，负半定二次形式- theory of elliptic functions
- theory of errors
- theory of estimation
- theory of fiber bundles
- theory of fields
- theory of functions
- theory of functions of a complex variable
- theory of functions of a real variable
- theory of functions of several complex variables
- theory of functors
- theory of games
- theory of general relativity
- theory of geodesy
- theory of geometric construction
- theory of geometric objects
- theory of graphs
- theory of gravitation
- theory of group representation
- theory of groups
- theory of hierarchies
- theory of hyperbolic functions
- theory of ideals
- theory of integral equations
- theory of invariants
- theory of judgement