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.