Ruiz-Medina, M. D.; Angulo, J. M.; Anh, V. V. - In: Journal of Multivariate Analysis 85 (2003) 1, pp. 192-216
The least-squares linear inverse estimation problem for random fields is studied in a fractional generalized framework. First, the second-order regularity properties of the random fields involved in this problem are analysed in terms of the fractional Sobolev norms. Second, the incorporation of...