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@incollection{DeGiorgi1979,
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@misc{LLWWW2026,
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  eprint = {2609.21680v1},
  archivePrefix = {arXiv},
  primaryClass = {math.AP},
  note = {Version 1, 18 September 2026},
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@article{JerisonMonneau2004,
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@incollection{Modica1989,
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@misc{HongLiWang2026,
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@misc{CFFFS2026,
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