Rainbow connection number of a connected graph G is the minimum number of colors needed to color the edges of G, so that every pair of vertices is connected by at least one path whose edges have distinct colors. In this paper, we propose a linear time ...

Within the framework of the computer algebra system Maple, an interactive program shell for analysis of nonlinear problems of elasticity has been developed. The set of algorithms of automatic generation of boundary-value problems of equilibrium, both in ...

Competition and cooperation play an important role in society. It drives the species to survive and it enables to balance and maintain the biodiversity in communities. These concepts are important in many fields, such as in ethology, economics, ecology, ...