TY - JOUR AU - Piperno, Serge TI - Symplectic local time-stepping in non-dissipative DGTD methods applied to wave propagation problems JO - ESAIM: Modélisation mathématique et analyse numérique PY - 2006 SP - 815 EP - 841 VL - 40 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an:2006035/ DO - 10.1051/m2an:2006035 LA - en ID - M2AN_2006__40_5_815_0 ER -