Word.ws English Dictionary

diffeologies

diffeologies is the plural of diffeology.

Meaning of diffeology

Noun

diffeology (plural diffeologies)

  1. (differential geometry) The set of smooth parametrizations of a given set X; the set of smooth maps S→X, where S is any open set ⊆ℝⁿ; the theory of such constructs.
    • In this case, A and f(A) are both D-open and f#58;A#92;rightarrowf(A) is a diffeomorphism where A and f(A) are equipped with their subset diffeology.2007, Jan Kubarski, Geometry and Topology of Manifolds: The Mathematical Legacy of Charles Ehresmann; on the Occasion of the Hundredth Anniversary of His Birthday, page 358

Questions about diffeologies

What is diffeologies the plural of?
Diffeologies is the plural of diffeology.

Words near diffeologies in the dictionary

  1. Diffees
  2. Diffenderfer
  3. Diffenderfers
  4. diffeological
  5. diffeologically
  6. diffeologies
  7. diffeology
  8. diffeomorphic
  9. diffeomorphically
  10. diffeomorphism
  11. diffeomorphisms

Source and license

Adapted from Wiktionary: diffeologies (page history and authors); diffeology (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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