Co-authorship neighborhood
Svitlana Cherkasova's displayed neighborhood
6 of 6 direct collaborators shown.
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Ordered author table
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| Display order | Author | Role | Distinct papers | Unique collaborators | Weighted degree | Active span |
|---|---|---|---|---|---|---|
| 1 | Svitlana Cherkasova | Focal | 1 | 6 | 6.0 | 2026 |
| 2 | Dmytro Poroshyn | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 3 | Iuliia Padafet | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 4 | Nataliia Bieliaieva | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 5 | Oleksandr Rozhko | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 6 | Semen Blahun | Direct collaborator | 1 | 6 | 6.0 | 2026 |
| 7 | Tetyana Kharchenko | Direct collaborator | 1 | 6 | 6.0 | 2026 |
Displayed collaboration table
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| Author pair | Shared papers | Full weight | Fractional weight |
|---|---|---|---|
| Iuliia Padafet — Oleksandr Rozhko | 1 | 1 | 0.167 |
| Iuliia Padafet — Svitlana Cherkasova | 1 | 1 | 0.167 |
| Iuliia Padafet — Nataliia Bieliaieva | 1 | 1 | 0.167 |
| Iuliia Padafet — Tetyana Kharchenko | 1 | 1 | 0.167 |
| Iuliia Padafet — Dmytro Poroshyn | 1 | 1 | 0.167 |
| Iuliia Padafet — Semen Blahun | 1 | 1 | 0.167 |
| Oleksandr Rozhko — Svitlana Cherkasova | 1 | 1 | 0.167 |
| Oleksandr Rozhko — Nataliia Bieliaieva | 1 | 1 | 0.167 |
| Oleksandr Rozhko — Tetyana Kharchenko | 1 | 1 | 0.167 |
| Oleksandr Rozhko — Dmytro Poroshyn | 1 | 1 | 0.167 |
| Oleksandr Rozhko — Semen Blahun | 1 | 1 | 0.167 |
| Svitlana Cherkasova — Nataliia Bieliaieva | 1 | 1 | 0.167 |
| Svitlana Cherkasova — Tetyana Kharchenko | 1 | 1 | 0.167 |
| Svitlana Cherkasova — Dmytro Poroshyn | 1 | 1 | 0.167 |
| Svitlana Cherkasova — Semen Blahun | 1 | 1 | 0.167 |
| Nataliia Bieliaieva — Tetyana Kharchenko | 1 | 1 | 0.167 |
| Nataliia Bieliaieva — Dmytro Poroshyn | 1 | 1 | 0.167 |
| Nataliia Bieliaieva — Semen Blahun | 1 | 1 | 0.167 |
| Tetyana Kharchenko — Dmytro Poroshyn | 1 | 1 | 0.167 |
| Tetyana Kharchenko — Semen Blahun | 1 | 1 | 0.167 |
| Dmytro Poroshyn — Semen Blahun | 1 | 1 | 0.167 |
Graph construction and limits
Each distinct paper contributes an undirected pair for every two eligible identities in its deduplicated latest OpenAlex author list. Self-loops are removed. Solo papers count toward an author's paper total but create no edge. The selected display is an ego subgraph. Paper, collaborator, weighted-degree, and active-span metrics for every displayed node use the full filtered provider view; component size describes the focal author's component.
Immutable provider payloads are stored once. A separate receipt log records a later delivery of an earlier payload, so roster reversions remain visible. Exact duplicate receipts are idempotent. Equal timestamps use receipt insertion order as the tie-breaker.
Co-authorship records shared paper attribution only. It does not establish contribution size, research quality, influence, friendship, topic similarity, or citation relationships.