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open access MATHEMATICS

Welcome to the home of Open Access Mathematics at De Gruyter! Our collection encompasses 18 peer-reviewed open access journals across all areas of mathematics!


Our Editorial team has compiled the most valued content for you to read and download for free!


Impact Factor 2019: 2.667

Launched in 2012 with a fully Open Access since 2019, the journal publishes significant, original and relevant works in pure and applied nonlinear analysis. 

ANONA is one of the top journals in mathematics, ranking second both in applied mathematics and in the entire discipline.

Editor's choice:


Shape optimization for an elliptic operator with infinitely many positive and negative eigenvalues
Catherine Bandle and Alfred Wagner


Hölder gradient estimates for a class of singular or degenerate parabolic equations
Cyril Imbert, Tianling Jin and Luis Silvestre 


On the exact multiplicity of stable ground states of non-Lipschitz semilinear elliptic equations for some classes of starshaped sets
J. I. Díaz, J. Hernández, and Y. Sh. Ilyasov 

Impact Factor 2019: 0.773

De Gruyter's widest-scope open access journal in mathematics publishing original research, reviews and short communications in all fields of mathematics.

Editor's choice:


Non-occurrence of the Lavrentiev phenomenon for a class of convex nonautonomous Lagrangians
Carlo Mariconda and Giulia Treu


Strong and weak convergence of Ishikawa iterations for best proximity pairs
Moosa Gabeleh and S. I. Ezhil Manna , A. Anthony Eldred and Olivier Olela Otafudu


A new smoothing method for solving nonlinear complementarity problems
Jianguang Zhu and Binbin Hao

SCImago 2019: 0.333

Fully peer-reviewed open access journal devoted to functional analysis, approximation theory and related topics. DEMA was founded in 1969 and is the oldest Open Access journal in our portfolio. All 53 volumes are available online! The journal is covered by WoS (ESCI), Scopus, MathSciNet and many other services.

Editor's choice:


The strong maximum principle for Schrödinger operators on fractals
Marius V. Ionescu, Kasso A. Okoudjou and Luke G. Rogers


Degrees of the approximations by some special matrix means of conjugate Fourier series
Radosława Kranz, Aleksandra Rzepka and Ewa Sylwestrzak-Maślanka


Existence and Ulam stability for nonlinear implicit differential equations with Riemann-Liouville fractional derivative
Mouffak Benchohra, Soufyane Bouriah and Juan J. Nieto

Impact Factor 2019: 0.444

Fully open access peer-reviewed journal publishing cutting-edge research on analytical and geometrical problems in metric spaces and their mathematical applications.

Editor's choice:


Boundary Regularity for p-Harmonic Functions and Solutions of Obstacle Problems on Unbounded Sets in Metric Spaces
Anders Björn and Daniel Hansevi


A Global Poincaré inequality on Graphs via a Conical Curvature-Dimension Condition
Sajjad Lakzian and Zachary Mcguirk


Hyperbolic Unfoldings of Minimal Hypersurfaces
Joachim Lohkamp


Journal of Mathematical Cryptology
SCImago ranking: 0.321


Journal of Intelligent Systems
SCImago ranking: 0.201


Journal of Causal Inference
Impact Factor: 1.720