koopmans

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Thân thiện
Definition
  1. Proper noun:
    • A surname of Dutch origin: "Koopmans" is a Dutch surname, often indicating a family's historical occupation or lineage.
    • Referring to Tjalling Charles Koopmans: Specifically, it refers to Tjalling Charles Koopmans, a Dutch-American economist and Nobel laureate.
Examples of Usage
  • Proper noun:
    • The Koopmans theorem is a fundamental concept in quantum chemistry and economics.
    • Tjalling Koopmans shared the 1975 Nobel Memorial Prize in Economic Sciences.
Advanced Usage
  • "Koopmans' theorem": A principle in computational chemistry and economics related to orbital energies and efficiency.
    • In density functional theory, Koopmans' theorem provides a connection between ionization potentials and orbital energies.
Variants and Related Words
  • Koopman (noun): A common variant or anglicized spelling of the surname.
    • The Koopman operator is a concept in dynamical systems theory.
Synonyms
  • Economist: A scholar of economics (when referring specifically to Tjalling Koopmans).
  • Nobel laureate: A recipient of a Nobel Prize.
Notes on Meaning

This word is almost exclusively used as a proper noun referring to a specific individual, Tjalling Koopmans, and the concepts derived from his work. Its usage as a common noun is extremely rare outside of this specific reference.

Noun
  1. United States economist (born in the Netherlands) (1910-1985)

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