TY - RPRT TI - Directional heritability and the geometry of multivariate constraint AU - O'Brien, N. L. V. AU - Burrage, P. M. AU - Burrage, K. AU - Ortiz-Barrientos, D. PY - 2026 DO - 10.64898/2026.01.26.701879 UR - https://www.biorxiv.org/content/10.64898/2026.01.26.701879v1 ID - 10.64898/2026.01.26.701879 ER -