Manuscript OpenAI@2026-10-07 · OpenAI.tex · remark · 6a931f8f
Remark: 102-05. Constant-factor hardness of directed feedback vertex set
Manuscript map · lines 4485–4494
OpenAI@2026-10-07#rem:oai-p-102-05
Authors: OpenAI. Family 102.
Title: Constant-factor hardness of directed feedback vertex set.
Abstract: Approximating minimum directed feedback vertex set within any fixed constant factor is NP-hard, even on unweighted digraphs.
This abstract is a catalogue record. It is not a verification and not a premise. It does not close O.1. O.1 stays NOT_CLOSED. No quantum coefficient is admitted. No compilation is asserted.
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