Feedback vertex sets of planar digraphs with fixed digirth
[Submitted on 12 May 2026 (v1), last revised 13 Jul 2026 (this v
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2026-05-12
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via math updates on arXiv.org
arXiv:2605.12279v2 Announce Type: replace Abstract: Let $fvs(G)$ denote the size of a minimum feedback vertex…
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