Searching for Applicable Versions of Computable Structures.- On Measure Quantifiers in First-Order Arithmetic.- Pistone Learning Languages with Decidable Hypotheses.- Robust Online Algorithms for Dynamic Choosing Problems.- On the degrees of constructively immune sets.- Fine-Grained Complexity Theory: Conditional Lower Bounds for Computational Geometry.- The Lost Melody Theorem for Infinite Time Blum-Shub-Smale Machines.- Randomising Realizability.- Restrictions of Hindman’s Theorem: an overview.- Complexity and Categoricity of Automatic Injection structures.- A tale of optimizing the space taken by de Bruijn graphs.- Formally Computing with the Non-Computable.- Cohen Mapping Monotonic Restrictions in Inductive Inference.- Normal Forms for Semantically Witness-Based Learners in Inductive Inference.- xWalk-preserving transformation of overlapped sequence graphs into blunt sequence graphs with GetBlunted.- On 3SUM-hard problems in the Decision Tree Model.- Monotonic Spectra and Their Generalizations.- On false Heine/Borel compactness principles in proof mining.- Placing Green Bridges Optimally, with a Multivariate Analysis.- A Church-Turing thesis for randomness? .- Probabilistic Models of k-mer Frequencies.- Defining Formal Explanation in Classical Logic by Substructural Derivability.- Dedekind Cuts and Long Strings of Zeros in Base Expansions.- On the impact of treewidth in the computational complexity of freezing dynamics.- Towards a Map for Incremental Learning in the Limit from Positive and Negative Information.- On preserving the computational content of mathematical proofs: toy examples for a formalising strategy.- n search of the first-order part of Ramsey’s theorem for pairs.- On subrecursive representability of irrational numbers: Contractors and Baire sequences.- xiLearning.- Languages in the Limit from Positive Information with Finitely Many Memory Changes.