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Vanishing theorems for L2 Dolbeault cohomology groups of projective Hartogs triangles

Abstract

In this note, using J.-P. Demailly's L2 existence theorem for possibly incomplete Kähler metrics, we establish L2 estimates and vanishing theorems for a class of domains in ℙn without any boundary regularity assumptions. In particular, we give an affirmative answer to M.-C. Shaw's question concerning the vanishing of the L2 Dolbeault cohomology groups of projective Hartogs triangles.

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BibTeX
@misc{chen2026vanishing,
  title = {{Vanishing theorems for $L^2$ Dolbeault cohomology groups of projective Hartogs triangles}},
  author = {Jian Chen},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.37572},
  eprint = {2610.37572},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.37572},
}
RIS
TY  - UNPB
TI  - Vanishing theorems for L^2 Dolbeault cohomology groups of projective Hartogs triangles
AU  - Jian Chen
PY  - 2026
DA  - 2026/10/27
PB  - arXiv
DO  - 10.48550/arxiv.2610.37572
UR  - https://arxiv.org/abs/2610.37572
AB  - In this note, using J.-P. Demailly's L^2 existence theorem for possibly incomplete Kähler metrics, we establish L^2 estimates and vanishing theorems for a class of domains in ℙ^n without any boundary regularity assumptions. In particular, we give an affirmative answer to M.-C. Shaw's question concerning the vanishing of the L^2 Dolbeault cohomology groups of projective Hartogs triangles.
ER  -