Search results for "points"
showing 10 items of 415 documents
Introduction: conceptualizing EU policy on labour migration
2015
This introduction sets the scene for the articles in this themed section. The starting point is the relatively recent but important developments that have occurred in the area of EU labour migratio...
When buyers also sell: The implications of pricing policies for customer satisfaction
2002
In certain purchase situations, such as when a new car is purchased and an old vehicle is traded in, individuals simultaneously play the role of buyers and sellers. It is interesting to observe that, when evaluating the purchase and selling prices of the new and old products respectively, such consumers often fail to behave rationally. For example, a discount on the price of the new commodity and an equivalent markup on the old product will be weighted differently. This empirical phenomenon can be analyzed with the aid of the prospect theory - an approach based on the descriptive decision theory. This theory facilitates the elaboration of decision-making rules for determining the optimum pu…
Market risk reporting in banking overcoming the limits of IAS/IFRS and Basel regulation
2017
Market risk in banking activity is becoming a more severe issue day by day for several reasons. Analysing it from a regulatory point of view is fundamental for assessing whether or not banks are in the conditions of disclosing a satisfactory degree of information about their market risk exposure. The two regulatory constraints to consider are International Accounting Standards (IAS/IFRS) and the Basel regulation. Both of them seem to put too many constraints on banks. They turn out to be over-over-regulated. Even if regulators put many efforts in trying to provide a useful regulation for banks' risk reporting and capital adequacy, we are still far from a good regulation. The regulatory proc…
Supply chain – marketing integration: How do European SMEs go to China via the New Silk Road
2018
Purpose The purpose of this paper is to discuss China’s New Silk Road initiative as an opportunity for European small and medium-sized enterprises (SMEs) to export to Chinese market. It offers research propositions on redefining the business process of European SMEs and Chinese importers in light of the initiative. Design/methodology/approach SMEs’ export barriers, particularly in SCM and marketing, are identified through literature review. Then they are discussed in accordance with the measures that New Silk Road proposed. Findings Logistic infrastructure development under the New Silk Road significantly lowers the supply chain barrier. Marketing remains a challenge for European SMEs to e…
Pressure stability field of Mg-perovskite under deep mantle conditions: A topological approach based on Bader's analysis coupled with catastrophe the…
2019
Abstract The pressure stability field of the Mg-perovskite phase was investigated by characterizing the evolution of the electron arrangement in the crystal. Ab initio calculations of the perovskite structures in the range 0–185 GPa were performed at the HF/DFT (Hartree-Fock/Density Functional Theory) exchange–correlation terms level. The electron densities, calculated throughout the ab-initio wave functions, were analysed by means of the Bader's theory, coupled with Thom's catastrophe theory. To the best of our knowledge the approach is used for the first time. The topological results show the occurrence of two topological anomalies at P~20 GPa and P~110 GPa which delineate the pressure ra…
Statics and dynamics of colloid-polymer mixtures near their critical point of phase separation: A computer simulation study of a continuous Asakura–O…
2008
We propose a new coarse-grained model for the description of liquid-vapor phase separation of colloid-polymer mixtures. The hard-sphere repulsion between colloids and between colloids and polymers, which is used in the well-known Asakura-Oosawa (AO) model, is replaced by Weeks-Chandler-Anderson potentials. Similarly, a soft potential of height comparable to thermal energy is used for the polymer-polymer interaction, rather than treating polymers as ideal gas particles. It is shown by grand-canonical Monte Carlo simulations that this model leads to a coexistence curve that almost coincides with that of the AO model and the Ising critical behavior of static quantities is reproduced. Then the …
Multi-scenario multi-objective robust optimization under deep uncertainty: A posteriori approach
2021
This paper proposes a novel optimization approach for multi-scenario multi-objective robust decision making, as well as an alternative way for scenario discovery and identifying vulnerable scenarios even before any solution generation. To demonstrate and test the novel approach, we use the classic shallow lake problem. We compare the results obtained with the novel approach to those obtained with previously used approaches. We show that the novel approach guarantees the feasibility and robust efficiency of the produced solutions under all selected scenarios, while decreasing computation cost, addresses the scenario-dependency issues, and enables the decision-makers to explore the trade-off …
On a class of special linear systems of P^3
2003
In this paper we deal with linear systems of P^3 through fat points. We consider the behavior of these systems under a cubo-cubic Cremona transformation that allows us to produce a class of special systems which we conjecture to be the only ones.
Geodesic ray transform with matrix weights for piecewise constant functions
2019
We show injectivity of the geodesic X-ray transform on piecewise constant functions when the transform is weighted by a continuous matrix weight. The manifold is assumed to be compact and nontrapping of any dimension, and in dimension three and higher we assume a foliation condition. We make no assumption regarding conjugate points or differentiability of the weight. This extends recent results for unweighted transforms.
Critical points for nondifferentiable functions in presence of splitting
2006
A classical critical point theorem in presence of splitting established by Brézis-Nirenberg is extended to functionals which are the sum of a locally Lipschitz continuous term and of a convex, proper, lower semicontinuous function. The obtained result is then exploited to prove a multiplicity theorem for a family of elliptic variational-hemivariational eigenvalue problems. © 2005 Elsevier Inc. All rights reserved.