A. Hyder, L. Martinazzi:
Conformal metrics on $R^{2m}$ with constant Q-curvature, prescribed
  volume and asymptotic behavior
(Submitted Paper) http://arxiv.org/abs/1401.0944 2014

A. Hyder, S. Iula, L. Martinazzi:
Large blow-up sets for the prescribed Q-curvature equation in the
  Euclidean space
(preprint) http://arxiv.org/abs/1610.06820 2016

A. Hyder, L. Martinazzi:
Gluing metrics with prescribed $Q$-curvature and different asymptotic
  behaviour in dimension $6$
(preprint) http://arxiv.org/abs/1804.09261 2018