klotz: complex systems*

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  1. A team from MIT has developed an algorithm to identify causal links in complex systems by measuring interactions between variables over time.

    The versatile algorithm identifies variables that likely influence others in complex systems. This method analyzes data collected over time to measure interactions between variables and estimate the impact of changes in one variable on another. It generates a "causality map" showing which variables are strongly linked.

    The algorithm distinguishes between different types of causality:
    - **Synergistic:** A variable only influences another when paired with a second variable.
    - **Redundant:** A change in one variable has the same effect as another variable.

    The algorithm also estimates "causal leakage," indicating that some unknown influence is missing.
  2. Stephen Wolfram discusses the mysteries of machine learning and offers some minimal models to understand the essence of neural nets and their learning process.
  3. MIT researchers have developed a framework using large language models (LLMs) to efficiently detect anomalies in time-series data from complex systems like wind farms or satellites, potentially flagging problems before they occur.
  4. The relationship between predictability and reconstructability, and how it can vary in opposite directions in complex systems. The work is based on information theory and was performed on various dynamics on random graphs, including continuous deterministic systems, and provides analytical calculations of the uncertainty coefficients for many different systems.
  5. 2021-07-04 Tags: , , by klotz
  6. 2020-01-21 Tags: , , , by klotz

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