Classification of conformal anomalies

[maverick280857]

I know what a Weyl anomaly is. I see terms like "type-A" anomaly and "D-type" anomalies in the literature. What does this classification refer to, and where was it originally introduced?

Specifically, what does a D-type Weyl anomaly mean?

 

[Greg Bernhardt]

I'm sorry you are not generating any responses at the moment. Is there any additional information you can share with us? Any new findings?