For those who are interested, here's some background on the field: http://www.cs.yale.edu/homes/spielman/sgta/SpectTut.pdf http://www.cs.yale.edu/homes/spielma

For those who are interested, here's some background on the field: http://www.cs.yale.edu/homes/spielman/sgta/SpectTut.pdf http://www.cs.yale.edu/homes/spielman/sgta/SpectTut.pdf While the topic of graph laplacians may sound obscure, there are a lot of direct applications to image segmentation, social network analysis, bioinformatics, etc.