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Xinyang Normal University

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  1. China's Holocene crops did not spread as one farming frontier: millet, rice and wheat/barley each followed their own spatial opportunity structure

    Holocene agriculture in China did not expand as one uniform farming frontier. Combining archaeological crop records with palaeoclimate, terrain and river-network data, a crop-specific dynamic non-local diffusion model estimates the relative probability of new crop records during 6000–2000 BP. Millet records were most associated with same-crop persistence and non-local diffusion, rice records most with humid-lowland environmental filtering, and wheat/barley records with corridor-like accessibility along the Hexi Corridor–Central Plains belts and higher frontier mobility.

  2. SGMR co-evolves strategies and multilayer economic links under one dynamic potential, converging faster with higher welfare and stronger noise resilience on synthetic networks

    This paper develops a co-evolutionary multilayer potential game in which boundedly rational agents update mixed strategies while market, information, and institutional links adapt to observed compatibility and diffusion signals, and proposes a stability-guarded mirror-replicator (SGMR) dynamic combining entropy-regularized strategy revision, projected link rewiring, and a spectral safeguard; the authors prove that the mirror step recovers replicator dynamics in the small-step limit and establish the exact-potential property, monotone potential improvement, sublinear stationarity, and local input-to-state stability under observation disturbances, with computational experiments on synthetic economic networks showing faster convergence, higher collective welfare, stronger noise resilience, an

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