For (c1,…, cn) in C, let C(c1,…, cn) denote the class of functions Formula Presented which are analytic and satisfy Re f(z) > 0 in the unit disc. The unique function of least H2norm in C(c1,…, cn) is explicitly determined.
- Coefficient body
- Minimal interpolation
- Multiplier rule
- Positive real part
- Riesz-herglotz representation