Prof.Dr.habil. Ilka Agricola

Past Conferences and Schools:

28.05.-02.06.2023: Spinorial and octonionic aspects of G_2 and Spin(7) geometry, Banff, Canada. This meeting is organised together with Spiro Karigiannis, Jason Lotay, Sergey Grigorian, and Shubham Dwivedi.

20.08.-26.08.2-23: Prospects in Geometry and Global Analysis at Castle Rauischholzhausen (near Marburg) - finally again!

24.09.-29.09.2023: BIRS Workshop Women in Geometry 3, Banff, Canada. Lead organizer is Catherine Searle. Ines Kath, Marie-Amelie Lawn, and I will head a team on spin geometry and special geometric structures.

14.03.-18.03.2022: MAM II - The Toral Rank Conjecture, Marburg. Finally!

12.06. - 19.06.2022: Seminar Sophus Lie @ Nordfjordeid, Norway - the birth place of Sophus Lie (postponed from 2021).

03.08.-05.08.2022: StuKon22, Studierenden– konferenz der DMV am MPI für Mathematik in den Naturwissenschaften, Leipzig (postponed from 2020).

28.08.-02.09.2022: Spaces, Structures, Symmetries in Bari, Italy.

12.09.-16.09.2022: Annual DMV Meeting in Berlin.

• 11.10.-15.10.2021: Workshop on Special Geometries on Riemannian Manifolds at UQAM in Montreal, Canada (postponed from 2020).
• 6.10.-12.10.2019: Dirac operators in differential geometry and global analysis – in memory of Thomas Friedrich (1949-2018) in Bedlewo, Poland.
• 27.-31.08.2018: New trends and open problems in Geometry and Global Analysis at Castle Rauischholzhausen
• 10.-14.10.2017: Fall School at Castle Rauischholzhausen, jointly organized by colleagues from Gießen and Marburg. Speakers: Nicolas Perrin (Versailles), Hansjörg Geiges (Köln), Mihaela Pilca (Regensburg), Anke Pohl (Jena).
• 11.-15.09.2017: ÖMG - DMV 2017 Meeting in Sa\ lzburg, Austria, with a special session on Differential Geometry and Topology (organizers: I. Agricola, A. Cap).
• "1. Marburger Arbeitsgemeinschaft Mathematik" on the Hopf problem (organizers: I. Agricola, G. Bazzoni, O. Goertsches, P. Konstantis, S. Rollenske). Marburg, 27.3.-31.3.2017.
• Lie Theory and Geometry in Rauischholzhausen (March 8 - 11, 2016), jointly organized by colleagues from Gießen and Marburg.
• Workshop on Almost Hermitian and Contact Geometry in Bedlewo near Poznan (18 - 24 October, 2015). Organizers: Ilka Agricola (Marburg), Thomas Friedrich (Berlin), Aleksy Tralle (Olsztyn).
• Meeting of the German Chapter of European Women in Mathematics in Rauischholzhausen (April 30-May 2, 2015). Organizers: Ilka Agricola and Dorothea Strauer (Marburg), Barbara Gentz (Bielefeld).
• 47th Seminar Sophus Lie in Rauischholzhausen. Organizers: Ilka Agricola and István Heckenberger (Marburg), Ralf Köhl (Gießen).
• Winter School in Torino (24-27 February 2014) with Ilka Agricola and Thomas Friedrich as main lecturers.
• Winter School on Quantum Ergodicity and Harmonic Analysis, 13.-15.11.2013. The speakers are N. Anantharaman (Orsay), J. Hilgert (Paderborn), S. Nonnenmacher (Saclay), R. Schubert (Bristol).
• Geometry Autumn School, 23.9.-26.9.2013. The speakers are L. Gatto (Torino) and P. Konstantis (Marburg)

• Spring School "The Weil representation and its applications", 18.2.-19.2.2013. The speaker is Prof. Dr. Yury Neretin, Universität Wien / Moscow State University.
• Workshop "Geometric structures on manifolds and their applications" at Castle Rauischholzhausen, July 1-7, 2012.
• Seminar Sophus Lie (January 7-8, 2011) in Rauischholzhausen
  
• Workshop "Lie theory and complex geometry" (November 4-6, 2010) in Marburg
• Workshop "Dirac operators and special geometries" (Sept. 2009 at Castle Rauischholzhausen near Marburg)
• "Seminar Sophus Lie" in Göttingen (July 10-11, 2009)
  
• Special Geometries in Mathematical Physics II in Kühlungsborn (Baltic Sea) March 30 - April 5, 2008.
• Workshop on "Deformations of Complex Structures" in Berlin, December 17-18, 2007.
• Minisymposium on "Global Analysis" in Berlin, March 29-30, 2007.
• Special Geometries in Mathematical Physics in Kühlungsborn (Baltic Sea) March 12-18, 2006. Includes the files of most talks!
• Geometrie-Kolloquium aus Anlass des 75. Geburtstages von Prof.Dr.habil. Rolf Sulanke (14.10.2005)

Gemeinsames Mathematisches Kolloquium mit Gießen:

- SS 2011: Prof. Huisken am 15.6.2011 (in MR), "Geometrische Evolutionsgleichungen für die Deformation von Flächen"

- WS 2011/12: Prof. Ziegler am 23.1.2012 (in GI), "From cutting polygons to cohomology of configuration spaces - a sightseeing trip"

- SS 2012: Prof. Wolfgang Lück von der Universität Bonn am 13.6.2012 (in MR), "L_2-Betti numbers and their applications"

- WS 2012/13: Prof. Harder von der Universität Bonn am 13.6.2012 (in GI), "Cohomology of arithmetic groups".

- SS 2013: Prof. Dr. Barbara Wohlmuth von der TU München am 19.6.2013 (in MR), "Consistent Modelling of Interface Conditions for Multi-Physics Applications".

- SS 2014: Harald Andrés Helfgott aus Paris am 25.6.2014 (in MR), "The ternary Goldbach conjecture".

- WS 2014/15: Prof.Dr. Alain Valette aus Neuchâtel/Schweiz am 11.02.2015 (in GI).

- SS 2015: Prof. Dr. Hans-Otto Peitgen aus Bremen am 08.07.2015 (in MR), "Wie Mathematik in der onkologischen Medizin helfen kann".

- WS 2015/16: Prof. Dr. Bertrand Remy von der Ecole Polytechnique, Palaiseau am 20.1.2016 (in GI), "Tilings, groups, buildings".

- SS 2016: Prof. Dr. Fabrizio Catanese (Universität Bayreuth), geplant am 11.5.2016, wg. Krankheit verschoben auf den 19.10.2016 (in MR), "Configurations of lines and interesting algebraic surfaces".

Activities in the Winter Term 2012/13:

- Mathematisches Kolloquium am 21.11.2012: Es spricht PD Dr. Katharina Habermann (Göttingen) [Poster].

Activities in the Winter Term 2010/11: Festkolloquium des Fachbereichs am 2.2.2011 [Fotos]

Activities in the Summer Term 2009:

- Öffentlicher Vortrag "Mathematik und Demokratie" von Prof. Dr. Friedrich Pukelsheim, Alte Aula, 18. Mai, 17 Uhr [Poster]

- Antrittsvorlesung "Dirac-Operatoren und Geometrie", Alte Aula, 1. Juli, 18 Uhr. Bitte bei Frau Teubner anmelden!

Activities in the Summer Term 2008:

Concert "A Swing in the Park" by Consortium Musicum Bünde - Music from five centuries by Gabrieli, Franck, Telemann and others
Saturday 28 June, 7 p.m., Ernst-Reuter-Saal (Reuter-Haus, Dorotheenstr. 24) [map] [poster]

Activities in the Winter Term 2006/07:

Klausurtag 13. Oktober 2006:

Klausurtag der Arbeitsgruppe "Globale Analysis und Differentialgeometrie" ganztägig im Raum 1.410. Anschließend feierliche Verabschiedung von Pablo Ramacher.

Dr. S. Chiossi and Dr. R. Cleyton will organize a seminar on Deformation theory of complex structures.

Dr. habil. Ilka Agricola organisiert ein Seminar über Lie-Gruppen und homogene Räume.

Activities in the Winter Term 2004/05:

Prof. Dr. Andrew Swann (Odense) will give two 90-minutes lectures on

Quaternions and special holonomies.

Schedule: Monday, 24.01.2005 9:15-11:45 and Wednesday, 26.01.2005, 11:15-12:45 in the Seminar Room 1.315.

Abstract: The talks will circle around bundle constructions for metrics with reduced holonomy, like the Bryant-Salamon construction of G2 metrics and constructions of hypercomplex manifolds and twistor spaces based on the speaker's previous work.

Activities in the Winter Term 2003/04

Dr. Pawel Nurowski will give a series of 5 talks entitled

Introduction to Cartan's equivalence method.

Schedule: Tuesday 11.00-12.30 (!), room 4.005, Begin: 18.11.2003, end: 16.12.2003. See also the homepage of the Seminar "Special geometries and Holonomy".

The lectures will be based on the textbook:

P. Olver "Equivalence, Invariants and Symmetry", Cambridge University Press, 1996, Ch. 8-13.

Other references of interest are:

• H. Jacobowitz "An Introduction to CR structures", American Mathematical Society, 1990, Ch."Background for Cartan's Work"
• R. W. Sharpe "Differential Geometry Cartan's generalization of Klein's Erlangen program", Graduate Texts in Mathematics, Springer, 2000
• R. Bryant, S-S. Chern, R.B. Gardner, H. Goldschmidt, P. Griffith, "Exterior Differential Systems", Springer, 1990