Tohoku Mathematical Journal
Journal metrics
Annual Clarivate and SCImago indicators.
| Year | JCR | SJR | ||||
|---|---|---|---|---|---|---|
| IF | IF quartile | Rank (percentile) | SJR | SJR quartile | Rank (percentile) | |
| 2025 | 0.5 | Q3 | 26.8% | 0.291 | Q3 | 42.4% |
| 2024 | 0.4 | Q4 | 21.7% | 0.365 | Q3 | 51.9% |
| 2023 | 0.4 | Q4 | 29.4% | 0.437 | Q2 | 60.5% |
| 2022 | 0.5 | Q4 | 34.2% | 0.396 | Q2 | 59.0% |
| 2021 | 0.6 | Q4 | 53.6% | 0.537 | Q2 | 69.4% |
| 2020 | — | — | 0.569 | Q2 | 70.2% | |
| 2019 | — | — | 0.757 | Q2 | 78.9% | |
| 2018 | — | — | 0.329 | Q3 | 52.9% | |
Impact history
Annual SJR and Impact Factor trend.
SJRIF
Journal record
ISSN
0040-8735
country
JPcoverage
1949-2025