TY - JOUR AU - M. Keller AU - D. Lenz TI - Unbounded Laplacians on Graphs: Basic Spectral Properties and the Heat Equation JO - Mathematical modelling of natural phenomena PY - 2010 SP - 198 EP - 224 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20105409/ DO - 10.1051/mmnp/20105409 LA - en ID - MMNP_2010_5_4_a9 ER -