What is spectral graph theory?
Spectral graph theory studies the properties of graphs through the eigenvalues and eigenvectors of matrices associated with the graph.
Can you explain how the adjacency matrix is used in this theory?
Sure! The adjacency matrix represents a graph where each element indicates whether pairs of vertices are adjacent or not. Its eigenvalues can reveal important properties of the graph.
What are some applications of spectral graph theory?
Applications include network analysis, computer science, chemistry, and even machine learning, where it helps in clustering and dimensionality reduction.
How does spectral clustering work?
Spectral clustering uses the eigenvalues of the Laplacian matrix of a graph to reduce dimensions before applying clustering algorithms like k-means.
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