Presented at CERSA, Paris, April 2 2012.

1. æ
Networks, Complexity and
Internet Regulation
Andres Guadamuz
Monday, 2 April 12

2. æ
2
Insert apology
http://www.flickr.com/photos/30633847@N07/2870575547/sizes/m/in/photostream/
Monday, 2 April 12

3. æ
Introduction
Monday, 2 April 12

4. å
Psychohistory
“PSYCHOHISTORY - … Gaal
Dornick, using non-mathematical
concepts, has defined
psychohistory to be that branch
of mathematics which deals with
the reactions of human
conglomerates to fixed and social
stimuli…”
Isaac Asimov, Foundation
Monday, 2 April 12

5. å
5
Physical - social dichotomy
Monday, 2 April 12

6. å
6
The physical modelling of
social systems
Monday, 2 April 12

7. æ
The science of
complexity
Monday, 2 April 12

8. å
8
Some concepts
Network: System of interconnected things.
Nodes: individual elements in network
Links: relationships between nodes
Hubs: super nodes.
Graphs: graphical representation of networks
Monday, 2 April 12

9. å
9
Random network
Monday, 2 April 12

10. å
10
Scale-free network
Monday, 2 April 12

11. å
11
Power laws
Monday, 2 April 12

12. å
12
Random v scale-free
Monday, 2 April 12

13. å
13
Distributions
“Bell” Distributions Power Law Distributions
Monday, 2 April 12

14. å
Network explosion
Monday, 2 April 12

15. å
15
Characteristics
Long tails. Cascading failures: Potential
vulnerability if super hubs
Connectedness: “Six
are removed.
degrees of separation”
Tipping points, cascading
Accumulation of links: “the
effects, mob behaviour .
rich get richer”
Centrality: some hubs can
Hyper-accumulation of links:
be more important if they
“the winner takes all”
have a central role in the
Pareto distribution: 80-20 network.
rule Robustness: resilient to
random attacks
Monday, 2 April 12

16. å
16
Six degrees of interdisciplinary
collaborations
Monday, 2 April 12

17. å
17
Six degrees of scholarly
citation
Monday, 2 April 12

18. å
18
Scale-free sexual contacts
Monday, 2 April 12

19. å
19
Power law of Mandarin
Monday, 2 April 12

20. å
20
Long tail in WoW guild sizes
Monday, 2 April 12

21. å
21
Scale-free genetic clusters
Monday, 2 April 12

22. å
22
Scale-free yeast proteins
Monday, 2 April 12

23. å
23
Six degrees websites
Monday, 2 April 12

24. æ
24
Internet regulation
Monday, 2 April 12

25. å
25
The perception of Internet
Regulation
Monday, 2 April 12

26. å
26
Reality
Monday, 2 April 12

27. å
26
Reality
Monday, 2 April 12

28. å
26
Reality
Monday, 2 April 12

29. å
26
Reality
Monday, 2 April 12

30. å
27
The Internet
Monday, 2 April 12

31. å
28
Internet from network
theory standpoint
Distributed architecture
Tending towards national and regional centralisation of nodes.
Scale-free.
Displays some small world clusters.
Power laws at high level of granularity.
P2P networks, botnets, all highly resilient.
Monday, 2 April 12

32. å
29
How can complex studies
help?
Monday, 2 April 12

33. å
30
Architecture
Monday, 2 April 12

34. å
31
Centrality
Monday, 2 April 12

35. å
31
Centrality
Monday, 2 April 12

36. å
32
Copyright Policy: The Long
Tail
Monday, 2 April 12

37. å
32
Copyright Policy: The Long
Tail
Monday, 2 April 12

38. å
32
Copyright Policy: The Long
Tail
Monday, 2 April 12

39. å
32
Copyright Policy: The Long
Tail
Monday, 2 April 12

40. å
32
Copyright Policy: The Long
Tail
Monday, 2 April 12

41. å
33
P2P resilience
Monday, 2 April 12

42. å
34
Torrent popularity
Monday, 2 April 12

43. å
35
Cybercrime policy
Monday, 2 April 12

44. å
36
Spam nets
Monday, 2 April 12

45. å
37
Botnets
Monday, 2 April 12

46. å
38
Privacy
Monday, 2 April 12

47. å
39
Social networks
Monday, 2 April 12

48. æ
40
Concluding...
Monday, 2 April 12

49. æ
41
anduril13@gmail.com
Monday, 2 April 12