Multiplicity may refer to:
In science and the humanities
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Multiplicity (mathematics)
In mathematics, the multiplicity of a member of a multiset is the number of times it appears in the multiset. For example, the number of times a given polynomial has a root at a given point is the multiplicity of that root.
The notion of multipl ...
, the number of times an element is repeated in a multiset
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Multiplicity (philosophy)
Multiplicity (french: multiplicité) is a philosophical concept developed by Edmund Husserl and Henri Bergson from Riemann's description of the mathematical concept. In his essay The Idea of Duration, Bergson discusses multiplicity in light of ...
, a philosophical concept
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Multiplicity (psychology)
Plurality or multiplicity is the psychological phenomenon in which a body can feature multiple distinct or overlapping consciousnesses, each with their own degree of individuality. This phenomenon can feature in identity disturbance, dissociative ...
, having or using multiple personalities
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Multiplicity (chemistry)
In spectroscopy and quantum chemistry, the multiplicity of an energy level is defined as ''2S+1'', where ''S'' is the
total spin angular momentum. States with multiplicity 1, 2, 3, 4, 5 are respectively called singlets, doublets, triplets, qu ...
, multiplicity in quantum chemistry is a function of angular spin momentum
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Multiplicity (software) Multiplicity is a computer program that enables one computer keyboard, keyboard and computer mouse, mouse to access two or more ''client'' computers from a ''host'' computer. It was developed for Stardock as part of their ThinkDesk subscription serv ...
, a software application which allows a user to control two or more computers from one mouse and keyboard
* Multiplicity, a type of relationship in
class diagrams for Unified Modeling Language used in software engineering
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Multiplicity (statistical mechanics) In statistical mechanics, multiplicity (also called statistical weight) refers to the number of microstates corresponding to a particular macrostate of a thermodynamic system. Commonly denoted \Omega, it is related to the configuration entropy o ...
, the number of
microstates corresponding to a particular
macrostate
In statistical mechanics, a microstate is a specific microscopic configuration of a thermodynamic system that the system may occupy with a certain probability in the course of its thermal fluctuations. In contrast, the macrostate of a system refe ...
in a
thermodynamic system
A thermodynamic system is a body of matter and/or radiation, confined in space by walls, with defined permeabilities, which separate it from its surroundings. The surroundings may include other thermodynamic systems, or physical systems that are ...
, symbolized by the Greek letter Ω
* Statistical multiplicity, also known as the problem of
multiple comparisons
In statistics, the multiple comparisons, multiplicity or multiple testing problem occurs when one considers a set of statistical inferences simultaneously or infers a subset of parameters selected based on the observed values.
The more inferences ...
.
In the arts
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''Multiplicity'' (film), a 1996 comedy film starring Michael Keaton
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''Multiplicity'' (album), 2005 studio album by Dave Weckl
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