My Photo

summer 2018

Wojciech J. Gajda

professor of mathematics

Mailing address:

Faculty of Mathematics and Computer Science

Adam Mickiewicz University

Umultowska 87, 61-614 Poznań, POLAND

Office: Collegium Mathematicum, B1-35

Phone: +48 (61) 829 5503

Fax: +48 (61) 829 5315

Email: gajda AT amu DOT edu DOT pl

Research interests:

arithmetic geometry, number theory, algebraic topology, algebraic K-theory

Recent papers:

Finiteness properties of torsion fields of abelian varieties, preprint 2024.
Remarks on a theorem of Pink in presence of bad reduction, preprint 2023.
Local to global principles for homomorphisms of abelian schemes, (with S.Petersen), Israel Journal of Mathematics 257 (2023), 281–312.
On the semisimplicity of reductions and adelic openness for E-rational compatible systems over global function fields, (with G. Böckle and S. Petersen), Transactions of the AMS, vol. 372 no.8 (2019), 5621-5691.
A variational open image theorem in positive characteristic , (with G. Böckle and S. Petersen), Jour. Th. Nombr. de Bordeaux, vol. 30 no.3 (2018), 965-977.
Independence of \ell-adic representations of geometric Galois groups, (with G. Böckle and S. Petersen), Jour. für die reine und angew. Mathematik, 736 (March 2018), 69-95.
On cohomological systems of Galois representations , (with S. Petersen), Banach Centre Publs., 108 (2016), 49-62.
Independence of \ell-adic Galois representations over function fields, , (with S. Petersen) Compositio Mathematica, 149 (2013), no. 7, 1091-1107.
Abelian varieties over finitely generated fields and the Geyer-Jarden conjecture,(with S. Arias-de-Reyna, S. Petersen), Math. Nachr., 286 (2013), 13, 1269 - 1286.
Big monodromy theorem for abelian varieties over finitely generated fields, (with S. Arias-de-Reyna, S. Petersen), J. Pure Appl. Algebra, 217 (2013), no. 2, 218-229.
On the image of Galois ell-adic representations for abelian varieties of type III ,(with G. Banaszak, P. Krasoń), Tohoku Math. J. (2) 62 (2010), no. 2, 163–189.
Linear dependence in Mordell-Weil groups, (with K.Górnisiewicz), Jour. für die reine und angew. Mathematik, 630 (2009), 219-233.
A note on generators of even-numbered K-groups of rings of integers ,(with C. Greither), Math. Res. Lett., 16 (2009), 845-850.

Surveys:

On mathematics of Zdzisław Krygowski, (in Polish) in "Zdzisław Krygowski, Prace wybrane", Wydawnictwo PTPN (2011), 4-26.
On K_(Z) and classical conjectures in the arithmetic of cyclotomic fields, Contem. mathematics series of the AMS, 349 (2004), 217-237

Last modified: 16.11.2022