Additive like function representation
108425
Problem on abelian group
84317
Iterated self-composition of arbitrary function
90264
Combining pure functions
136996
Fourier transform of function composition
60697
Defining functions from expressions of variable lengths
5373
Additive function $T: \mathbb{R} \rightarrow \mathbb{R}$ that is not linear.
56370
Associative operation on a set $S$
72908
Bounding a strange function
115298
Nested Mathematical Functions
4676
Notation for repeated composition of functions
125788
A function with a property $f(x+y)=f(x)f(y)$
47223
Deriving even odd function expressions
5426
Preserving signatures of decorated functions
57515
Similar matrices and field extensions
148571
Simplify function notation
52129
covariance of increasing functions
153646
Convex combination of cumulative distribution functions