fixed field
Let be a field extension with Galois group , and let be a subgroup of . The fixed field of in is the set
The set is always a field, and .
Title | fixed field |
---|---|
Canonical name | FixedField |
Date of creation | 2013-03-22 12:08:24 |
Last modified on | 2013-03-22 12:08:24 |
Owner | djao (24) |
Last modified by | djao (24) |
Numerical id | 6 |
Author | djao (24) |
Entry type | Definition |
Classification | msc 12F10 |