TY - JOUR AU - Bramburger, Jason J. TI - Ultracontractive Properties for Directed Graph Semigroups with Applications to Coupled Oscillators JO - Canadian mathematical bulletin PY - 2020 SP - 13 EP - 30 VL - 63 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000390/ DO - 10.4153/S0008439519000390 ID - 10_4153_S0008439519000390 ER -