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Everything about Veblen function

Mathematical function on ordinals

In mathematics, the Veblen functions are a hierarchy of normal functions, introduced by Oswald Veblen in Veblen (1908). If φ0 is any normal function, then for any non-zero ordinal α, φα is the function enumerating the common fixed points of φβ for β<α. These functions are all normal. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Veblen functionA 5-minute orientation
  2. Skim a recent paper: Demand, the law of demand, Giffen and Veblen effects. Part 1. Functional demandInfluential work since 2022
  3. Pick up a classic book: Introduction to Infinitesimal Analysis: Functions of One Real VariableThe most-reprinted book on the subject
  4. Go sideways: Epsilon numberA closely related topic
  5. Go sideways: Ordinal notationA closely related topic

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🗂️ The subject at a glance

  1. Veblen hierarchy
  2. Generalizations
  3. Values

🏆 Landmark papers (most cited)

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