TY - RPRT TI - A walk-sum framework of frequency-dependent brain communication architecture AU - Kafetzopoulos, V. AU - Metaxas, V. PY - 2026 DO - 10.64898/2026.04.04.716466 UR - https://www.biorxiv.org/content/10.64898/2026.04.04.716466v1 ID - 10.64898/2026.04.04.716466 ER -