AUTHOR=Abalos Fernando , Reula Oscar , Hilditch David TITLE=Hyperbolic extensions of constrained PDEs JOURNAL=Frontiers in Physics VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2024.1517192 DOI=10.3389/fphy.2024.1517192 ISSN=2296-424X