In a communication network, the vulnerability parameters measure the resistance of the network to disruption of operation after the failure of certain stations or communication links. A vertexâ€¦ (More)

A vertex subversion strategy of a graph G, say S, is a set of vertices in G whose closed neighborhood is removed from G. The survival subgraph is denoted by G/S. The neighbor rupture degree of G isâ€¦ (More)

Some properties of the weak subdifferential are considered in this paper. By using the definition and properties of the weak subdifferential which are described in the papers Azimov and Gasimov,â€¦ (More)

The information that is increasing and changing rapidly at the present day, and the usage of computers in educational and instructional processes has become inevitable. With the rapid progress inâ€¦ (More)