@article{gepcgroupequivariantposteriorconsistency, title = {GEPC: Group-Equivariant Posterior Consistency for Out-of-Distribution Detection in Diffusion Models}, author = {Yadang Alexis Rouzoumka and Jean Pinsolle and Eugénie Terreaux and Christèle Morisseau and Jean-Philippe Ovarlez and Chengfang Ren}, year = {2026}, eprint = {2602.00191}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.00191}, }