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  • Life ≠ alive
    by cxdig (Complexity Digest) on November 27, 2021

    A cat is alive, a sofa is not: that much we know. But a sofa is also part of life. Information theory tells us why Read the full article at:

  • Hidden transition in multiplex networks
    by cxdig (Complexity Digest) on November 26, 2021

    R. A. da Costa, G. J. Baxter, S. N. Dorogovtsev, J. F. F. MendesWeak multiplex percolation generalizes percolation to multi-layer networks, represented as networks with a common set of nodes linked by multiple types (colors) of edges. We report a novel discontinuous phase transition in this problem. This anomalous transition occurs in networks of three or more layers without unconnected nodes, P(0)=0. Above a critical value of a control parameter, the removal of a tiny fraction Δ of nodes or […]

  • Researchers Defeat Randomness to Create Ideal Code
    by cxdig (Complexity Digest) on November 26, 2021

    By carefully constructing a multidimensional and well-connected graph, a team of researchers has finally created a long-sought locally testable code that can immediately betray whether it’s been corrupted. Read the full article at:

  • The Complex Alternative: Complexity Scientists on the COVID-19 Pandemic
    by cxdig (Complexity Digest) on November 22, 2021

    COVID-19 is the virus that proved the fragility of the world. It took only the simplest form of life to shake the connectivity and dependency of society. This book is a real-time record and recommendation from a community of complexity scientists reacting to the pandemic. Through nontechnical articles, interviews, and discussions spanning the early days of the pandemic through the fall of 2021, researchers seek ways to stay responsive to complexity when every force conspires toward simplicity. […]

  • To Be Energy-Efficient, Brains Predict Their Perceptions
    by cxdig (Complexity Digest) on November 19, 2021

    Results from neural networks support the idea that brains are “prediction machines” — and that they work that way to conserve energy. Read the full article at: