The sub-Ramsey number sr(Kn ; k) is the smallest integer m such that in any edge-colouring of Km which uses every colour at most k times some subgraph Kn has all edges of dierent colours. It was known...
: Motivated by wavelength division multiplexing in all-optical networks, we consider the problem of finding a set of paths from a fixed source to a multiset of destinations, which can be coloured by t...
A method of 3-dimensional (3D) sonography (US) is described in this paper. Special emphasis is laid upon the basic problem of generating well-orientated 3D visualizations on the basis of different eva...