A new study introduces numerical relativity to cosmology, challenging assumptions about the universe's earliest moments.

Florian Heiss, Sequential Numerical Integration in Nonlinear State Space Models for Microeconometric Panel Data, Journal of Applied Econometrics, Vol. 23, No. 3 (Apr., 2008), pp. 373-389 ...

Coupled differential equations which describe the simultaneous relaxation of different components at greatly different rates present a difficulty in numerical integration, since the integration ...