@Misc{ 
  PigTod25b,
  author = { Pigazzini, Alexander and Toda, Magdalena },
  title = { Cohomological Calibration and Curvature Constraints on Product Manifolds: A Topological Lower Bound },
  journal = {  },
  year = { 2025 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/621/ },
  note = { cvgmt preprint}
}