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@misc{OAI:Parity-lifts-and-bounded-treewidth-witnesses-for-Weisfeiler-Leman-equivalence-September-25-2026,
  author = {{OpenAI}},
  title = {{Parity lifts and bounded-treewidth witnesses for Weisfeiler--Leman equivalence}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Parity-lifts-and-bounded-treewidth-witnesses-for-Weisfeiler-Leman-equivalence-September-25-2026/paper.pdf}{OAI:Parity-lifts-and-bounded-treewidth-witnesses-for-Weisfeiler-Leman-equivalence-September-25-2026}},
  year = {2026}
}

@misc{OAI:The-complexity-of-identifying-a-graph-by-Weisfeiler-Leman-refinement-September-25-2026,
  author = {{OpenAI}},
  title = {{The complexity of identifying a graph by Weisfeiler--Leman refinement}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/The-complexity-of-identifying-a-graph-by-Weisfeiler-Leman-refinement-September-25-2026/paper.pdf}{OAI:The-complexity-of-identifying-a-graph-by-Weisfeiler-Leman-refinement-September-25-2026}},
  year = {2026}
}

@misc{OAI:Unconditional-time-lower-bounds-for-Weisfeiler-Leman-equivalence-September-25-2026,
  author = {{OpenAI}},
  title = {{Unconditional time lower bounds for Weisfeiler--Leman equivalence}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Unconditional-time-lower-bounds-for-Weisfeiler-Leman-equivalence-September-25-2026/paper.pdf}{OAI:Unconditional-time-lower-bounds-for-Weisfeiler-Leman-equivalence-September-25-2026}},
  year = {2026}
}

@misc{OAI:Variable-dimension-Weisfeiler-Leman-equivalence-on-general-and-subcubic-graphs-September-25-2026,
  author = {{OpenAI}},
  title = {{Variable-dimension Weisfeiler--Leman equivalence on general and subcubic graphs}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Variable-dimension-Weisfeiler-Leman-equivalence-on-general-and-subcubic-graphs-September-25-2026/paper.pdf}{OAI:Variable-dimension-Weisfeiler-Leman-equivalence-on-general-and-subcubic-graphs-September-25-2026}},
  year = {2026}
}