Jørgen Ellegaard Andersen

An Algebraic Topology Approach to the Classification of Protein Domain Structures

Carsten Wiuf, Michael Knudsen, Robert Penner, 2008 .

Enumeration of chord diagrams on many intervals and their non-orientable analogs

Nikita Alexeev, Peter Zograf, Robert Penner, 2016 .

An Algebro-Topological Description of Protein Domain Structure

Carsten Wiuf, Michael Knudsen, Jørgen Ellegaard Andersen, 2011, PloS one.