Social Networks from the Perspective of Physics
author:
János Kertész,
Institute of Physics, Budapest University of Technology and Economics
Description
'In the history of public speaking, there have been many famous denials. One sunny day in 1880, Karl Marx declared: 'I am not a Marxist'. On a less auspicious occasion in 1973, Richard Nixon insisted 'I am not a crook'. Neither Marx’ nor Nixon’s audience gave much credence to their denials, and you too may respond with disbelief when I tell you that 'I am not a networker'. (Marc Granovetter, Connections, 1990) ... 'Instead, the slogan of the day will be 'We are all networkers now'.
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| Slides | |
| 0:00 | Social networks from the perspective of Physics |
| 0:33 | Outline |
| 1:53 | Introduction - part 1 |
| 3:30 | Introduction - part 2 |
| 4:41 | Introduction - part 3 |
| 6:12 | Introduction - part 4 |
| 8:08 | Outline |
| 8:10 | Constructing the Network - part 1 |
| 9:51 | Constructing the Network - part 2 |
| 11:00 | Outline |
| 11:03 | Basic Statistics: Visualisation |
| 11:40 | Basic Statistics: Distributions |
| 12:32 | Outline |
| 12:33 | Granovetter’s Weak Ties Hypothesis -part 1 |
| 14:31 | Granovetter’s Weak Ties Hypothesis -part 2 |
| 16:15 | Ovrlap |
| 16:39 | Empirical Verification |
| 17:59 | Local Implications |
| 18:10 | A Piece of the Network |
| 18:28 | Local Implications |
| 18:52 | A Piece of the Network |
| 19:07 | Overlap |
| 19:11 | High Weight Links? |
| 20:17 | Outline |
| 20:28 | Thresholding Analysis: Introduction |
| 21:07 | Thresholding - part 1 |
| 21:15 | Thresholding - part 2 |
| 21:34 | Thresholding - part 3 |
| 21:51 | Thresholding - part 4 |
| 21:53 | Thresholding - part 5 |
| 21:54 | Thresholding: Size of Largest Component |
| 22:26 | Thresholding: Size of Other Components( |
| 23:16 | Outline |
| 23:58 | Diffusion of information - part 1 |
| 26:43 | Diffusion of information - part 2 |
| 27:33 | Diffusion of information - part 3 |
| 28:40 | Outline |
| 28:48 | Modeling - part 1 |
| 29:40 | Modeling - part 2 |
| 30:24 | Modeling - part 3 |
| 32:01 | Microscopic rules in the model |
| 32:27 | Social network model |
| 33:35 | Communities by inspection |
| 33:42 | Communities by k-clique method |
| 35:16 | Global consequences |
| 35:36 | Modeling |
| 35:59 | Outline |
| 36:01 | Discussionand Conclusion |
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