2026
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自私的基因：第 12 章 好人终有好报
TLDR: Repeated interaction changes the logic of selfishness, making cooperation viable when strategies can be nice, retaliatory, forgiving, and non-envious.
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Sutton RL: Chapter 6 - Temporal-Difference Learning
TLDR: TD learning updates from partial experience by bootstrapping current value estimates, combining Monte Carlo sampling with dynamic-programming-style updates.
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Sutton RL: Chapter 5 - Monte Carlo Methods
TLDR: Monte Carlo methods learn value from complete sampled episodes, trading model-free simplicity for delayed updates and return variance.
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Sutton RL: Day 2 - Multi-Armed Bandits
TLDR: Multi-armed bandits isolate the exploration/exploitation problem by removing state transitions and making action-value estimation the center.
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Sutton RL: Day 3 - Dynamic Programming
Dynamic programming is the model-based starting point of reinforcement learning: with known MDP dynamics, Bellman equations become iterative value and policy update rules.
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Sutton RL: Day 1 - RL Problem and MDP Basics
TLDR: RL is interaction for long-term reward: policy chooses actions, reward gives feedback, value estimates future return, and Bellman equations connect the pieces.
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自私的基因：第 10 章 你为我搔痒，我就骑在你的头上
TLDR: Group living and apparent altruism can often be read through self-protection, kinship, exploitation, reciprocal exchange, and the costs of being alone.
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自私的基因：第 9 章 两性战争
TLDR: Sexual conflict begins with unequal parental investment, pushing males and females toward different strategies around mating, care, loyalty, and display.