《组合数学电子期刊》(E-JC)是一本标准很高的全参考电子期刊，发表的论文内容丰富，对离散数学的各个分支都很感兴趣，包括组合学、图论和组合问题的算法。这本杂志对作者和读者都是完全免费的。作者保留其文章的版权，并强烈鼓励根据知识共享许可证发布其文章。
http://www.combinatorics.org/ojs/index.php/eljc/information/authors
The Electronic Journal of Combinatorics (E-JC) is a fully-refereed electronic journal with very high standards, publishing papers of substantial content and interest in all branches of discrete mathematics, including combinatorics, graph theory, and algorithms for combinatorial problems. The journal is completely free for both authors and readers. Authors retain the copyright of their articles and are strongly encouraged to release their articles under a Creative Commons license.
| 大类学科 | 分区 | 小类学科 | 分区 | Top期刊 | 综述期刊 |
| 数学 | 4区 | MATHEMATICS 数学 MATHEMATICS, APPLIED 应用数学 | 4区 4区 | 否 | 否 |
| JCR分区等级 | JCR所属学科 | 分区 | 影响因子 |
| Q3 | MATHEMATICS | Q3 | 0.69 |
| MATHEMATICS, APPLIED | Q4 |
| CiteScore | SJR | SNIP | 学科类别 | 分区 | 排名 | 百分位 |
| 1.30 | 0.724 | 1.087 | 大类：Mathematics 小类：Geometry and Topology | Q2 | 49 / 99 |
51% |
| 大类：Mathematics 小类：Discrete Mathematics and Combinatorics | Q3 | 45 / 85 |
47% |
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| 大类：Mathematics 小类：Applied Mathematics | Q3 | 406 / 590 |
31% |
|||
| 大类：Mathematics 小类：Computational Theory and Mathematics | Q3 | 110 / 147 |
25% |
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| 大类：Mathematics 小类：Theoretical Computer Science | Q4 | 105 / 123 |
15% |
| 影响因子 | h-index | Gold OA文章占比 | 研究类文章占比 | OA开放访问 | 平均审稿速度 |
| 0.69 | 39 | 58.00% | 100.00% | 开放 | 一般,3-6周 |
