2 papers
cs.CL2025
Hierarchical Mamba Meets Hyperbolic Geometry: A New Paradigm for Structured Language Embeddings
Sarang Patil, Ashish Parmanand Pandey, Ioannis Koutis +1
Selective state-space models excel at long-sequence modeling, but their capacity for language representation -- in complex hierarchical reasoning -- remains underexplored. Most lar…
cs.IR2025
Minimum Weighted Feedback Arc Sets for Ranking from Pairwise Comparisons
Soroush Vahidi, Ioannis Koutis
The Minimum Weighted Feedback Arc Set (MWFAS) problem is closely related to the task of deriving a global ranking from pairwise comparisons. Recent work by He et al. (ICML 2022) ad…