Concept information
Preferred term
moduli space
Definition(s)
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In mathematics, in particular algebraic geometry, a moduli space is a geometric space (usually a scheme or an algebraic stack) whose points represent algebro-geometric objects of some fixed kind, or isomorphism classes of such objects. Such spaces frequently arise as solutions to classification problems: If one can show that a collection of interesting objects (e.g., the smooth algebraic curves of a fixed genus) can be given the structure of a geometric space, then one can parametrize such objects by introducing coordinates on the resulting space. In this context, the term "modulus" is used synonymously with "parameter"; moduli spaces were first understood as spaces of parameters rather than as spaces of objects. A variant of moduli spaces is formal moduli. Bernhard Riemann first used the term "moduli" in 1857.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Moduli_space)
Broader concept(s)
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-TQW9LZ6Z-4
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