-1) over totally real fields", International Mathematics Research Notices 2015, doi:10.1093/imrn/rnu181, 66 pages.

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.

Talks and Lectures

p-adic Hodge theory and Iwasawa theory, Universität Bielefeld, Germany, 09/2015
Number Theory Seminar, Osaka University, Japan, 07/2015
Lie Groups and Representation Theory Seminar, University of Tokyo, Japan, 07/2015
Number Theory Seminar, Kyoto University, Japan, 07/2015
Séminaire Géométrie Arithmétique et Motivique, Université Paris 13, 01/2015
Fonctions L Automorphes, Univerité Lille 1, France, 10/2014
Morningside Center of Mathematics, Beijing, China, 09/2014
p-adic Aspects of Modular Forms, IISER Pune, India, 06/2014
Winter School on Representation Theory of Reductive Groups, University of Tokyo, Japan, 02/2014
Arithmetic Geometry Seminar, Bielefeld, 11/2013
NCTS Number Theory Seminar, National Taiwan University, Taiwan, 09/2013
Modular forms, p-adic L-functions and Selmer groups, Sofia/Oriahovitza, Bulgaria, 07/2013
Representation Theory and Applications, a Conference in Honor of Roger Howe, Yeditepe University, Istanbul, 06/2013
Séminaire de Théorie des Nombres, Université de Bordeaux, 03/2013
Weihnachtsworkshop on Geometry and Number Theory 2012 in Honor of Frank Herrlich, KIT, 12/2012
TIMS Seminar on Arithmetic Geometry, National Taiwan University, 03/2012
University of Oklahoma Karcher Colloquium, 03/2012
Caltech Number Theory Seminar, 02/2012
Geometric Group Theory Seminar, KIT, 11/2011
UCLA Number Theory Seminar, 10/2011
Oklahoma State University Colloquium, 09/2011
Conference Modular/Geometric Iwasawa Theory and p-adic L-functions, UCLA, 06/2010
UCLA Number Theory Seminar, 05/2010
Weihnachtsworkshop on Geometry and Number Theory, Universität Karlsruhe (TH), 12/2008
Séminaire Géométrie Arithmétique et Motivique, Université Paris 13, 06/2007
9th International Conference on Information Security and Cryptology, Busan, 11/2006