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The algorithmic origins of life
Sara Imari Walker1, Paul C W Davies
1NASA Astrobiology Institute, , Mountain View, CA, USA. sara.i.walker@asu.edu
Journal of the Royal Society, Interface
|December 14, 2012
Summary
Life
Area of Science:
- * Origin of Life studies
- * Systems Biology
- * Theoretical Physics
Background:
- * Defining life remains a challenge, with information recognized as a key characteristic.
- * Living systems exhibit unique informational narratives and context-dependent causal influences.
- * Top-down causation, where higher organizational levels influence lower levels, is crucial in biological hierarchies.
Purpose of the Study:
- * To propose a new framework for understanding the emergence of life.
- * To characterize life as a physical transition driven by information's causal efficacy.
- * To explore the relationship between information processing and the origin of life.
Main Methods:
- * Conceptual analysis of information theory and causation in biological systems.
- * Analogy drawn between the emergence of life and thermodynamic phase transitions.
- * Exploration of dynamical information and causal architecture for system state determination.
Main Results:
- * Life may emerge through a physical transition where information gains causal power over matter.
- * This transition is characterized by a shift in the system's causal structure.
- * Distinguishing between life and non-life requires analyzing dynamical information and causal architecture.
Conclusions:
- * The emergence of life can be viewed as a phase transition involving information's causal role.
- * Novel research directions include laboratory studies to measure this transition.
- * This framework links the origin of life to the development of algorithmic information processing.
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