In quantum theory, the so-called "spinless Salpeter equation," the
relativistic generalization of the nonrelativistic Schroedinger equation, is
used to describe both bound states of scalar particles and the spin-averaged
spectra of bound states of fermions. A numerical procedure solves the spinless
Salpeter equation by approximating this eigenvalue equation by a matrix
eigenvalue problem with explicitly known matrices.Comment: 7 pages, LaTe