Czechoslovak Mathematical Journal《捷克斯洛伐克数学杂志》（季刊）. Czechoslovak Mathematical Journal publishes original research papers of high scientific quality in mathematics. The journal is published quarterly in issues containing 288 pages each.

Cryptologia《密码学》（双月刊）. Cryptologia is the only scholarly journal in the world dealing with the history, the technology, and the effect of the most important form of intelligence in the world today – communications intelligence. It fosters the study of all aspects of cryptology -- technical as well as historical, pedagogical, and cultural.

Contributions to Discrete Mathematics《离散数学文集》（一年3期）. We publish research articles written in English in areas such as combinatorics and graph theory, discrete and computational geometry, discrete optimization and operations research, theoretical computer science, and coding and communication theory.

Constructive Approximation《构造逼近》（双月刊）. Constructive Approximation is an international mathematics journal dedicated to Approximations and Expansions and related research in computation, potential theory, function theory, functional analysis, interpolation spaces and interpolation of operators, numerical analysis, space of functions, special functions, and applications.

Computational Statistics & Data Analysis《计算统计与数据分析》（月刊）. Computational Statistics and Data Analysis (CSDA), an Official Publication of the network Computational and Methodological Statistics (CMStatistics) and of the International Association for Statistical Computing (IASC), is an international journal dedicated to the dissemination of methodological research and applications in the areas of computational statistics and data analysis.

Computational Statistics《计算统计》（一年8期）. Computational Statistics (CompStat) is an international journal that fosters the publication of applications and methodological research in the field of computational statistics.

Computational Optimization and Applications《计算优化及其应用》（一年9期）. Computational Optimization and Applications is a peer reviewed journal that is committed to timely publication of research and tutorial papers on the analysis and development of computational algorithms and modeling technology for optimization. Algorithms either for general classes of optimization problems or for more specific applied problems are of interest. Stochastic algorithms as well as deterministic algorithms will be considered. Papers that can provide both theoretical analysis, along with carefully designed computational experiments, are particularly welcome.

Computational Methods in Applied Mathematics《应用数学中的计算方法》（季刊）. The highly selective international mathematical journal Computational Methods in Applied Mathematics (CMAM) considers original mathematical contributions to computational methods and numerical analysis with applications mainly related to PDEs.

Computational Methods and Function Theory《计算方法与函数论》（季刊）. CMFT is an international mathematics journal which publishes carefully selected original research papers in complex analysis (in a broad sense), and on applications or computational methods related to complex analysis. Survey articles of high standard and current interest can be considered for publication as well. Contributed papers should be written in English (exceptions in rare cases are tolerated), and in a lucid, expository style. Papers should not exceed 30 printed pages.

Computational Mathematics and Mathematical Physics《计算数学与数学物理》（月刊）. Computational Mathematics and Mathematical Physics is a monthly journal that publishes reviews and original papers on computational mathematics, computational methods of mathematical physics, informatics, and other mathematical sciences. The journal welcomes reviews and original articles from all countries.