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Paper Citation Record · LEDGER

Safe sets in digraphs

As of 16 August 2026, this Paper Citation Record lists 21 of 21 outbound references and 0 inbound Pith citation observations for arXiv:1908.06664.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
1908.06664 v1

Coverage vector

measured 21 of 21 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T12:47:04.400680Z

measured 21 of 21 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

21 of 21 outbound references displayed

  • verified exact0
  • verified fuzzy18
  • unresolved3
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 0b3f2ca1-d421-45c6-9119-306c02f37905 · outbound

This paper cites ´Agueda, N.

Safe sets in digraphs ´Agueda, N

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.639041Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.329689Z digest=sha256:43e606366be9c76efb240258b21182320499b551ae519395768b254fadc97589

Observation c0e01195-323d-41a1-9c44-814b345545d1 · outbound

This paper cites Bang-Jensen and G.

Safe sets in digraphs Bang-Jensen and G

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.629045Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.333869Z digest=sha256:2b234f1e471682036d868e67141d182ab85e893d40983a387bb55f4e4b900547

Observation badb7b1b-0f76-4a7e-8ad8-ccc06d25bec5 · outbound

This paper cites Bang-Jensen and C.

Safe sets in digraphs Bang-Jensen and C

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.618573Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.337700Z digest=sha256:9a005e4876f57635e6e455cc5076ffa52a022f7c064671481e9387530f8f2011

Observation 7471ec80-66d5-4328-9f7b-7f7ab29b6cdb · outbound

This paper cites Cygan, F.

Safe sets in digraphs Cygan, F

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.608398Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.341497Z digest=sha256:09fcdad76cfe8e33399631dc57825f88355663405a37d4551a193bc578b7a54b

Observation 842b7674-8181-439c-9aa0-31a02d894e29 · outbound

This paper cites Approximating Connected Safe Sets in Weighted Trees.

Safe sets in digraphs Approximating Connected Safe Sets in Weighted Trees

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-14T12:47:04.345319Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T12:47:04.345319Z digest=sha256:a36a58133a42b530310207e9a7c1c1dd30e7a831674575691c86bf78a04a6fec

Observation eb29ab4c-7c33-4b0b-9c16-d6e7ab5addc8 · outbound

This paper cites an unresolved cited work.

Safe sets in digraphs Unresolved cited work

Reference 6

Resolution
unresolved
raw_fallback, observed 2026-08-14T12:47:04.598553Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.349293Z digest=sha256:cc895629580e163373b08cdb964fae898dd8129c26c2df6df9494eca58af1721

Observation 37aa5c44-9eec-4a73-95bc-6267e5cd1a9c · outbound

This paper cites Parameterized Complexity of Safe Set.

Safe sets in digraphs Parameterized Complexity of Safe Set

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-14T12:47:04.353072Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T12:47:04.353072Z digest=sha256:fd4f64d57738bc894ca5b1f9c6f2060782869cbd3e2d8743de6ea7366e8bd379

Observation b4cdf260-ab2b-4d0f-9ac6-ab353ae62e66 · outbound

This paper cites Cormen, C.E.

Safe sets in digraphs Cormen, C.E

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.588581Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.356726Z digest=sha256:6f4f8f506954f46422a78d5a683c3ff0138afcf30b1a22d97658d59bc6828384

Observation 78ccea6b-6b45-445e-b7e2-bc675ff2181c · outbound

This paper cites Fujita and M.

Safe sets in digraphs Fujita and M

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.578489Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.359951Z digest=sha256:7836d889be2e8b78876666725de42bcd4c3f6c96c70a071ce0f71d295edeb2e0

Observation 212eec2a-f464-4fd6-af52-a2af1c4eb3d8 · outbound

This paper cites Fujita, T.

Safe sets in digraphs Fujita, T

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.568005Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.363293Z digest=sha256:6babb08cf2060cdfa842de2a32d6ffac1624adf32068ca7f710cbc9f7368c21f

Observation 677bdb2d-a845-41b9-8f4d-37caa101857d · outbound

This paper cites Fujita, G.

Safe sets in digraphs Fujita, G

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.558159Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.367094Z digest=sha256:20e43e2b9b297d6f832490f813f0da5980c972b0746a141788ed05e67d2c83d1

Observation fac37589-3a27-4683-8e8d-a1b626cdd9a1 · outbound

This paper cites Ganian, P.

Safe sets in digraphs Ganian, P

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.548300Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.370674Z digest=sha256:75385d33896ad0ddef5135176c9705b2bb7c945cd9ec3b5426d58e11bd9fb0e6

Observation bebb299e-bfff-4a8b-a968-873072384b9b · outbound

This paper cites Gy´ arf´ as, G.

Safe sets in digraphs Gy´ arf´ as, G

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.537398Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.374079Z digest=sha256:bcd7abbbc4f63f4d549106336c55f9c7674df276cb46fd876b0972c20601c70d

Observation b1aaeed8-5529-42f9-af8f-a683ce554c33 · outbound

This paper cites H¨ aggkvist, C.

Safe sets in digraphs H¨ aggkvist, C

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.527291Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.377354Z digest=sha256:a776af1046eb773332fd1ab1e68ecdd5011bfad7be4264adebbf5205fca9536c

Observation 32124aca-b09e-442b-80df-b205cdd43617 · outbound

This paper cites Hosteins, A compact mixed integer linear formulation for safe set problems, preprint.

Safe sets in digraphs Hosteins, A compact mixed integer linear formulation for safe set problems, preprint

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.516894Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.380686Z digest=sha256:17e99d7dd32b339fe884b07fecfebba6776c891ead1db11c68a96591f769ae25

Observation b5ddf56a-850d-4fae-b7f2-d7dc067ef2cd · outbound

This paper cites Kang, S-R.

Safe sets in digraphs Kang, S-R

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.506047Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.384036Z digest=sha256:7f7e712d2e3f68ea02b47ef0b00605502e7287f9480128fc4e65ef2e3c35f70e

Observation 0af4c409-b6f9-4c70-ba6f-b476f2967a27 · outbound

This paper cites Karp, Reducibility among combinatorial problems.

Safe sets in digraphs Karp, Reducibility among combinatorial problems

Reference 17

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.495021Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.387371Z digest=sha256:569dba10f111965776dec6ebcda7dd1ed23e701be4291ee43599104b92da487b

Observation 8b5f9edc-16c5-49b3-abc7-16787e3e7175 · outbound

This paper cites Megiddo and U.

Safe sets in digraphs Megiddo and U

Reference 18

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.482492Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.390719Z digest=sha256:0760d4a740fafe11573e6ac1ee15c81a5977bcbfd105543962f733f14aad6c28

Observation b7cf928e-5743-4dd0-9ec3-2b2548cd058e · outbound

This paper cites Reid, Two complementary circuits in two-connected tourna ments, Annals of Discrete Math- ematics 27 (1985) 321-334.

Safe sets in digraphs Reid, Two complementary circuits in two-connected tourna ments, Annals of Discrete Math- ematics 27 (1985) 321-334

Reference 19

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.471660Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.393815Z digest=sha256:e570647aaaff81a36e1b4819176e8e8e4ee30fcc44ff64ec7d362253b52189fa

Observation f6e70453-8788-4993-b01a-38d426ae4f1b · outbound

This paper cites Song, Complementary cycles of all lengths in tournaments, Journal of Combinatorial Theory Ser.

Safe sets in digraphs Song, Complementary cycles of all lengths in tournaments, Journal of Combinatorial Theory Ser

Reference 20

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.460686Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.397114Z digest=sha256:c677d93f3fd7ba26eb1d85a41954f4a5e060260232fd2ce760a31328e5853c27

Observation 05ae2a0e-8026-40ff-9d02-6cf5d990eeb8 · outbound

This paper cites Speckenmeyer, On feedback problems in digraphs, in Proc.

Safe sets in digraphs Speckenmeyer, On feedback problems in digraphs, in Proc

Reference 21

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T12:47:04.449361Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T12:47:04.400680Z digest=sha256:9f2f841d98dead8f6ce97a2df5f928fea9aed71d0649c837175ce07c53ccec7c

Pith citing papers

No inbound Pith citation observations are available.