• In mathematics, spectral graph theory is the study of the properties of a graph in relationship to the characteristic polynomial, eigenvalues, and eigenvectors...
    15 KB (1,844 words) - 20:28, 19 February 2025
  • spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader theory of...
    32 KB (4,686 words) - 19:13, 8 July 2025
  • Thumbnail for Fan Chung
    Fan Chung (category Graph theorists)
    the areas of spectral graph theory, extremal graph theory and random graphs, in particular in generalizing the Erdős–Rényi model for graphs with general...
    21 KB (2,464 words) - 10:07, 31 July 2025
  • field of spectral graph theory, a Ramanujan graph is a regular graph whose spectral gap is almost as large as possible (see extremal graph theory). Such...
    20 KB (2,792 words) - 01:39, 7 May 2025
  • Thumbnail for Extremal graph theory
    extremal graph theory. Extremal graph theory is closely related to fields such as Ramsey theory, spectral graph theory, computational complexity theory, and...
    10 KB (1,360 words) - 19:17, 15 July 2025
  • In graph theory, an expander graph is a sparse graph that has strong connectivity properties, quantified using vertex, edge or spectral expansion. Expander...
    41 KB (5,391 words) - 22:16, 19 June 2025
  • Thumbnail for Algebraic graph theory
    Laplacian matrix of a graph (this part of algebraic graph theory is also called spectral graph theory). For the Petersen graph, for example, the spectrum...
    7 KB (671 words) - 13:31, 13 February 2025
  • between a graph and the eigenvalues and eigenvectors of its adjacency matrix is studied in spectral graph theory. The adjacency matrix of a graph should...
    20 KB (2,453 words) - 03:31, 18 May 2025
  • graph theory, a Smith graph is either of two kinds of graph. It is a graph whose adjacency matrix has largest eigenvalue at most 2, or has spectral radius...
    3 KB (305 words) - 07:45, 18 November 2024
  • Thumbnail for Cheeger constant (graph theory)
    spectral gap of the Laplacian matrix of the graph. The Cheeger inequality is a fundamental result and motivation for spectral graph theory. Spectral graph...
    7 KB (873 words) - 09:33, 2 August 2025
  • edge-weighted graph, i.e., with weights on its edges — the entries of the graph adjacency matrix. Spectral graph theory relates properties of a graph to a spectrum...
    45 KB (5,042 words) - 19:15, 16 May 2025
  • Appendix:Glossary of graph theory in Wiktionary, the free dictionary. This is a glossary of graph theory. Graph theory is the study of graphs, systems of nodes...
    109 KB (16,011 words) - 12:09, 30 June 2025
  • the characteristic polynomial to zero. In spectral graph theory, the characteristic polynomial of a graph is the characteristic polynomial of its adjacency...
    19 KB (3,050 words) - 23:34, 28 July 2025
  • as a graph Fourier basis. The Graph Fourier transform is important in spectral graph theory. It is widely applied in the recent study of graph structured...
    12 KB (1,845 words) - 20:01, 8 November 2024
  • Thumbnail for Hypergraph
    Hypergraph (redirect from Host graph)
    hypergraph learning techniques include hypergraph spectral clustering that extends the spectral graph theory with hypergraph Laplacian, and hypergraph semi-supervised...
    51 KB (6,853 words) - 15:42, 26 July 2025
  • Thumbnail for Lothar Collatz
    Lothar Collatz (category Graph theorists)
    the bombing of Darmstadt in World War II, founded the field of spectral graph theory. Collatz studied at universities in Germany including the University...
    9 KB (938 words) - 19:50, 2 July 2025
  • Thumbnail for Conductance (graph theory)
    In theoretical computer science, graph theory, and mathematics, the conductance is a parameter of a Markov chain that is closely tied to its mixing time...
    9 KB (1,428 words) - 07:38, 17 June 2025
  • Thumbnail for Strongly regular graph
    definition of a strongly regular graph based on spectral graph theory: a strongly regular graph is a finite regular graph that has exactly three eigenvalues...
    21 KB (3,491 words) - 19:25, 2 June 2025
  • Bivariegated graph Cage (graph theory) Cayley graph Circle graph Clique graph Cograph Common graph Complement of a graph Complete graph Cubic graph Cycle graph De...
    7 KB (663 words) - 02:52, 24 September 2024
  • Thumbnail for Cayley graph
    matrix of the graph and in particular applying the theorems of spectral graph theory. Conversely, for symmetric generating sets, the spectral and representation...
    29 KB (4,692 words) - 21:36, 19 June 2025
  • Thumbnail for Spectral clustering
    component analysis Cluster analysis Spectral graph theory Demmel, J. "CS267: Notes for Lecture 23, April 9, 1999, Graph Partitioning, Part 2". Jianbo Shi...
    27 KB (3,570 words) - 00:49, 31 July 2025
  • gives rise to the field of spectral graph theory. Dual to the observation above that every graph is an intersection graph is the fact that every partially...
    11 KB (1,209 words) - 11:19, 9 January 2024
  • Thumbnail for Root system
    connection to Lie theory (such as singularity theory). Finally, root systems are important for their own sake, as in spectral graph theory. As a first example...
    53 KB (6,237 words) - 09:29, 7 March 2025
  • In the mathematical discipline of graph theory, a matching or independent edge set in an undirected graph is a set of edges without common vertices. In...
    24 KB (3,032 words) - 23:25, 29 June 2025
  • Thumbnail for Luca Trevisan
    proofs, approximation, property testing, spectral graph theory, and sublinear algorithms. He also ran a blog, in theory, about theoretical computer science...
    5 KB (312 words) - 09:34, 25 September 2024
  • operators. Spectral graph theory the study of properties of a graph using methods from matrix theory. Spectral theory part of operator theory extending...
    71 KB (7,692 words) - 16:40, 4 July 2025
  • discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential...
    196 KB (20,120 words) - 20:23, 30 July 2025
  • Adjacency algebra (category Algebraic graph theory)
    with Spectral graph theory due to both them having the involvement of the Adjacency matrix of a graph and its eigenvalues. Spectral graph theory is about...
    3 KB (407 words) - 00:50, 11 March 2025
  • vertex. Walk-regular graphs can be thought of as a spectral graph theory analogue of vertex-transitive graphs. While a walk-regular graph is not necessarily...
    4 KB (613 words) - 19:58, 2 December 2024
  • over time. Cheeger constant (graph theory) Cheeger constant (Riemannian geometry) Eigengap Spectral gap (physics) Spectral radius "Impossible-Seeming Surfaces...
    1 KB (130 words) - 18:27, 23 April 2025