Editing Complex

{{wiktionary|complex|complexes}}
'''Complex''' commonly refers to:

* [[Complexity]], the behaviour of a system whose components interact in multiple ways so possible interactions are difficult to describe
** [[Complex system]], a system composed of many components which may interact with each other
* [[Complex (psychology)]], a core pattern of emotions etc. in the personal unconscious organized around a common theme such as power or status

'''Complex''' may also refer to:
{{TOC right}}
==Arts, entertainment and media==
* [[Complex (English band)]], formed in 1968, and their 1971 album ''Complex''
* [[Complex (band)]], a Japanese rock band
* [[Complex (album)|''Complex'' (album)]], by Montaigne, 2019, and its title track
* [[Complex (EP)|''Complex'' (EP)]], by Rifle Sport, 1985
* [[Complex (song)|"Complex" (song)]], by Gary Numan, 1979
* "Complex", a song by [[Katie Gregson-MacLeod]], 2022
* "Complex" a song by [[Be'O]] and [[Zico (rapper)|Zico]], 2022
* [[Complex Networks]], publisher of the now-only-online magazine ''Complex''

==Biology==
* [[Protein–ligand complex]], a complex of a protein bound with a ligand
* [[Exosome complex]], a multi-protein intracellular complex 
* [[Protein complex]], a group of two or more associated polypeptide chains
* [[Species complex]], a cluster of very similar species difficult to delimit
* [[Pre-Bötzinger complex]], a cluster of interneurons in the ventral respiratory group of the medulla of the brainstem

==Chemistry==
* [[Coordination complex]], a central atom or ion and a surrounding array of bound molecules or ions
* [[Chelate complex]], a coordination complex with more than one bond

==Mathematics==
* [[Complex number]], an extension of real numbers obtained by adjoining imaginary numbers
* Complex, an element of a [[field of sets]]
* [[Chain complex]], an algebraic structure
* [[Simplicial complex]], a kind of topological space 
* [[CW complex]], a kind of topological space
* [[Line complex]], a 3-dimensional family of lines in space

==Geology==
* [[Complex (geology)]], a unit of rocks composed of rocks of two or three types
* [[Complex crater]], a type of large impact crater morphology
* [[Volcanic complex]], a group of volcanoes
* [[Complex volcano]], a volcano of mixed form
* [[Accretionary complex]], a fossil accretionary wedge

==Other uses ==
* Building complex, a group of inter-related [[building#Complex|buildings]]
** [[Housing complex]], specifically residential
** [[Shopping center|Market complex]], group of stores or business firms in a marketplace having common walkway(s), usually enclosed within a boundary or situated under one roof
* UCL Centre for Mathematics and Physics in the Life Sciences and Experimental Biology (CoMPLEX), part of [[UCL Faculty of Mathematical and Physical Sciences]], London, UK

==See also==
{{srt}}
* [[Complexity (disambiguation)]]
* [[Complexity theory (disambiguation)]]
* [[Military–industrial complex]]

{{disambiguation}}