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Efficiency Bound of Learning with Coarse Graining |
| Minghao Li, Shihao Xia, Youlin Wang, Minglong Lv, Jincan Chen, and Shanhe Su* |
| Department of Physics, Xiamen University, Xiamen 361005, China |
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Minghao Li, Shihao Xia, Youlin Wang et al 2023 Chin. Phys. Lett. 40 110501 |
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Abstract A thermodynamic formalism describing the efficiency of information learning is proposed, which is applicable to stochastic thermodynamic systems with multiple internal degrees of freedom. The learning rate, entropy production rate and entropy flow from the system to the environment under coarse-grained dynamics are derived. The Cauchy–Schwarz inequality is applied to demonstrate the lower bound on the entropy production rate of an internal state. The inequality of the entropy production rate is tighter than the Clausius inequality, leading to a derivative of the upper bound on the efficiency of learning. The results are verified in cellular networks with information processes.
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Received: 06 August 2023
Published: 25 October 2023
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