Hydrogels are water-swollen polymer networks that have been used for many decades, with applications as varied as contact lenses and super-absorbant materials. As the field of biomedical engineering ...

Electrical system complexity is reaching a tipping point across industries, from modern passenger vehicles to sophisticated industrial machines that can now contain nearly 5,000 wiring harnesses. The ...

A discrete time model is presented for dynamic traffice assignment with a single destination. Congestion is treated explicitly in the flow equations. The model is a nonlinear and nonconvex ...

Journal of Economics, Vol. 84, No. 1 (February 2005), pp. 71-94 (24 pages) Economic systems often are described in matrix form as x = Mx. We present a new theorem for systems of this type where M is ...