e-sygoing.link — Graph Theory https://e-sygoing.link Latest links in the Graph Theory category en-us Sun, 24 May 2026 00:20:45 -0400 Four Colour Theorem https://e-sygoing.link/link/5283697-four-colour-theorem A new proof of the four color theorem by Ashay Dharwadker that uses group theory and Steiner systems. Thu, 06 Nov 2025 05:13:46 -0500 https://e-sygoing.link/go/5283697 Hamiltonian Circuit Algorithm https://e-sygoing.link/link/5283709-hamiltonian-circuit-algorithm A new algorithm for finding Hamiltonian circuits with a constructive proof of Dirac's theorem and applications to finding Knight's Tours by Ashay Dharwadker. Thu, 25 Sep 2025 17:42:43 -0400 https://e-sygoing.link/go/5283709 Graphnet Archives https://e-sygoing.link/link/5283695-graphnet-archives Archives of the Graphnet mailing list from February 1990. Sun, 06 Jul 2025 05:19:00 -0400 https://e-sygoing.link/go/5283695 Parameters of Directed Strongly Regular Graphs https://e-sygoing.link/link/5283711-parameters-of-directed-strongly-regular-graphs Parameters, constructions and nonexistence information for directed strongly regular graphs. Tue, 11 Mar 2025 08:51:17 -0400 https://e-sygoing.link/go/5283711 Regular Graphs Page https://e-sygoing.link/link/5283688-regular-graphs-page Tables of simple connected k-regular graphs on n vertices and girth at least g. Wed, 18 Dec 2024 23:58:37 -0500 https://e-sygoing.link/go/5283688 Thrackles https://e-sygoing.link/link/5283707-thrackles Jon Perry's pages on the thrackle conjecture. Fri, 23 Aug 2024 13:10:05 -0400 https://e-sygoing.link/go/5283707 A Survey of Distance-Transitive Graphs https://e-sygoing.link/link/5283701-a-survey-of-distance-transitive-graphs By Arjeh M. Cohen. Mon, 17 Jun 2024 05:50:00 -0400 https://e-sygoing.link/go/5283701 Knight's Tour Problem https://e-sygoing.link/link/5283702-knights-tour-problem Solution for chess boards with upto 32 squares. Fri, 31 May 2024 04:58:37 -0400 https://e-sygoing.link/go/5283702