Subject to Instability

Forecasting in Dynamic Factor Models Subject to Structural Instability

Tail estimation and mean-VaR portfolio selection in markets subject to financial instability

Risk managers are increasingly required by international Regulatory Institutions to adopt accurate techniques for the measurement and control of portfolios financial risks. The task requires first the identification of the different risk sources affecting the portfolio and the measurement of their impact, then after: the adoption of appropriate portfolio strategies aimed at neutralising these r...

Instability inside a rotating gas cylinder subject to axial periodic strain

M/M/1 Feedback Queue Subject to Catastrophe and Repairment

‎In this paper‎, ‎an M/M/1 queue with instantaneous Bernoulli feedback is studied in the event of server failure‎, ‎the catastrophe occurs and after repair‎, ‎it starts to work again‎. ‎The transient response for the probability function of the system size is presented‎. ‎The steady state analysis of system size probabilities and some performance measures of system are provided‎. ‎Then the resu...

From Subject to Non-Subject: Semiotic Analysis of the Process of Subject Collapse in Contemporary Iranian Realist Paintings in the Last Two Decades

Following the political and social developments in Iran in the mid-1370s, young artists created critical works in the new social and cultural demands. In such an area, the subject of the works moved towards more realism, and social realist painting was re-formed in Iranian contemporary art. These paintings show that the human subject has been indoctrinated with the opinion and rethinking of soc...