TRACE ANOMALY THROUGH THE SCHWINGER-DYSON EQUATION

In analogy to what happens with the chiral anomaly, we show that the trace (conformal) anomaly can also be understood as a discrepancy between classical and quantum field equations. We work out explicitly a simple example using a regularization similar to that employed by Tsutsui. We also show how to generalize this kind of regularization in order to establish a connection with other ones. like the generalized zeta-function method.