D.D. Olesky, P. van den Driessche and J.H. Verner, Graphs with the same determinant as a complete graph, Linear Algebra and its Applications 312 (2000), ... J.H. Verner, Selecting a Runge--Kutta ...

Runge–Kutta Method: An iterative procedure used to approximate solutions to ordinary differential equations, commonly employed in the time integration schemes of convolution quadrature.