Papers
Renormalization Proof for Massive $\phi_4^4$ Theory on Riemannian Manifolds
Christoph Kopper, Volkhard F. Müller open access link Commun.Math.Phys.275:331-372,2007On the relativistic KMS condition for the $P(\varphi)_2$ model
Christian Gerard, Christian D. Jäkel open access linkProg.Math.251:125-140,2007