Cross-domain structural pattern
Shared resource use creates a cooperation dilemma with cleaning costs, contamination risk, and social incentives forming competing pressures. Cleaning cost primarily determines stability of altruistic behavior. The system exhibits multi-stability and hysteresis - small parameter changes can cause abrupt shifts between cooperation and free-riding equilibria.
view paper→New task learning overwrites previous task representations (catastrophic forgetting). Replay of old examples maintains previous capabilities. Sparse replay selects critical examples minimizing memory requirements. Gradient alignment between tasks reduces interference. Trade-off: memory efficiency versus retention quality versus computational overhead.
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