60,962 research outputs found
Large bipartite Bell violations with dichotomic measurements
In this paper we introduce a simple and natural bipartite Bell scenario, by
considering the correlations between two parties defined by general
measurements in one party and dichotomic ones in the other. We show that
unbounded Bell violations can be obtained in this context. Since such
violations cannot occur when both parties use dichotomic measurements, our
setting can be considered as the simplest one where this phenomenon can be
observed. Our example is essentially optimal in terms of the outputs and the
Hilbert space dimension
Solidification/stabilisation of soil contaminated with metal: a review
Solidification/stabilisation (S/S) is generically defined as a chemical and physical alteration technique of reducing the mobility as well as solubility of contaminants in wastes in order to convert them into chemically inert form. The technique is specifically developed to confine the movement of contaminants in wastes so that their concentrations in the surrounding environment (e.g. subsurface soil matrices and groundwater) will not exceed stipulated environmental regulatory levels. This technique necessitates application of cementitious materials such as cement which also provides a favorable solidification effect on the stabilised wastes so that the end product can be easily transported to disposal sites or reused as construction materials. This paper reviews the S/S technology as applied to contaminated soil treatment with emphasis on its chemical binder systems, mechanisms, interferences and post-treatment leaching tests. S/S is an important soil contamination remediation technology as evident by its simplicity, technical and cost-effectiveness
The principle of least action and the geometric basis of D-branes
We analyze thoroughly the boundary conditions allowed in classical non-linear
sigma models and derive from first principle the corresponding geometric
objects, i.e. D-branes. In addition to giving classical D-branes an intrinsic
and geometric foundation, D-branes in nontrivial H flux and D-branes embedded
within D-branes are precisely defined. A well known topological condition on
D-branes is replaced
A cluster expansion approach to exponential random graph models
The exponential family of random graphs is among the most widely-studied
network models. We show that any exponential random graph model may
alternatively be viewed as a lattice gas model with a finite Banach space norm.
The system may then be treated by cluster expansion methods from statistical
mechanics. In particular, we derive a convergent power series expansion for the
limiting free energy in the case of small parameters. Since the free energy is
the generating function for the expectations of other random variables, this
characterizes the structure and behavior of the limiting network in this
parameter region.Comment: 15 pages, 1 figur
The Finite-time Ruin Probabilities of a Bidimensional risk model with Constant Interest Force and correlated Brownian Motions
We follow some recent works to study bidimensional perturbed compound Poisson
risk models with constant interest force and correlated Brownian Motions.
Several asymptotic formulae for three different type of ruin probabilities over
a finite-time horizon are established.
Our approach appeals directly to very recent developments in the ruin theory
in the presence of heavy tails of unidimensional risk models and the dependence
theory of stochastic processes and random vectors.Comment: 25page
An investigation of the corporate responsibility report assurance statements of the Big Four banks in Australia
The corporate responsibility report demonstrates an organisation’s commitment to sustainability. Currently, not much is known about the quality of the assurance statements of the corporate responsibility reports of banks in Australia. This research study fills the gap in the literature by investigating the corporate responsibility report assurance statements of the Big Four banks in Australia. The assurance statements are evaluated against the criteria provided by O’Dwyer and Owen (2005) and Perego and Kolk (2012). The results reveal that although the assurance statements, on average, meet the criteria highly, there are areas that need improvement. Keywords: assurance, bank, AA1000AS, ASAE 3000, ISAE 3000 JEL Codes:G21, M14, M4
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