Steel industry is one of the leading industries in the world. Today it is also one of the fundamental and strategic industries of the world. Per capita production and consumption amount of steel are used as a criterion for evaluation of country development. Furthermore, attention to technological innovations is assumed so much crucial to access the international markets of steel industrie...

In this work we consider the following problem: Let (S (n) t )0 t T , n 2 N , be a sequence of stochastic processes describing the price of a stock during the time period [0; T ]. We assume that the distribution Pn of (S (n) t ) converges weakly to the distribution P of a stochastic process (St)0 t T . Secondly, we consider a European style derivative paying F (S) at time T if the stock price a...

Introduction. High productivity in mining processes is possible only with sufficient consistency between processes: drilling – blasting excavation transportation. The relationships and are most well studied, although there also a number of issues related to the interpretation data choice efficiency criteria. further link by transportation incomplete, therefore, no clear direction systematic coo...