Unitary, anomalous Master Ward Identity and its connections to the Wess-Zumino condition, BV formalism and $L_{\infty }$-algebras

Romeo Brunetti, Michael Dütsch, Klaus Fredenhagen +1

The C*-algebraic construction of QFT by Buchholz and one of us relies on the causal structure of spacetime and a classical Lagrangian. In one of our previous papers we have introdu…