A note on the existence of extension operators for Sobolev spaces on periodic domains

Martin Höpker; Michael Böhm

Comptes Rendus. Mathématique, Volume 352 (2014) p. 807-810

A periodic unfolding operator on certain compact Riemannian manifolds

Sören Dobberschütz; Michael Böhm

Comptes Rendus. Mathématique, Volume 350 (2012) p. 1027-1030