Partition
191212
224048813
2008-07-07T02:18:16Z
Michael Hardy
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{{Wiktionarypar|partition}}
Generally, a '''partition''' is a splitting of something into parts. The term is used in a variety of senses:
== Law ==
*[[Partition (law)]], to divide up a piece of land into separate portions representing the proportionate interests of the tenants. It may also consist of dividing a property with common ownership into identifiable individual ownership
== Computing ==
* [[Disk partitioning]] organisation of a disk on PC systems
* [[Partition (database)]] division of a database into parts
* [[Logical partition]] division of a physical memory into protected areas
== Mathematics ==
* [[List of partition topics]]
* [[Partition of a set]], a collection of non-empty subsets such that every element belongs to one and only one of the subsets
* [[Partition (number theory)]], a way to write a positive integer as a sum of other positive integers; the partition function gives the number of different ways to partition a number
* [[Multiplicative partition]], a way to write an integer greater than 1 as a product of other integers that are also greater than 1.
* [[Partition problem]], an NP-complete problem: given a set of integers, can the set be partitioned into two subsets with equal sums?
* A [[partition of unity]] is a set of functions whose sum is the constant function
* [[Partition of an interval]], used in the theory of the Riemann integral and the Riemann-Stieltjes integral
== Music ==
* [[Partition (music)]] — a method of creating segments from sets when the twelve-tone technique is used
== Film ==
*[[Partition (film)|''Partition'' (film)]]
*[[Partition (1987 film)|''Partition'' (1987 film)]]
== Physics ==
* [[Partition function (statistical mechanics)]]
* [[Partition function (quantum field theory)]]
== Political geography ==
* [[Partition (politics)]]
Notable examples are:
* [[Partitions of Poland]] and Poland-Lithuania in the 18th, 19th and 20th centuries
* [[Partition of Bengal (1905)|1905 Partition of Bengal]] and [[Partition of Bengal (1947)|1947 Partition of Bengal]]
* [[Partition of India]] (colonial British India) in 1947 into the independent dominions (later republics) of India and Pakistan (which included modern day Bangladesh)
* [[Patiala and East Punjab States Union|Partition of Punjab]] in 1966 into the states of Punjab, Haryana and Himachal Pradesh
* [[Bangladesh Liberation War|Partition of Pakistan]] in 1971, when East Pakistan became the independent nation of Bangladesh after the Bangladesh Liberation War
* [[1947 UN Partition Plan]] for Palestine (region)
* [[Partition of Ireland]] in 1920 into the independent Irish Free State and (British) Northern Ireland
* [[Treaty of Kars]] of 1921, which partitioned Ottoman Armenia between the republic of Turkey and the then Soviet Union (Western and Eastern Armenia)
* [[Partition of Vietnam]] in 1954
* [[Partitions of Luxembourg]], last in 1838 into Duchy of Luxembourg and Belgian province
* The hypothetical [[partition of Quebec|partition of the Canadian province of Quebec]]
== Furniture ==
* Office [[partition (office)|partition]]s, which may be used to form [[cubicle]]s
* Folding screens such as [[Byōbu]]
== See also ==
*[[Division (disambiguation)]]
*[[Stratification]]
{{disambig}}
[[de:Partition]]
[[es:Partición]]
[[fr:Partition]]
[[he:מחיצה]]
[[it:Partizione]]
[[hu:Partíció (egyértelműsítő)]]
[[nl:Partitie]]
[[zh:分割]]