Harmonic Conjugate Function
The harmonic conjugate to a given function 
is a function 
such that
is Complex Differentiable (i.e., satisfies the Cauchy-Riemann Equations). It is given by
- Helmholtz Differential Equation--Toroidal Coordinates
- Helmholtz's Theorem
- Helson-Szegö Measure
- Hemicylindrical Function
- Hemisphere
- Hemispherical Function
- Hempel's Paradox
- Hendecagon
- Henneberg's Minimal Surface
- Hensel's Lemma
- Henstock-Kurzweil Integral
- Heptacontagon
- Heptadecagon
- Heptagon
- Heptagonal Number
- Heptagonal Pyramidal Number
- Heptahedron
- Heptakaidecagon
- Heptaparallelohedron
- Heptomino
- Herbrand's Theorem
- Hereditary Representation
- Heredity
- Hermann Grid Illusion
- Hermann-Hering Illusion