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Revision as of 09:24, 13 September 2011
Contents
Today's assignment
Social structure. Read Preface, p. 1, and sections 1.1 to 1.3.2. Graph theory exercise due (distributed by email) - submit answers via the Moodle (see above for instructions regarding network diagrams). Brainstorm some MCSN examples with research questions.
Question of the day
- How does a new musical trend (song, artist, style, genre) spread? (diffusion phenomenon)
- What sorts of questions (naive) might we like to answer about such a phenomenon?
- How could musical diffusion be modelled with SNA?
- What sorts of research methods could be applied?
Review
- Last class...
- course outline (any questions?)
Technical details
- Any questions on using the Moodle?
- Any problems with Pajek? Issues with Wine?
- Were you able to obtain and open the Pajek datasets?
Graph theory (Wilson ch. 1)
- vertex
- edge,arc
- degree
- graph, digraph
- multiple edges, loops
- simple graph
- walk (alternating sequence of connected vertices and lines)
- path (alternating sequence of connected vertices and lines, such that the vertices don't repeat)
- Eulerian graph (contains a walk containing every edge once, and returning to starting point)
- Hamiltonian graph (contains a walk containing every vertex once, and returning to starting point)
- connected and disconnected graphs
- tree (only one path between each pair of vertices)
- planar graph
- counting graphs
- isomorphic graphs, and difference
- how many different simple graphs can you create with a fixed number of vertices? (1,2,3,4)
- Wilson ch.1 questions
ESNAP reading
- Sections 1.1 to 1.3.2.
