Abstract:Deep generative models provide state-of-the-art performance across a wide array of applications, with recent studies showing increasing applicability for science and engineering. Despite a growing corpus of literature focused on the integration of physics-based constraints into the generation process, existing approaches fail to enforce strict constraint satisfaction while maintaining sample quality. In particular, training-free constrained sampling methods, while providing per-sample feasibility guarantees, introduce a fundamental mismatch between the training objective and the constrained sampling procedure, often leading to performance degradation. Identifying this training-sampling misalignment as a central limitation of current constrained generative modeling approaches, this paper proposes Constraint-Aware Flow Matching, a novel end-to-end framework that explicitly incorporates constraint projections into the training objective. By aligning the model's learned dynamics with the constrained sampling process, the proposed method mitigates distributional shift induced by projection-based corrections, enabling high-quality constrained generation. The proposed approach is evaluated on three challenging real-world benchmarks, illustrating the generality and efficacy of the method.
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2605.12754 [cs.LG] |
| (or arXiv:2605.12754v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2605.12754 arXiv-issued DOI via DataCite (pending registration) |
From: Jacob Christopher [view email]
[v1]
Tue, 12 May 2026 21:07:13 UTC (812 KB)
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