TY - JOUR AU - William M. Feldman AU - Peter Morfe TI - The occurrence of surface tension gradient discontinuities and zero mobility for Allen–Cahn and curvature flows in periodic media JO - Interfaces and free boundaries PY - 2023 SP - 567 EP - 631 VL - 25 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/491/ DO - 10.4171/ifb/491 ID - 10_4171_ifb_491 ER -