In this report we propose a new recursive matrix formulation of limited memory variable metric methods. This approach can be used for an arbitrary update from the Broyden class (and some other updates) and also for the ...

The paper focuses on the evaluation of the role and influence of the macroeconomic environment on national and regional competitiveness in the context of the knowledge economy. These aspects are evaluated from the perspective ...

The enterprises need to assess the risk dynamic of financial instability and this risk impact on small and medium-sized enterprises’ development, because it is important for enterprises to extend commercial activity and ...