Istituto di Scienza e Tecnologie dell'Informazione     
Codenotti B., Favati P. On the fixed-point of a system of equations arising in a layout expansion problem. Internal note IEI-B4-01, 1986.
In this paper we present some results concerning the fixed-point of a system of equations which regulates the global effect of many local expansions in a VLSI layout, determined by widening wires. Indeed we give tight lower and upper tounds to the width of each wire, we show conditions based upon the layout configuration under which the problem can be remarkatly simplified, and we study the convergence properties of an iterative method for the numerical computation of the fixed-point.

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