TY - JOUR AU - Payman Eskandari TI - A remark on $\operatorname{Ext}$ groups for motives with maximal unipotent radicals JO - Comptes Rendus. Mathématique PY - 2026 SP - 127 EP - 136 VL - 364 PB - Académie des sciences, Paris DO - 10.5802/crmath.817 LA - en ID - CRMATH_2026__364_G1_127_0 ER -