olemus
korpust K alamkorpusena sisaldav korpus L
= a field L that includes the field K as a subfield

tähis: L/K

ülevaateid
http://mathworld.wolfram.com/ExtensionField.html

https://en.wikipedia.org/wiki/Field_extension

http://www.math.uchicago.edu/~may/VIGRE/VIGRE2009/REUPapers/Moy.pdf

http://jupiter.math.nctu.edu.tw/~weng/courses/alg_2007/Algebra%202006-2/Slides-Section29.pdf

vt ka
- korpuse laiendi järk
- korpuse lihtlaiend