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Direct access to the research PDFs hosted here. All publications and other paper versions are listed in the complete bibliography.

One Unit Separates Polynomial Time from Undecidability in Term Coding
Søren Riis
arXiv 2504.16265 · 2026 Preprint
Latest manuscript: 12 September 2026. The arXiv replacement is awaiting its public update; use the hosted PDF for this revision. The interactive edition connects the paper to explanations and formal proof evidence.
Hosted PDF arXiv Interactive paper Lean source Archived software (DOI)
Drift and selection in LLM text ecosystems
Søren Riis
Preprint abs/2604.08554 · 2026 Preprint
Hosted PDF arXiv Try it Watch it
Graph-Theoretical Constructions for Graph Entropy and Network Coding Based Communications
Maximilien Gadouleau, Søren Riis
IEEE Transactions on Information Theory 57: 6703–6717 · 2011 Published
Hosted PDF Paper / publisher Earlier preprint (2010) Try it