Complex systems around us
Complex systems around us
-
Birds that flock as they fly
How are starlings and crows able to flock despite not having a specified leader?
Related models
- Axelrod’s dissemination of culture model
-
Occurrence of natural traffic congestion
How does so-called “natural traffic congestion,” which occurs organically on expressways despite no particular accidents or roadworks, arise?
Related models
- ASEP model / Natural traffic congestion occurrence model
-
Dissemination of culture
People form cultures out of a variety of attitudes and preferences. How does such a culture spread and change? How does culture spread?/ As the world becomes larger, does culture also become more varied?/ How do languages and culture disappear/change? / Do animals also have cultures? / How is culture expressed?
Related models
- Axelrod’s dissemination of culture model
-
The prisoner's dilemma / social dilemma
Assuming that humans are innately selfish, how should we aim to create a better society through mutual cooperation? Why does wrongdoing occur? We use the prisoner's dilemma to think about human nature. What is the prisoner's dilemma/social dilemma? / The prisoner's dilemma makes us think about human nature. / Does “tit for tat” really lead to a better society? / Does cooperation really produce benefits? / Why do people skip the cleaning when it's their turn? / Will eels become extinct as a result of overfishing?
Related models
- Prisoner's dilemma tournament model
-
Connections between people
Have you never felt that the world is an unexpectedly small place, such as when your friend's friend turns out to be your own friend? What kind of network do these connections between people (human relationships) form? We express human connections as social networks, and look at their characteristics and methods for their analysis. Society is made from the connections between individual people. / Looking at the invisible connections between fellow humans / Are all human beings only six degrees of separation from each other!? Small world network / Are close friends unreliable in a pinch? Word of mouth and panic / Networks all around us / How are networks connected? / Analyzing connections /
Related models
- Watts–Strogatz model / Barabási–Albert model
