The coastal region in mainland China experiences typhoon wind hazard and risk. Since historical surface observations are scarce and of short period, the hazard assessment is often carried out using the typhoon wind field and track models. For a few major cities in the coastal region, there are...

In this paper, we propose the concept of a second-order composed contingent derivative for set-valued maps, discuss its relationship to the second-order contingent derivative and investigate some of its special properties. By virtue of the second-order composed contingent derivative, we extend...

An example is given to show that the necessary conditions of Theorem 4.5 [in Chen et al. Math Methods Oper Res 49:239–253, 1999] and Theorem 2.1 (i) [in Goh and Yang Eur J Oper Res 116:615–628, 1999] for (weak) vector equilibrium flows may not hold. New ξ-equilibrium and parametric...

In this paper, two types of Levitin–Polyak well-posedness of vector equilibrium problems with variable domination structures are investigated. Criteria and characterizations for two types of Levitin–Polyak well-posedness of vector equilibrium problems are shown. Moreover, by virtue of a gap...

Given the computational challenges associated with valuing large variable annuity (VA) portfolios, a variety of data mining frameworks, including metamodeling and active learning, have been proposed in recent years. Active learning, a promising alternative to metamodeling, enhances the...

Machine generated contents note: Acknowledgements; 1. Introduction: Why Study Corruption in Countries with Weak Institutional Environments?; 2. Bribe Takers: Types of Corruption and Their Effects on Efficiency; 3. Bribe Payers: Why Do People Pay? What Do They Get? Can They Refuse To Pay?; 4....