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Self-Organization and Templates: Patterns in Nature

Explore self-organization in clusters like corpse piles, termite nests, and ant colonies. Learn about templates shaping behaviors in Swarm AI. Math models reveal insights into royal chamber construction. Delve into natural gradients and pellet pheromones.

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Self-Organization and Templates: Patterns in Nature

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  1. Self-Organization and Templates Andrew “Tookie” Matiukas

  2. Self-Organization (Previously) • Self-Organization is the formation of clusters • Corpse piles • Brood Sorting • Larger Clusters grow even larger • More attractive than smaller clusters • Arbitrary Locations

  3. Templates • A pattern used to create another pattern • In Swarm AI pre-existing pattern that shapes the results of the self-organization • Termite Queen and royal chamber • Brood pile and the ant nest

  4. Termite Template • Workers deposit pellets around the queen • Pheromone emitted by the queen controls distance from her • Pellets have own pheromone • Causes self-organization of the workers • Column building behavior • Queen pheromone overrides the pellets

  5. Ant Templates • Templates can also be natural gradients • Temperature gradient • Acantholepsis custodiens moves eggs, larvae, and pupae as temperature changes in the hill • Image unavailable (look at board)

  6. Math Models of Royal Chamber Construction • Changes in concentration of pellet pheromone is a function of: • Number of pellets • Pheromone decay • Pheromone diffusion

  7. Math Models of Royal Chamber Construction (continued) • Density of termites with pellets is a function of: • Inflow of loaded termites (temporary constant flow) • Amount of deposited pellets • Random movement of termites • Attractiveness of pheromone gradient

  8. Notes on the Model • Columns do not always form • Caused by too few termites (low density of workers) • Rate of pellets dropped too low • Model does not show observed double movement • Same results none the less

  9. ?Questions?

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