HAP has been supported by

- A Marie Curie Development Host Fellowship based at NUI Galway (HPMD-CT-2001-00079).
- A Marie Curie Development Host Fellowship based at NUI Galway (Computational Homological Algebra (COHO), FP6 Mobility, Project Id. 42685).
- The Irish Research Council postgraduate fellowship scheme.
- The Irish Research Council postdoctoral fellowship scheme.
- The National University of Ireland, Galway postgraduate fellowship scheme.
- The hospitality of Wuppertal University Mathematics Department in 2005-2006.
- The hospitality of the Institute for Science and Technology Austria 2014-2015.