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Feedback arc set

a subset of the edges in a directed graph that includes at least one edge from each cycle
Thing computational_problem Q1400910
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Feedback arc set

Summary

Feedback arc set is a computational problem[1]. It draws 23 Wikipedia views per month (computational_problem category, ranking #38 of 61).[2]

Key Facts

  • Feedback arc set's instance of is recorded as computational problem[3].
  • Feedback arc set's part of is recorded as Karp's 21 NP-complete problems[4].
  • Feedback arc set's Freebase ID is recorded as /m/061szd[5].
  • Feedback arc set's Microsoft Academic ID is recorded as 157951044[6].
  • Feedback arc set's OpenAlex ID is recorded as C157951044[7].
  • Feedback arc set's computational complexity is recorded as NP-complete[8].

Why It Matters

Feedback arc set draws 23 Wikipedia views per month (computational_problem category, ranking #38 of 61).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[9]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  6. [8] ↑ . Reducibility among combinatorial problems. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Feedback arc set. Retrieved May 3, 2026, from https://4ort.xyz/entity/feedback-arc-set
MLA “Feedback arc set.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/feedback-arc-set.
BibTeX @misc{4ortxyz_feedback-arc-set_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Feedback arc set}}, year = {2026}, url = {https://4ort.xyz/entity/feedback-arc-set}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Feedback arc set — https://4ort.xyz/entity/feedback-arc-set (retrieved 2026-05-03)

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