Field Theory — Algebraic Closure & Splitting Fields

Mathematics Abstract Algebra Cite
Primary: Galois, Kronecker
Publication: Splitting fields
Year: 19th c.
URL: Wikipedia

Description

Algebraically closed field: every nonconstant polynomial has a root. Splitting field of f over F: minimal extension where f splits. Uniqueness up to F-isomorphism.

Dependency Flowchart

Note: Arrows mean "depends on". Assumes Chart 1.

graph TD D1["Def: Algebraically closed\nevery poly has root"] D2["Def: Splitting field\nminimal K where f splits"] D3["Def: Algebraic closure\nF-bar of F"] T1["Thm: Splitting field exists\nfor any f"] T2["Thm: Splitting field unique\nup to F-iso"] T3["Thm: Closure exists\nSteinitz"] D1 --> D3 D2 --> T1 D2 --> T2 D1 --> T3 T1 --> T2 classDef definition fill:#b197fc,color:#fff,stroke:#9775fa classDef theorem fill:#51cf66,color:#fff,stroke:#40c057 class D1,D2,D3 definition class T1,T2,T3 theorem

Color Scheme

Blue
Definitions
Teal
Theorems

Process Statistics

  • Nodes: 6
  • Edges: 5
  • Definitions: 3
  • Theorems: 3