Tuesday, 9 August 2011

Graph Theory Lessons

The applets contain topics typically found in undergraduate graph theory and discrete structures classes like null graphs, the handshaking lemma, isomorphism, complete graphs, subgraphs, regular graphs, platonic graphs, adjacency matrices, graph coloring, bipartite graphs, simple circuits, Euler and Hamilton circuits, trees, unions and sums of graphs, complements of graphs, line graphs, spanning trees, plane graphs, shortest paths, minimal spanning trees. The applet utilizes Petersen software written by the author. Peterson can draw, edit and manipulate simple graphs, examine properties of the graphs, and demonstrate them using computer animation.



  • Lesson 1: Null graphs

  • Lesson 2: Handshaking Lemma

  • Lesson 3: Isomorphism

  • Lesson 4: Complete Graphs, Subgraphs

  • Lesson 5: Regular Graphs

  • Lesson 6: Platonic Graphs

  • Lesson 7: Adjacency Matrices

  • Lesson 8: Graph Coloring

  • Lesson 9: Bipartite Graphs

  • Lesson 10: Stars and Tripartite Graphs

  • Lesson 11: Circuits and Wheels

  • Lesson 12: Euler Circuits, Hamilton Circuits and Directed Graphs

  • Lesson 13: Trees and Searches

  • Lesson 14: Unions and Sums

  • Lesson 15: Complements

  • Lesson 16: Prisms

  • Lesson 17: Laces

  • Lesson 18: Line Graphs

  • Lesson 19: Grids

  • Lesson 20: Spanning Trees

  • Lesson 21: Planar Graphs

  • Lesson 22: Dual Graphs

  • Lesson 23: Weighted Graphs, Shortest Paths, and Minimal Spanning Trees 

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