Editing List of mathematical theories (section)

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{{See also|Theory#Mathematical|Theory (mathematical logic)|Glossary of areas of mathematics}}
This is a '''list of mathematical theories'''.

{{columns-list|colwidth=20em|
*[[Almgren–Pitts min-max theory]]
*[[Approximation theory]]
*[[Arakelov theory]]
*[[Asymptotic theory]]
*[[Automata theory]]
*[[Bass–Serre theory]]
*[[Bifurcation theory]]
*[[Braid theory]]
*[[Brill–Noether theory]]
*[[Catastrophe theory]]
*[[Category theory]]
*[[Chaos theory]]
*[[Character theory]]
*[[Choquet theory]]
*[[Class field theory]]
*[[Cobordism theory]]
*[[Coding theory]]
*[[Cohomology theory]]
*[[Theory of Computation]]
*[[Continuum theory]]
*[[Control theory]]
*[[Deformation theory]]
*[[Dempster-Shafer theory]]
*[[Dimension theory]]
*[[Distribution (mathematics)|Distribution theory]]
*[[Dynamical systems theory]]
*[[Elimination theory]]
*[[Ergodic theory]]
*[[Extremal graph theory]]
*[[Field theory (mathematics)|Field theory]]
*[[Galois theory]]
*[[Game theory]]
*[[Graph theory]]
*[[Group theory]]
*[[Hodge theory]]
*[[Homology theory]]
*[[Homotopy theory]]
*[[Ideal theory]]
*[[Atiyah–Singer index theorem|Index theory]]
*[[Information theory]]
*[[Intersection theory]]
*[[Invariant theory]]
*[[Iwasawa theory]]
*[[K-theory]]
*[[Knot theory]]
*[[L-theory]]
*[[Lattice theory]]
*[[Lie theory]]
*[[M-theory]]
*[[Measure theory]]
*[[Model theory]]
*[[Morse theory]]
*[[Module theory]]
*[[Nevanlinna theory]]
*[[Number theory]]
*[[Obstruction theory]]
*[[Operator theory]]
*[[Order theory]]
*[[Percolation theory]]
*[[Perturbation theory]]
*[[Probability theory]]
*[[Proof theory]]
*[[Queue theory]]
*[[Ramsey theory]]
*[[Random matrix|Random matrix theory]]
*[[Representation theory]]
*[[Ring theory]]
*[[Scheme theory]]
*[[Semigroup theory]]
*[[Set theory]]
*[[Shape theory (mathematics)|Shape theory]]
*[[Sheaf (mathematics)|Sheaf theory]]
*[[Sieve theory]]
*[[Singularity theory]]
*[[Soliton theory]]
*[[Spectral theory]]
*[[String theory]]
*[[Sturm–Liouville theory|Sturm-Liouville theory]]
*[[Surgery theory]]
*[[Teichmüller theory]]
*[[Theory of equations]]
*[[Theory of statistics]]
*[[Topos theory]]
*[[Transcendental number theory]]
*[[Twistor theory]]
*[[Type theory]]
*[[Wheel theory]]
}}

[[Category:Fields of mathematics]]
[[Category:Mathematics-related lists|Theories]]