Behavior-Induced Mirror-Prox Temporal-Difference Learning for Faster Off-Policy Prediction Preference-Shaped Expected Hypervolume and R2 Improvement: Exact Computation and Monotonicity HARP: Hadamard-Preconditioned Adaptive Rotation Processor for Extreme LLM Quantization CB-SLICE: Concept-Based Interpretable Error Slice Discovery QuITE: Query-Based Irregular Time Series Embedding