Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:10:27.564255Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 35 of 35 outbound references and 0 inbound Pith citation observations for arXiv:1908.04038.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:10:27.564255Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
35 of 35 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation f6e8007f-3c30-4456-92f7-267e5980ce38 · outbound
Regular Separability and Intersection Emptiness are Independent Problems General decidability theorems for infinite-state systems
Reference 1
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.
Observation ebe1864a-4924-4dbb-bcc8-e0f7f91a8dcd · outbound
Regular Separability and Intersection Emptiness are Independent Problems Some algorithmic problems for pseudovarieties
Reference 2
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.
Observation 7227a6d3-bf33-485c-b757-7d71d1277b07 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Transductions and context-free languages
Reference 3
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.
Observation f8207ecd-c927-4f11-b262-dbbc42b86703 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Automatic structures
Reference 4
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.
Observation 20fd6e3f-3a2a-4ac5-8421-998cb391031f · outbound
Regular Separability and Intersection Emptiness are Independent Problems Finite presentations of infinite structures: Automata and interpretations
Reference 5
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.
Observation 3ce19178-26c7-413e-87ad-2ac489938cae · outbound
Regular Separability and Intersection Emptiness are Independent Problems It is undecidable if two regular tree languages can be separated by a deterministic tree-walking automaton
Reference 6
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.
Observation 0946517f-210e-4551-bb24-3aa22c78a1f7 · outbound
Regular Separability and Intersection Emptiness are Independent Problems A generic approach to the static analysis of concurrent programs with procedures
Reference 7
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.
Observation 638ab5a3-53c8-4f4f-a2c9-8bf7a4426425 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separability of rational relations in A ^* ^m by recognizable relations is decidable
Reference 8
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.
Observation a58e1097-f470-4427-a62c-413dccf7ba69 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Regular separability of Parikh automata
Reference 9
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.
Observation e613f8a7-0e17-4b79-b906-1de620f5d28f · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separability of reachability sets of vector addition systems
Reference 10
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.
Observation f99b9612-490a-4006-8d90-360a778f0da5 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Regular separability of one counter automata
Reference 11
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.
Observation cdabd0c7-f533-4777-bd07-d0b228155fc2 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Narayan Kumar, and Prakash Saivasan
Reference 12
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.
Observation 940a577a-55d8-426f-a741-e62334c4e3a8 · outbound
Regular Separability and Intersection Emptiness are Independent Problems A characterization for decidable separability by piecewise testable languages
Reference 13
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.
Observation 09b36d7f-7072-431d-bfd9-03dc32daf841 · outbound
Regular Separability and Intersection Emptiness are Independent Problems An approach to regular separability in vector addition systems
Reference 14
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.
Observation e0927464-e8b1-401d-9e97-2aa3ab8b219b · outbound
Regular Separability and Intersection Emptiness are Independent Problems Reset nets between decidability and undecidability
Reference 15
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.
Observation 4642bb01-3a38-4e70-9480-1271fc2a82b0 · outbound
Regular Separability and Intersection Emptiness are Independent Problems A mathematical introduction to logic
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ddfaa7ca-b5ec-4007-8212-fc6b8487a4f4 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Fundamental structures in well-structured infinite transition systems
Reference 17
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.
Observation ea2a85b5-d020-418d-bee1-33516ef39a2e · outbound
Regular Separability and Intersection Emptiness are Independent Problems Gool and Benjamin Steinberg
Reference 18
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.
Observation 8a52e766-bc4d-4a65-ad65-c44f3dfc5cbe · outbound
Regular Separability and Intersection Emptiness are Independent Problems Deciding piecewise testable separability for regular tree languages
Reference 19
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.
Observation 560bf26d-c10f-457e-b8cc-c1768698df84 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Luke Ong
Reference 20
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.
Observation 8df0e37e-0662-4f26-b592-f1732cebdb97 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Context-free languages and turing machine computations
Reference 21
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.
Observation b5539f44-a114-4247-a94d-889b34f0ceed · outbound
Regular Separability and Intersection Emptiness are Independent Problems Hunt III
Reference 22
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.
Observation 8c6accf5-ec2d-4911-80b2-1b14674afc77 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Regular separability of one counter automata
Reference 23
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.
Observation cd6e170b-7ebd-4b77-941a-a233c447facd · outbound
Regular Separability and Intersection Emptiness are Independent Problems Undecidable problems in unreliable computations
Reference 24
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.
Observation 234bad7c-5ef3-4703-9fc3-e8e7453fa8b6 · outbound
Regular Separability and Intersection Emptiness are Independent Problems On context-free languages
Reference 25
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.
Observation be16ec37-9f1b-4aba-8798-90ebb12954aa · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separating regular languages with two quantifiers alternations
Reference 26
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.
Observation 9a702451-4f4e-4933-b7b9-ae1f22d90f01 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separating regular languages by piecewise testable and unambiguous languages
Reference 27
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.
Observation 23adbb52-e933-4971-a648-12b70ea39fdd · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separation and the successor relation
Reference 28
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.
Observation b285232e-fcf7-4be1-92bc-793cdc987925 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separating regular languages with first-order logic
Reference 29
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.
Observation ab0e8ec5-6a46-4022-af60-f92ab25ee71b · outbound
Regular Separability and Intersection Emptiness are Independent Problems Concatenation hierarchies: New bottle, old wine
Reference 30
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.
Observation f1c11587-ccda-4fbf-89bd-584e98345ad1 · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separation for dot-depth two
Reference 31
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.
Observation 5d84a273-dba6-4317-ae39-a3ea186ca1f3 · outbound
Regular Separability and Intersection Emptiness are Independent Problems The covering problem
Reference 32
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.
Observation 539f7f59-8501-4635-895c-00c4b2e3117c · outbound
Regular Separability and Intersection Emptiness are Independent Problems Szymanski and John H
Reference 33
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.
Observation 3ab50685-8dcc-4751-8fcf-46578f8f5af9 · outbound
Regular Separability and Intersection Emptiness are Independent Problems An approach to computing downward closures
Reference 34
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.
Observation d3212aed-3597-45bf-ba12-a4584b64c97f · outbound
Regular Separability and Intersection Emptiness are Independent Problems Separability by piecewise testable languages and downward closures beyond subwords
Reference 35
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.
No inbound Pith citation observations are available.