Geometría de gramianos en el espacio de Hilbert.
Pedro J. Burillo López, Joaquín Aguilella Almer (1981)
Stochastica
Similarity:
The purpose of the Part I of this paper is to develop the geometry of Gram's determinants in Hilbert space. In Parts II and III a generalization is given of the Pythagorean theorem and triangular inequality for finite vector families.