Thomas Ludwig MPI MIS Leipzig http://personal-homepages.mis.mpg.de/ludwig/ Papers Wick rotation for quantum field theories on degenerate Moyal space(-time) Harald Grosse, Gandalf Lechner, Thomas Ludwig, Rainer Verch November 29, 2011 QFT on non-commutative spaces, Euclidean quantum field theories, deformations of quantum field theories open access link article file