Rigidity, Boundary Interpolation and Reproducing Kernels
We use reproducing kernel methods to study various rigidity problems. The methods and setting allow us to also consider the non-positive case.
D. Alpay, S. Reich and D. Shoikhet. Rigidity, boundary interpolation and reproducing kernels. Computational Methods and Function Theory, vol. 9 (2009), pp. 347-364.