Jl. Vanderplas et al., ON THE USE OF EIGENVALUES AND EIGENVECTORS IN THE PHASE PROBLEM, Acta crystallographica. Section A, Foundations of crystallography, 54, 1998, pp. 262-266
Karle-Hauptman matrices may be used in an algebraic approach to the ph
ase problem. When eigenvalues and eigenvectors are used, it is possibl
e to obtain structural information from Karle-Hauptman matrices of ord
ers greater than N, despite the fact that the determinants are zero. I
n this paper, the properties of large Karle-Hauptman matrices are exam
ined in the infinite and non-infinite cases. The characteristics of el
ectron densities corresponding to separate eigenvectors are examined.