Communications in Mathematics — ISSN 1804-1388 (Print), ISSN 2336-1298 (Online) — is a continuation of the journals Acta Mathematica et Informatica Universitatis Ostraviensis, founded in 1993 (ISSN 1211-4774), and Acta Mathematica Universitatis Ostraviensis (2003–2009, ISSN 1214-8148). It is published by The University of Ostrava, Czech Republic.

Communications in Mathematics publishes original research papers and survey papers in pure and applied mathematics, preferably in the following areas:

- Number theory
- Algebraic structures
- Combinatorics
- Cryptography
- Differential geometry
- Global analysis
- Differential equations
- Control and Optimization
- Calculus of variations
- Mathematical physics

To be acceptable for publication papers must make significant, original and correct contributions to one or more of the topics within these areas. High quality review papers of interest to a wide range of scientists in mathematics and its applications are equally welcome.

The journal is reviewed in Mathematical Reviews and Zentralblatt MATH and indexed in Scopus.