Harmonic Decomposition
A Polynomial function in the elements of 
can be uniquely decomposed into a sum of harmonicPolynomials times Powers of 
.
- Hyperparallel
- Hyperperfect Number
- Hyperplane
- Hyperreal Number
- Hyperspace
- Hypersphere
- Hypersphere Packing
- Hypervolume
- Hypocycloid
- Hypocycloid--3-Cusped
- Hypocycloid--4-Cusped
- Hypocycloid Evolute
- Hypocycloid Involute
- Hypocycloid Pedal Curve
- Hypoellipse
- Hypotenuse
- Hypothesis
- Hypothesis Testing
- Hypotrochoid
- Hypotrochoid Evolute
- Hyzer's Illusion
- Hénon Attractor
- Hénon-Heiles Equation
- Hénon Map
- Hölder Condition