Geodesic
Construction of Principal Functions by Orthogonal Projection
Canadian journal of mathematics, Tome 18 (1966) no. 1, pp. 887-896

Voir la notice de l'article provenant de la source Cambridge University Press

Given a point set E on an open Riemann surface V we denote by H(E) the space of functions u harmonic in open sets O(u) containing E. Let V0 be a regular region of V with border α, and consider restrictions f to α of functions in H(α). For V1 = V — ⊽0, an operator L from H(α) to H(⊽1) is, by definition, normal if 1 2 3 4 5 
Nakai, Mitsuru; Sario, Leo. Construction of Principal Functions by Orthogonal Projection. Canadian journal of mathematics, Tome 18 (1966) no. 1, pp. 887-896. doi: 10.4153/CJM-1966-089-4
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