TY - JOUR AU - Butler, Steve TI - Interlacing for weighted graphs using the normalized Laplacian JO - The electronic journal of linear algebra PY - 2007 SP - 90 EP - 98 VL - 16 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2007__16__a30/ LA - en ID - ELA_2007__16__a30 ER -