TY - RPRT TI - Directional Variant Tension (Tv): A Causal Framework for Quantifying Substitution Asymmetry AU - Karagöl, A. AU - Karagöl, T. PY - 2026 DO - 10.64898/2026.03.10.710752 UR - https://www.biorxiv.org/content/10.64898/2026.03.10.710752v1 ID - 10.64898/2026.03.10.710752 ER -