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Ulfgardleo t1_j6vzpgz wrote

There is only very little research. They are a nice theoretical idea, but the concept is very constraining and numerical difficulties make experimenting hell.

I am not aware of any active research and I think they never were really big to begin with.

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based_goats t1_j6xg1fv wrote

See my comment for flows used as an alternative for ABC.

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