3 papers
cs.CL2026
Observable Patterns Are Not Explanations: A Causal-Geometric Analysis of Latent Reasoning Models
Darpan Aswal, Thomas Palmeira Ferraz, Yongxin Zhou +1
Latent reasoning models (LRMs) replace explicit chain-of-thought with continuous thoughts. Recent work treats observable latent-state patterns, such as BFS-like frontiers and decod…
cs.CL2026
What Really Controls Temporal Reasoning in Large Language Models: Tokenisation or Representation of Time?
Gagan Bhatia, Ahmad Muhammad Isa, Maxime Peyrard +1
We present MultiTempBench, a multilingual temporal reasoning benchmark spanning three tasks, date arithmetic, time zone conversion, and temporal relation extraction across five lan…
cs.CL2025
Date Fragments: A Hidden Bottleneck of Tokenization for Temporal Reasoning
Gagan Bhatia, Maxime Peyrard, Wei Zhao
Modern BPE tokenizers often split calendar dates into meaningless fragments, e.g., 20250312 202, 503, 12, inflating token counts and obscuring the inherent structure…