%0 Journal Article %A Lotker, Zvi %T Note on deleting a vertex and weak interlacing of the Laplacian spectrum %J The electronic journal of linear algebra %D 2007 %P 68-72 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2007__16__a32/ %G en %F ELA_2007__16__a32