Abstract. Typically each voter contributes with one vote for an election. But there are some elections where voters can have different weights associated with their vote. In this p...
Abstract. Usually, mathematical objects have highly parallel interpretations. In this paper, we consider them as sequential constructors of other objects. In particular, we prove t...
This paper discusses the global minimization of rational functions with or without constraints. We studied the sum of squares (SOS) relaxations and their properties to solve this ...
: This paper documents the formation of the European Spreadsheet Risks Interest Group (EuSpRIG www.eusprig.org) and outlines some of the research undertaken and reported upon by in...
: In this paper we deal with the arc ranking problem of directed graphs. We give some classes of graphs for which the arc ranking problem is polynomially solvable. We prove that de...