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Intrinsically harmonic forms and characterization of flat circle bundles. (arXiv:2205.14190v1 [math.DG]) http://arxiv.org/abs/2205.14190
Intrinsically harmonic forms and characterization of flat circle bundles. (arXiv:2205.14190v1 [math.DG]) http://arxiv.org/abs/2205.14190