**Ingrid
Irmer's Webpage**

I am at the MPI, Bonn, for the year 2018-2019. CV

**Contact
Information: **

Office: 207

Tel : +49 228 4020244

**e-mail:**
iirmer(at)mpim-bonn(dot)mpg(dot)de

**Specific
Research Interests:**

Low dimensional topology; mapping class groups, fibrations of 3- and 4-manifolds. Morse theory and Lorentzian geometry.

**Research
Papers and Preprints**

__Geometry
of the Homology Curve Complex__ Journal
of Topology and Analysis. Volume 4 number 3 (2012) 335-359.

__A
Curve Complex and Incompressible Surfaces in SxR
__arXiv:1108.4206v4
(2011).

Mesh editing in nonlinear constrained shape spaces (with O. Burghard, M. Hermann and R. Klein) Preprint (2012).

The Chillingworth class is a signed stable length Algebraic and Geometric Topology Volume 15 number 3 (2015), 1863-1876.

__Stable
lengths on the pants graph are rational__ New
York Journal of Mathematics. Volume 21 (2015) 1153-1168.

__Critical
levels and Jacobi fields in a complex of cycles__
Osaka Journal of
Mathematics, Volume
54, Number 3 (2017), 475-497.

__Fibering
rigidity of 3-manifolds with Torelli monodromy__
arXiv:1502.03912 (2015).

__Lifts
of simple curves in finite regular coverings of closed surfaces__
Geometriae Dedicata
volume 194 (2018) in press.

Examples of covering properties of boundary points of space-times International Journal of Geometric Methods in Modern Physics, in press. (2017)

__Immersed
stable commutator length on surfaces is computable__
Draft, available on
request (2018).

__Finding
simple curves in surface covers is undecidable__
to appear, Geometriae Dedicata.

**Dessertations**

PhD Thesis The Curve Graph and Surface Construction in SxR

Honours Thesis Unusual Properties - Mathematical and Physical - of the a-boundary Construction

Other links: Stavros