Speaker
Gernot Eichmann
Summary
The Dyson-Schwinger/Bethe-Salpeter approach can serve as a microscopic tool to determine the hadronic contributions to
the muon g-2. I will discuss the basic ideas, their application to the hadronic vacuum polarization and the hLbL amplitude, and
their complementarity to other approaches such as lattice QCD, dispersion relations and models. The (model-independent) structure
of the LbL amplitude will be discussed along with the relevant momentum regions and its tensor basis that is constrained by transversality,
analyticity and symmetry under the permutation group S4.