
Dr Mark Hagen
PhD(McGill), BSc(Lond.)
Current positions
Associate Professor
School of Mathematics
Contact
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Research interests
Geometric group theory.
Projects and supervisions
Research projects
New Implications of Arboreality and Hyperbolicity for Groups
Principal Investigator
Managing organisational unit
School of MathematicsDates
01/08/2018 to 28/02/2021
Thesis supervisions
Publications
Selected publications
10/06/2021Deforming cubulations of hyperbolic groups
Journal of Topology
Quasiflats in hierarchically hyperbolic spaces
Duke Mathematical Journal
Projection complexes and quasimedian maps
Algebraic and Geometric Topology
Some examples of separable convex-cocompact subgroups
Bulletin of the London Mathematical Society
Large facing tuples and a strengthened sector lemma
Tunisian Journal of Mathematics
Recent publications
23/03/2026A combinatorial structure for many hierarchically hyperbolic spaces
Pacific Journal of Mathematics
Combination theorems for Wise's power alternative
Journal of the London Mathematical Society
Uniform undistortion from barycentres, and applications to hierarchically hyperbolic groups
Analysis and Geometry in Metric Spaces
Characterizing hierarchically hyperbolic free by cyclic groups
Characterizing hierarchically hyperbolic free by cyclic groups
A combinatorial take on hierarchical hyperbolicity and applications to quotients of mapping class groups
Journal of Topology