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Harmonic map flow for almost-holomorphic maps

Differential Geometry 2025-01-07 v3 Analysis of PDEs

Abstract

Let Σ\Sigma be a compact oriented surface and NN a compact K\"ahler manifold with nonnegative holomorphic bisectional curvature. For a solution of harmonic map flow starting from an almost-holomorphic map ΣN\Sigma \to N (in the energy sense), the limit at each singular time extends continuously over the bubble points and no necks appear.

Keywords

Cite

@article{arxiv.2009.07242,
  title  = {Harmonic map flow for almost-holomorphic maps},
  author = {Chong Song and Alex Waldron},
  journal= {arXiv preprint arXiv:2009.07242},
  year   = {2025}
}

Comments

Revised version following referee reports

R2 v1 2026-06-23T18:33:56.568Z