Ket or KET may refer to:

Algebra

*The right part of

bra–ket notation Bra–ket notation, also called Dirac notation, is a notation for linear algebra and linear operators on complex vector spaces together with their dual space both in the finite-dimensional and infinite-dimensional case. It is specifically de ...

, \psi\rangle

Ket (software) Ket is an open source algebra editor. It is distinct from editors like Mathematica and Maple and from typesetting systems like LaTeX in that its focus is primarily on interactivity, providing various features to allow for easy manipulation of al ...

, an algebra editor

Film and television

* KET, an American public TV network *'' Ket vallomas'' (), a 1957 Hungarian film

Literature and mythology

Ket (Greyhawk) Greyhawk, also known as the World of Greyhawk, is a fictional world designed as a campaign setting for the ''Dungeons & Dragons'' fantasy roleplaying game. Although not the first campaign world developed for ''Dungeons & Dragons''—Dave Arneson' ...

, a fictional nation in ''Dungeons and Dragons'' *

Cet mac Mágach Cet mac Mágach is a Connacht warrior in the Ulster Cycle of Irish Mythology. He had a rivalry with the Ulster warrior Conall Cernach. In some myths, he is said to be the brother of Conall's mother, making him Conall's uncle. At a feast at the ...

, of Irish myth *

Ket and Wig Ket and Wig appear in the ''Gesta Danorum'' as the sons of Frowin, the governor of Schleswig. Wig also appears in the ''Anglo-Saxon Chronicle'' as the son of Freawine (Frowin) and father of Gewis, eponymous ancestor of the kingdom of Wessex and ...

, from the Danish history ''Gesta Danorum'' *A name of the Celtic mythic figure

Ceridwen Ceridwen or Cerridwen ( ''Ke-RID-wen'') was an enchantress in Welsh medieval legend. She was the mother of a hideous son, Morfran, and a beautiful daughter, Creirwy. Her husband was Tegid Foel and they lived near Bala Lake () in north Wales ...

People

Ket people Kets (; Ket: кето, кет, денг) are a Yeniseian-speaking people in Siberia. During the Russian Empire, they were known as Ostyaks, without differentiating them from several other Siberian people. Later, they became known as ''Yenisei ...

(or ''Yenisei Ostyaks''), of Siberia * Ket Sivan (born 1981), Cambodian swimmer *

Ket (king) Ket (; ), Ketchettharaj (, ''Keśaśreṣṭharāja''; ) or Mueangketklao (; ) was the 12th monarch of Lan Na from the Mangrai dynasty of the. He reigned twice: the first time from 1525–1538, and the second time from 1543–1545. During his first ...

, a 16th-century king of Lan Na

Places

Ket (river) 300px, The Ket was a part of the Siberian River Routes. The Ket (), also known in its upper reaches as the Bolshaya Ket () is a west-flowing river in the Krasnoyarsk Krai and Tomsk Oblast in Russia, a right tributary of the Ob. The Ket has a ...

, Siberia *

Keť Keť () is a village and municipality in the Levice District in the Nitra Region of Slovakia. History In historical records the village was first mentioned in 1308. Geography The village lies at an altitude of 150 metres and covers an area of 19 ...

, Slovakia *

Kettering railway station Kettering railway station serves the market and industrial town of Kettering in Northamptonshire, England. It lies south-west of the town centre, on the Midland Main Line, north of London St. Pancras. History The station was opened in Ma ...

, England (code:KET) *

Kengtung Airport Kengtung Airport is an airport in Kengtung, Shan State, Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. ...

, Myanmar (IATA:KET) *

Kennedy Town station Kennedy Town () is the western terminus of the . The station serves the Kennedy Town area on the northwestern end of Hong Kong Island, Hong Kong. History Planning When the station first appeared in ''Hong Kong Mass Transit: Further Studies' ...

, Hong Kong, China (MTR:KET)

Other uses

Ket language The Ket ( ) language, or more specifically Imbak and formerly known as Yenisei Ostyak ( ), is a Siberian language long thought to be an isolate, the sole surviving language of a Yeniseian language family. It is spoken along the middle Yenise ...

, spoken in Siberia *

Ketamine Ketamine is a cyclohexanone-derived general anesthetic and NMDA receptor antagonist with analgesic and hallucinogenic properties, used medically for anesthesia, depression, and pain management. Ketamine exists as its S- (esketamine) a ...

, a dissociative anaesthetic drug *

Key English Test A2 Key, previously known as Cambridge English: Key and the Key English Test (KET), is an English language examination provided by Cambridge Assessment English (previously known as Cambridge English Language Assessment and University of Cambridge ...