Expression Evaluation and Fundamental Physics—Stephen Wolfram Writings

A deep correspondence is discussed between the computational evaluation of symbolic expressions and recent results on discrete models of fundamental physics.

Contents Top An Unexpected Correspondence Causal Graphs and Spacetime Foliations and the Definition of Time Multiway Evaluation and Multiway Graphs Branchlike Separation Interpretations, Analogies and the Concept of Multi Is There Always a Definite Result? Computations That Never End Transfinite Evaluation The Question of the Observer The Tree Structure of Expressions Grinding Everything Down to Hypergraphs The Rulial Case The Practical Computing Story Some Personal History: Recursion Control in SMP After SMP: Further Personal History Notes & Thanks Expression Evaluation and Fundamental Physic

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