Dr. Olga Varghese
Department of Mathematics
OvGU Magdeburg
Universitätsplatz 2
39106 Magdeburg
Email: olga.varghese [at] ovgu.de
Note: I've moved to hhu Düsseldorf. My new website can be found here.
Research interests
Geometric Group Theory
Publications and preprints
- Philip Möller, Luis Paris and Olga Varghese.
On parabolic subgroups of Artin Groups.
Preprint, (2022). - Daniel Keppeler, Philip Möller and Olga Varghese.
Automatic continuity for groups whose torsion subgroups are small.
Preprint, (2021). - Philip Möller and Olga Varghese.
Abstract group actions of locally compact groups on CAT(0) spaces.
To appear in GGD, (2021). - Olga Varghese.
Automorphism groups of Coxeter groups do not have Kazhdan's property (T).
Preprint, (2020). - Samuel M. Corson and Olga Varghese.
A Nunke type classification in the locally compact setting.
Journal of Algebra 563 (2020), 49-52. - Olga Varghese.
On number of ends of graph products of groups.
Communications in Algebra 48 (2020), no. 6, 2418–2427. - Nils Leder und Olga Varghese.
A note on locally elliptic actions on cube complexes.
Innovations in Incidence Geometry: Algebraic, Topological and Combinatorial 18-1 (2020), 1-6. - Olga Varghese.
On hyperbolicity and virtual freeness of automorphism groups.
Geometriae Dedicata 207 (2020), 51–60. - Olga Varghese.
The automorphism group of the universal Coxeter group.
To appear in Expositiones Mathematicae, (2019). - Linus Kramer and Olga Varghese.
Abstract homomorphisms from locally compact groups to discrete groups.
Journal of Algebra, vol. 538, (2019), 127-139. (2019). - Anthony Genevois and Olga Varghese.
Conjugating automorphisms of graph products: Kazhdan's property (T) and SQ-universality.
Bulletin of the Australian Mathematical Society 101 (2020), no. 2, 272–282. - Olga Varghese.
A condition that prevents groups from acting fixed point free on cube complexes.
Geometriae Dedicata 200 (2019), no. 1, 85–91. - Olga Varghese.
On coherence of graph products of groups and Coxeter groups.
Discrete Mathematics, vol. 342(7), (2019), 2100-2105. - Olga Varghese.
Planarity of Cayley graphs of graph products of groups.
Discrete Mathematics, vol. 342(6), (2019), 1812-1819. - Olga Varghese.
Representations of groups with CAT(0) fixed point property.
Archiv der Mathematik, vol. 111(3), (2018), 231-238. - Olga Varghese.
Actions of SAut(Fn ).
Archiv der Mathematik, vol. 110(4), (2018), 319-325. - Olga Varghese.
Fixed points for actions of Aut(Fn ) on CAT(0) spaces.
Münster Journal of Mathematics, vol. 7, (2014), 439-462.
Further writings
- Nils Leder and Olga Varghese.
On property (T) for automorphism groups of graph products.
(2019).
CV
- since 2021 DFG-project in Magdeburg
- 2016-2017 half a year parental leave and half a year part time
- 2016 Birth of a second child
- 2015-2020 Post-Doc position in Münster
- 2012-2013 visiting Benson Farb at University of Chicago
- 2010-2015 PhD studies at the WWU Münster
- 2007 Birth of a first child
- 2005-2010 studies of mathematics and computer science at the WWU Münster
Teaching
- WS 18/19 Lesekurs: Office hours with a geometric group theorist , WWU Münster.
- SS 18 Seminar Rechtwinklige Artin-Gruppen , WWU Münster.
- WS 17/18 Seminar Gruppentheorie und Geometrie , WWU Münster.
- SS 17 Vorlesung Gebäude , WWU Münster.
- SS 16 Seminar Gruppentheorie und Geometrie , WWU Münster.
- WS 15/16 CAT(0) kubische Komplexe , WWU Münster.
- SS 15 Übungen zur Grundlagen der Analysis, Geometrie und Topologie , WWU Münster.
- SS 15 Seminar Gruppentheorie und Geometrie , WWU Münster.
- WS 14/15 Übungen zur Einführung in die Algebra , WWU Münster.
- SS 14 Übungen zur Linearen Algebra II , WWU Münster.
- WS 13/14 Übungen zur Linearen Algebra I , WWU Münster.
- SS 2012 Seminar Gruppentheorie und Topologie WWU Münster, mit Daniel Skodlerack und Stefan Witzel.
- SS 2011 Übungen zur Gruppentheorie , WWU Münster, mit Daniel Skodlerack und Stefan Witzel.
- WS 10/11 Übungen zur Analysis III , WWU Münster, mit Andreas Wörner.
- WS 10/11 Tutorium und Repetitorium zur Analysis III, WWU Münster.