What area of graph theory are you studying? Lots of math department style graph theory isn't particularly useful with messy real world data sets and related networks. Some is. Fiedler Vectors/Algebraic Connectivity/Spectral Graph Theory is useful stuff. It can be used in image partitioning, clustering and lots of other places. The analysis of flows on graphs also has some cool applications. I ...
Source: Discussion on r/MachineLearning




