Papers
Transplantation of Local Nets and Geometric Modular Action on Robertson-Walker Space-Times
Detlev Buchholz, Jens Mund, Stephen J. Summers open access linkMathematical physics in mathematics and physics (Siena, 2000), 65--81, Fields Inst. Commun. 30, Amer. Math. Soc., Providence, RI, 2001.
On generalizations of the spectrum condition
Rainer Verch open access linkFields Inst.Commun.30:409-428,2001