2 papers
hep-th2000
Anomalies and Star Products
H. Römer, C. Paufler
A formulation of anomalies in terms of star products is suggested which promises insight from an alternative and unifying point of view.
hep-th1996
Multicomponent WKB and Quantization
C. Emmrich, H. Römer
Hamiltonians whose symbols are not simply real valued, but matrix or, more generally, endomorphism valued functions appear in many places in physics, examples being the Dirac equat…