| 1 | -- | 2 | Vasco Brattka, Paola Bonizzoni, S. Barry Cooper, Benedikt Löwe, Elvira Mayordomo. Editorial |
| 3 | -- | 13 | Mathieu Hoyrup, Cristobal Rojas, Klaus Weihrauch. Computability of the Radon-Nikodym Derivative |
| 15 | -- | 38 | Samuel Coskey, Joel David Hamkins, Russell G. Miller. The Hierarchy of Equivalence Relations on the Natural Numbers Under Computable Reducibility |
| 39 | -- | 43 | John M. Hitchcock. Limitations of Efficient Reducibility to the Kolmogorov Random Strings |
| 45 | -- | 57 | Philipp Schlicht, Benjamin Seyfferth. Tree Representations via Ordinal Machines |
| 59 | -- | 83 | Alastair A. Abbott, Cristian S. Calude. Von Neumann Normalisation of a Quantum Random Number Generator |
| 85 | -- | 98 | Denis R. Hirschfeldt, Rebecca Weber. Finite Self-Information |