- sufficient statistic
- sufficient test
- sufficient topology
- suffix
- SU group (= special unitary group )
- suit
- suitability
- suitable input for an algorithm
- suitable number
- Sullivan conjecture
- Sullivan, D.P.
- Sullivan minimal model
- Sullivan normal
- Sultan dowry problem
- sum
- sum aggregate
- sum axiom
- sum by columns
- sum by diagonals
- sum by rows
- sum by squares
- sum chain complex
- transition operator
- transition operator semigroup
- transition phenomenon