Assistant Professor Department of Mathematics

Assistant Professor Ingrid Irmer: born in May 1981, nationality: Australia, Germany, language: English, German. Started to work in 2011.

South University of science and technology Present-08/2019

Max Planck Institute, Bonn 1/07/2018-30/06/2019

Technion, Haifa, Israel 9/2017-5/2018

University of Melbourne 10/2016-6/2017

Tubitak foreign research fellowship, METU, Ankara 7/2015-7/2016 ¨

Resident Tutor, St. Mary’s College, University of Melbourne 12/2014-6/2015

Florida State University, Florida 8/2014-12/2014

JSPS Fellow, University of Tokyo 6/2014-8/2014

Post-doctoral position, National University of Singapore 9/2012-7/2014

ICERM Postdoc, Brown University 9/2013-12/2013

“Wissenschaftliche Mitarbeiterin” Institut fur Informatik II (computer graphics), ¨

Universitat Bonn 1/2011-6/2012

Personal Profile


Low dimensional geometry/topology, mapping class groups, Lorentzian geometry.

Publications Read More

1. Geometry of the homology curve complex, Journal of Topology and Analysis 4 3 (2012)


2. The Chillingworth class is a signed stable length, Algebraic and Geometric Topology 15

3 (2015) 1863–1876.

3. Stable lengths on the pants graph are rational, New York Journal of Mathematics, 21

(2015) 1153–1168.

4. Critical levels and Jacobi fields in a complex of cycles, Osaka Journal of Mathematics,


5. Lifts of simple curves in finite regular coverings of closed surfaces, accepted to Geometriae Dedicata arXiv:1508.04815.

6. Examples of covering properties of boundary points of space-times, accepted to International Journal of Geometric Methods in Modern Physics arXiv:1711.04167.

7. Finding simple curves in surface covers is undecidable, accepted to Geometriae Dedicata



1. A curve complex and incompressible surfaces in S × R, preprint 2011


2. Mesh editing in nonlinear constrained shape spaces, (with O. Burghard, M. Hermann

and R. Klein), preprint 2012.

3. Fibering rigidity of 3-manifolds with Torelli monodromy, preprint 2015


4. Immersed stable commutator length on surfaces is computable, preprint 2019.

5. The twist-coffinite topology on the mapping class group of a surface preprint 2020 arXiv:2003.11212

News More

  • Opening Ceremony for SUSTech International Center for Mathematics


Lab members Read More

Join us

The SUSTech International Center for Mathematics, officially established on February 22, 2019, is a scientific research center funded by Shenzhen Municipal Government and located in Southern University of Science and Technology. The Scientific Director is Fields Medalist Efim Zelmanov.

It aims to advance scientific research in pure mathematics as well as applied and computational mathematics in Shenzhen, the Pearl River Delta region and beyond. The Center will focus on important research fields in both pure and applied mathematics. Its primary goal is to promote the basic research in mathematics and advance interdisciplinary research of mathematics in life science, information science, engineering, and finance, etc.

The governing of the Center will be in accordance with international standards for major international mathematics centers. It provides first-class research environment for researchers and visitors alike, hosting annual thematic programs and focused research groups.

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Contact Address

201 Jinqizhigu Building, No.1 Tangling Road,Shenzhen, P.R. China

Office Phone

+86 0755-8695 8748-8061


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