Existing minimax, primal-dual, and fitted fixed-point estimators for marginalized importance weighting can leave residual occupancy-balance violations due to function-class approximation, regularization, or incomplete optimization

Existing minimax, primal-dual, and fitted fixed-point estimators can leave residual occupancy-balance violations because of function-class approximation, regularization, or incomplete optimization.

http://arxiv.org/abs/2608.24858v1