Überblick
a) Organisation von Konferenzen
b) Plenare und 1stündige Vorträge an Konferenzen von 2001 bis dato
c) Sektionsvorträge an Konferenzen
d) Frühere Konferenzen
a) Organisation von Konferenzen
 Organisation der GAGTAKonferenzen (http://gagta.org/)
 Hauptorganisator der internationalen Konferenz "Geometric and Combinatorial Group Theory with Applications
GAGTA6",
HeinrichHeineUniversität Düsseldorf, 25. Juli3. August 2012
(http://reh.math.uniduesseldorf.de/~gcgta/)
Sponsoren: DFG, Gesellschaft von Freunden und Förderern der HeinrichHeineUniversität,
Mathematisches Institut
der HeinrichHeineUniversität Düsseldorf
 Organisator des Minisymposiums im Rahmen der DMV–Jahrestagung 2011 "Geometrische Gruppentheorie",
Universität Köln, 19.22. September 2011
 Mitglied des Scientific Committees der internationalen Konferenz "Geometric and Asymptotic Group Theory with Applications"
(GAGTA5), Manresa, Barcelona (Spanien), 11.15. Juli 2011
(http://www.epsem.upc.edu/~gagta5)
 Hauptorganisator des Minisymposiums im Rahmen der DMV–Jahrestagung "Combinatorial and geometric group theory",
Universität Erlangen,
14.19. September 2008
(http://www.mi.unierlangen.de/~dmvadmin/dmv08/vortragprogramm/minisymposien.shtml)
 Hauptorganisator der internationalen Konferenz, "Combinatorial and Geometric Group Theory with Applications",
Technische Universität Dortmund, 27.31. August 2007
Sponsoren: DAAD, DFG
(http://www.mathematik.unidortmund.de/~gcgta)
 Coorganisator der Malt'sevTagung, Institut für Mathematik der
SB RAS, Novosibirsk (Russland), 17.19. November 1998
(http://math.nsc.ru/conference/malmeet/index.htm)
Teilnahme an Konferenzen mit Vorträgen
b) Plenare und 1stündige Vorträge an Konferenzen von 2001 bis dato
 Gliwice (Poland), September 913, 2019, Groups and their actions (http://mat.polsl.pl/groups/)
Plenary talk: "Equations in acylindrically hyperbolic groups. Algebraic, verbal, and existential
closedness
of subgroups of groups"
 Seoul (Korea), July 1620, 2018, Geometric and Asymptotic Group Theory with Application (GAGTA 2018) https://sites.google.com/view/gagta2018/home
Plenary talk: "Equations in acylindrically hyperbolic groups and verbal closedness"
 Regensburg (Germany), Sept. 2529, 2017, Manifolds and Groups
http://wwwapp.uniregensburg.de/Fakultaeten/MAT/sfbhigherinvariants/images/sfb_mag2017.pdf
 Novosibirsk (Russia), November 2125, 2016, Mal’cev Meeting,
http://math.nsc.ru/conference/malmeet/16/Main_e.htm
Plenary talk: "From local to global conjugacy in relatively hyperbolic groups"
 New York (USA), June 13 – 17, 2016, Geometric and Asymptotic Group Theory with Applications (GAGTA10),
http://web.stevens.edu/algebraic/GAGTA2016/program.php
Plenary talk: "From local to global conjugacy in relatively hyperbolic groups"
 Bedlewo (Poland), June 2226, 2015, International conference „Groups and their Actions“, http://mat.polsl.pl/groups/
Main Speaker
 Bonn (Germany) December 5, 2014, Geometric Group Theory in Bonn
Plenary talk: An algorithm for finding a basis of the fixed point subgroup of an automorphism of a free group
 Poznan (Poland), September 17 – 19, 2014, German Mathematical Society (DMV) and Polish Mathematical Society (PTM), (http://dmv.ptm.org.pl (http://dmv.ptm.org.pl/37session.html)
Talk: "Generalized presentations of groups, in particular of Aut(F )"
 Newcastle (QL, Australia), July 21 – 25, 2014, Geometric and Asymptotic Group Theory with Applications (GAGTA8)
Plenary talk: Infinite words and generalized presentations of groups versus classical combinatorial group theory
 New York (USA), May 28th – 31st, 2013, Internationale Konferenz "Geometric and Asymptotic Group Theory with Applications", (http://www.stevens.edu/algebraic/GAGTA/index.htm)
Plenary talk: An efficient algorithm for computing a basis of the fixed point subgroup of an automorphism of a free group
 South Padre Island (USA), March 21st – 24th, 2013, Internationale Konferenz G3 (http://www.math.uiuc.edu/~mineyev/ggg/)
1. Plenary talk: Introduction to train track
2. Plenary talk: An efficient algorithm for computing the fixed point subgroup of an automorphism of a free group
 BarcelonaBellaterra (CRM) (Spain), November 10th, 2012,
Workshop for the International conference on automorphisms
of free groups
1hour talk: A basis of the fixed point subgroup of an automorphism of a free group
 Düsseldorf (Germany) July 25th – August 3rd, 2012, Internationale Konferenz "Geometric and Combinatorial
Group Theory with Applications" (GAGTA6)
Plenary talk: A basis of the fixed point subgroup of an automorphism of a free group
 Köln (Germany) September 19th – 22th, 2011, Minisymposium "Geometrische Gruppentheorie" in frames of the
DMVJahrestagung 2011.
1hour talk: Generalized presentations of infinite groups, in particular of Aut(Fw)
 Manresa (Barcelona, Spain), July 11th  15th, 2011, International conference "Geometric and Asymptotic Group Theory"
Plenary talk: Some new residual properties of groups
 Omsk (Russia), August 16th  22nd, 2009, International Workshop “New AlgebraLogical Methods in Solution for Systems
of Equations in Algebraic Structures”
(http://omskconf2009.oscsbras.ru/eng.program.html)
1hour talk: Conjugacy separability for subgroups of virtually free groups
 Barcelona (Spain), April 24th  25th, 2009, 4th Barcelona Weekend in Group Theory.
Invited talk: On endomorphisms of torsionfree hyperbolic groups
 Alagna Valsesia (Italy), December 14th  20th, 2008, MakaninRazborov Workshop
(http://www.mas.ncl.ac.uk/~najd2/alagna/)
1hour talk: On the fundamental and the first homology groups of the Hawaiian Earrings and of Griffiths' space
 Düsseldorf (Germany), November 26th  28th, 2008
Workshop "Algebra, Geometry, Arithmetic, Dynamics Related to the Solvable Radical
and Representations of Finite Groups"
(http://www.math.uniduesseldorf.de/~grunewald/Conf2008/nov2008.html)
1hour talk: On the fundamental and the first homology groups of the Hawaiian Earrings and of Griffiths' space
 Erlangen (Germany), September 14th  19th, 2008,
Minisymposium "Combinatorial and geometric group theory"
in frames of the DMV–Jahrestagung
1. 1hour talk: A presentation of a subgroup of Fn × Fn with unsolvable membership problem
2. 1hour talk: On the fundamental and the first homology groups of the Hawaiian Earrings and of Griffiths' space
 Manreza, Barcelona (Spain), August 31th  September 4th, 2006;
Geometric and asympthotic group theory with applications
(http://www.epsem.upc.edu/~gagta/program_en.shtml)
Plenary talk: On a Magnus property for some onerelator groups
 Piestany (Slovak), July 16  20, 2005, Workshop "Equations in Groups and Applications of Algebraic Methods
in Computer Science and Cryptology"
(http://www.geocities.com/slovakia conference/program.htm)
1hour talk: Some methods of detecting the hyperbolicity for one relator groups
 Novosibirsk (Russia), November 1719, 2003, Mal’cev Meeting 03,
(http://math.nsc.ru/conference/malmeet/03/Main.htm)
(http://math.nsc.ru/conference/malmeet/03/Prog.rtf)
Plenary talk: On Dehn functions of groups
 Novosibirsk (Russia), November 21–23, 2001, Mal’tsev Meeting 01, (http://math.nsc.ru/conference/malmeet/01/Prog win.htm)
Plenary talk: On Magnus’ theorem for fundamental groups of compact surfaces
c) Sektionsvorträge an Konferenzen
 Tel Aviv, Bar Ilan University (Israel), Mai 2630, 2019, Geometric and Asymptotic Group Theory with Application (GAGTA 2019)
(http://u.math.biu.ac.il/~vishne/Conferences/GAGTA2019/program.html)
Talk: Algebraically and verbally closed subgroups of groups: Equations in acylindrically hyperbolic groups
 Salzburg (Austria), September 11 – 15, 2017, 19th ÖMG Congress and Annual DMV Meeting,
Minisymposion M2 Fractals and Wild Topology
Talk: The automorphism group of the free group of infinite countable rank. A survey.
 Poznan (Poland), September 17 – 19, 2014, German Mathematical Society (DMV) and Polish Mathematical Society (PTM), (http://dmv.ptm.org.pl (http://dmv.ptm.org.pl/37session.html)
Talk: Generalized presentations of groups, in particular of Aut(Fw)
 Braunschweig (Germany), May 21 – 24, 2013,
Workshop "Questions, Algorithms, and Computations in Abstract Group Theory", (http://www.icm.tubs.de/ag_algebra/wsqac/index.php)
Talk: An efficient algorithm for computing the fixed point subgroup of an automorphism of a free group
 Braniewo (Poland), July, 24 – 25, 2010, "WeierstraßKillingColloquium".
(http://mat.ug.edu.pl/index.php?url=mod/article.php&id=356)
Talk: On generalized conjugacy separability in the class of virtually free groups
 Novosibirsk (Russia), August, 24 – 28, 2009,
Mal’tsev Meeting
Talk: Conjugacy separability for subgroups of virtually free groups
 Göttingen (Germany), November, 17 – 21, 2008,
Summer School 'Geometric inbariants of groups'
(http://www.unimath.gwdg.de/www/archiv.html)
Talk: On the fundamental and the first homology groups of the Hawaiian Earrings and of Griffiths' space
 Oberwolfach (Germany), June 22 – 28, 2008,
Workshop "Profinite and Asymptotic Group Theory"
(http://www.mfo.de/programme/schedule/2008/)
Talk: The conjugacy problem for some extensions of groups and a presentation of Mihailova’s subgroup
 Bendlewo (Poland), July, 1 – 7, 2007,
International conference "Groups and their actions"
(http://mat.polsl.pl/groups/index2.html)
Talk: Subgroups of small index in Aut(Fn) and Kazhdan's property (T)
 Marseille, CIRM (France), Februar, 26 – März 2, 2007,
International conference "Groups 007"
(http://www.latp.univmrs.fr/~coulbois/Groups007/index.html)
Talk: Subgroups of small index in Aut(Fn) and Kazhdan's property (T)
 Novosibirsk (Russia), November, 15 – 17, 2005,
Maltsev Meeting 05.
(http://www.math.nsc.ru/conference/malmeet/05/Main_e.htm)
(http://www.math.nsc.ru/conference/malmeet/05/Main.htm)
Talk: On the generalized Whitehead problem for hyperbolic groups
 Barcelona (Spain), Juni 28 – Juli 2, 2005,"Barcelona Conference on Geometric Group Theory".
Talk: Endomorphisms of hyperbolic groups
 Mainz (Germany), June 16 – 19, 2005;
2nd Joint Meetring of AMS, DMV, ÖMG
(http://www.mathematik.unimainz.de/mainz2005/programm/CP.pdf)
Two Talks:
1) The conjugacy problem in freebyhyperbolic groups
2) On the generalized Whitehead problem for hyperbolic groups
 Bendlewo (Poland), April 18 – 24, 2004,
Conference on "Geometric group theory"
(http://www.math.uni.wroc.pl/ggt/geom04)
Talk: Mean Dehn functions of groups
 Sankt Petersburg (Russia), September 11 – 22, 2002,
"International Algebraic Conference dedicated to the memory of Z.I. Borevich"
(http://www.umsolver.com/proceedings.htm)
Talk: An analogue of a theorem of Magnus for fundamental groups of surfaces
 Sevilla (Spain), June 18 – 21, 2003,
First Joint Meeting AMS/RSME
(http://www.ma4.upc.edu/~burillo/sevilla.html)
Talk: An analogue of a Magnus' theorem for surface groups an some other onerelator groups
 Ustron (Poland), June 10 – 14, 2003,
International Conference "Groups and Group Rings"
(http://mat.polsl.pl/groups/starekonf/a2.html)
 Gaeta (Italy), June 1 – 6, 2003,
International Conference "Geometric, Combinatorial and Dynamical Aspects of Infinite Groups"
d) Frühere Konferenzen
 Cortona (Italy), 2002
 Hattingen (Germany), 2001
 Haifa (Israel), 2000
 Warwick (England), 1999
 Southampton (England), 1997
 Anogia, Crete (Greece), 1996;
 L’vov (Ukraine), 1987;
 Gomel (Belorussia), 1986
 Krasnoyarsk (Russia), August 23 – 28, 1993,
"The IIIrd International Conference on Algebra"
Plenary talk: Finitely generated groups with the M. Hall property
