Structural Concentration of Traffic Accidents in High-Ω States (NYC & Chicago)
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2026
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| _version_ | 1866901998797848576 |
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| author | Aizawa, Hiroaki |
| author_facet | Aizawa, Hiroaki |
| contents | <p>This record presents a minimal empirical result showing that traffic accidents concentrate in a predefined high-Ω regime under fixed ex-ante definitions.</p> <p> </p> <p>The analysis is conducted on two independent cities (NYC and Chicago) using publicly available traffic accident data. The same definitions and procedure are applied without modification.</p> <p> </p> <p>Definitions (fixed before evaluation):</p> <p>- Ω = I × G</p> <p>- I = rolling standard deviation of daily accident counts</p> <p>- G = absolute daily change in accident counts</p> <p>- high Ω = Ω > q(0.99)</p> <p>- collapse = high-accident days (accidents > q(0.95))</p> <p> </p> <p>Metric:</p> <p>- P(collapse | high Ω) vs baseline P(collapse)</p> <p> </p> <p>Results:</p> <p>- NYC: ~4.0× higher than baseline</p> <p>- Chicago: ~10.7× higher than baseline</p> <p> </p> <p>The result shows that accident occurrence is not uniformly distributed, but concentrates in a specific structural regime defined by Ω.</p> <p> </p> <p>This is not a predictive model.</p> <p>No optimization is performed.</p> <p>Collapse is defined independently of Ω.</p> <p>The result reports conditional frequency, not timing prediction.</p> <p> </p> <p>Reproducibility:</p> <p>Colab (run directly):</p> <p>https://colab.research.google.com/drive/1FtF7-UsfDF_pGoqB_SUfZScwSqKalHgj</p> <p> </p> <p>CSV outputs are included for direct verification.</p> <p> </p> <p>This record is part of a broader set of minimal cross-domain tests using the Ω = I × G framework.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_20018549 |
| institution | Zenodo |
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| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Structural Concentration of Traffic Accidents in High-Ω States (NYC & Chicago) Aizawa, Hiroaki omega method, structural concentration, traffic accidents, reproducibility, minimal test, cross-domain <p>This record presents a minimal empirical result showing that traffic accidents concentrate in a predefined high-Ω regime under fixed ex-ante definitions.</p> <p> </p> <p>The analysis is conducted on two independent cities (NYC and Chicago) using publicly available traffic accident data. The same definitions and procedure are applied without modification.</p> <p> </p> <p>Definitions (fixed before evaluation):</p> <p>- Ω = I × G</p> <p>- I = rolling standard deviation of daily accident counts</p> <p>- G = absolute daily change in accident counts</p> <p>- high Ω = Ω > q(0.99)</p> <p>- collapse = high-accident days (accidents > q(0.95))</p> <p> </p> <p>Metric:</p> <p>- P(collapse | high Ω) vs baseline P(collapse)</p> <p> </p> <p>Results:</p> <p>- NYC: ~4.0× higher than baseline</p> <p>- Chicago: ~10.7× higher than baseline</p> <p> </p> <p>The result shows that accident occurrence is not uniformly distributed, but concentrates in a specific structural regime defined by Ω.</p> <p> </p> <p>This is not a predictive model.</p> <p>No optimization is performed.</p> <p>Collapse is defined independently of Ω.</p> <p>The result reports conditional frequency, not timing prediction.</p> <p> </p> <p>Reproducibility:</p> <p>Colab (run directly):</p> <p>https://colab.research.google.com/drive/1FtF7-UsfDF_pGoqB_SUfZScwSqKalHgj</p> <p> </p> <p>CSV outputs are included for direct verification.</p> <p> </p> <p>This record is part of a broader set of minimal cross-domain tests using the Ω = I × G framework.</p> |
| title | Structural Concentration of Traffic Accidents in High-Ω States (NYC & Chicago) |
| topic | omega method, structural concentration, traffic accidents, reproducibility, minimal test, cross-domain |
| url | https://doi.org/10.5281/zenodo.20018549 |