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Everything about Composition operator

Linear operator in mathematics

In mathematics, the composition operator with symbol is a linear operator defined by the rule where denotes function composition. It is also encountered in composition of permutations in permutation groups. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Composition operatorA 5-minute orientation
  2. Skim a recent paper: Resolvent of the parallel composition and the proximity operator of the infimal postcompositionInfluential work since 2022
  3. Pick up a classic book: Challenges in Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 2The most-reprinted book on the subject
  4. Read the landmark paper: The Essential Norm of a Composition OperatorCited 278 times
  5. Go sideways: Transfer operatorA closely related topic
  6. Go sideways: Jacobi operatorA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

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