diagonalness

English

Etymology

From diagonal +‎ -ness.

Noun

diagonalness

1. (mathematics) The condition of being diagonal
   • 2016, E. Ruiz Arriola, S. Szpigel, V. S. Timoteo, “Fixed points of the SRG evolution and the on-shell limit of the nuclear force”, in arXiv‎^[1]:

     We show how a fully diagonal interaction at the similarity cutoff $\lambda \rightarrow 0$ may be obtained from the eigenvalues of the hamiltonian and quantify the diagonalness by means of operator norms.