1,051 research outputs found

    A comparable cross-system bank productivity measure: Empirical evidence from the Malaysian dual banking system

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    This thesis seeks to fill a void in the banking performance literature by (1) proposing a cross-system bank productivity assessment methodology that can be applied to both conventional and Islamic banking and (2) implementing this methodology on a dual banking system to gauge the comparable productivity of Islamic and conventional banks relative to one another in a banking system that has experienced deregulation and consolidation. The growing significance of Islamic banking cannot be overlooked as its growth in recent years has significantly outpaced conventional banking. This new banking duality trend profoundly impacts the relative competitiveness of both banking systems and this in turn, may significantly affect the allocation of scarce financial resources between conventional and Islamic banking

    Publishing an E-journal on a shoe string: Is it a sustainaible project?.

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    The aim of this article is to report on an experiment in publishing an open access journal and learn from it about the larger field of open access publishing. The experiment is the launch of the European Journal of Comparative Economics (EJCE), an on-line refereed and open access journal, founded in 2004 by the European Association for Comparative Economic Studies and LIUC University in Italy. They embarked upon this project in part to respond to the rising concentration in the market for scientific publishing and the resulting use of market power to raise subscription prices and restrict access to scientific output. We had hoped that open access journals could provide some countervailing power and increase competition in the field. Our experience running a poorly endowed journal has shown that entry to the field may be easy, yet that making it a sustainable enterprise is not straightforward.Open-access publishing, online journals, scientific publication

    Reducing Interconnect Cost in NoC through Serialized Asynchronous Links

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    This work investigates the application of serialization as a means of reducing the number of wires in NoC combined with asynchronous links in order to simplify the clocking of the link. Throughput is reduced but savings in routing area and reduction in power could make this attractiv

    ISAR Image Classification with Wavelet and Watershed Transforms

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    Inverse Synthetic Aperture Radar images are playing a significant role in classification of sea and air targets. First we acquire the ISAR images of targets using a sensor like radar and extract the characteristics of targets from the ISAR images in the form of feature vectors. The computed feature vectors are used for classification of targets. In this work, widely used and efficient segmentation tool Watershed transform and the multi resolution technique wavelet transform are explored to derive the target features. An artificial neural network based classifier is used for classification. The Wavelet analysis divides the information of an image into approximation and detail sub signals. The approximate and three detail sub signal values are taken as feature vectors and given as input to the classifier for ship ISAR image classification. The widely used segmentation technique, Watershed transform is applied to the ISAR images. The wavelet coefficients are computed for the segmented ISAR images and used as feature vectors for classification of the ISAR images. Also, the statistical moments mean and standard deviation are computed for the color ISAR images itself, taken in RGB format. These statistical color moments are used as feature vector.  The classification accuracy is compared for the feature vectors

    Luminance-Chrominance-Gradient Based Technique for High Dynamic Range Image Fusion

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    604-607The High Dynamic Range (HDR) technique involves capturing the same scene multiple times with different exposure values and produces an output image with more dynamic range. Instead of doing all processing in RGB color space, we proposed to do it in Luminance Chrominance Gradient colour space, which results the output images to be more natural and pleasant to perceive with less noise. This experiment was evaluated and analysed with BAR and AEE1 methods and the results are compared. We showed that, our LCGHDR method is computationally efficient and able to remove any colour distortions originated from the RGB color channel

    Caloric stimulation of ampullar receptors: a new method to produce mechanically-evoked responses in frog semicircular canals

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    A microthermistor positioned close to the exposed posterior semicircular canal in isolated labyrinth preparations of the frog was used to stimulate the sensory organ. Our results indicated that, depending on the position of the heater, the induced endolymphatic convection currents may result in either excitatory or inhibitory cupular deflections and thus in a modulation of ampullar receptor resting activity. Other possible thermal-dependent mechanisms, such as a direct action of the stimulus on vestibular sensors or endolymphatic volume changes, had, in the present experimental conditions, a minor role. Caloric stimulation could therefore represent a novel method to stimulate the semicircular canals 'in situ'

    Coexistence of metallic edge states and antiferromagnetic ordering in correlated topological insulators

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    We investigate the emergence of antiferromagnetic ordering and its effect on the helical edge states in a quantum spin Hall insulator, in the presence of strong Coulomb interaction. Using dynamical mean-field theory, we show that the breakdown of lattice translational symmetry favors the formation of magnetic ordering with nontrivial spatial modulation. The onset of a nonuniform magnetization enables the coexistence of spin-ordered and topologically nontrivial states. An unambiguous signature of the persistence of the topological bulk property is the survival of bona fide edge states. We show that the penetration of the magnetic order is accompanied by the progressive reconstruction of gapless states in subperipheral layers, redefining the actual topological boundary within the system

    Reducing Interconnect Cost in NoC through Serialized Asynchronous Links

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    This work investigates the application of serialization as a means of reducing the number of wires in NoC combined with asynchronous links in order to simplify the clocking of the link. Throughput is reduced but savings in routing area and reduction in power could make this attractiv

    Comparative genomic hybridization on microarray (a-CGH) in constitutional and acquired mosaicism may detect as low as 8% abnormal cells

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    Abstract. Background: The results of cytogenetic investigations on unbalanced chromosome anomalies, both constitutional and acquired, were largely improved by comparative genomic hybridization on microarray (a-CGH), but in mosaicism the ability of a-CGH to reliably detect imbalances is not yet well established. This problem of sensitivity is even more relevant in acquired mosaicism in neoplastic diseases, where cells carrying acquired imbalances coexist with normal cells, in particular when the proportion of abnormal cells may be low. We constructed a synthetic mosaicism by mixing the DNA of three patients carrying altogether seven chromosome imbalances with normal sex-matched DNA. Dilutions were prepared mimicking 5%, 6%, 7%, 8%, 10% and 15% levels of mosaicism. Oligomer-based a-CGH (244 K whole-genome system) was applied on the patients' DNA and customized slides designed around the regions of imbalance were used for the synthetic mosaics. Results and conclusions. The a-CGH on the synthetic mosaics proved to be able to detect as low as 8% abnormal cells in the tissue examined. Although in our experiment some regions of imbalances escaped to be revealed at this level, and were detected only at 10-15% level, it should be remarked that these ones were the smallest analyzed, and that the imbalances recurrent as clonal anomalies in cancer and leukaemia are similar in size to those revealed at 8% level

    Chern-Simons Solitons, Toda Theories and the Chiral Model

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    The two-dimensional self-dual Chern--Simons equations are equivalent to the conditions for static, zero-energy solutions of the (2+1)(2+1)-dimensional gauged nonlinear Schr\"odinger equation with Chern--Simons matter-gauge dynamics. In this paper we classify all finite charge SU(N)SU(N) solutions by first transforming the self-dual Chern--Simons equations into the two-dimensional chiral model (or harmonic map) equations, and then using the Uhlenbeck--Wood classification of harmonic maps into the unitary groups. This construction also leads to a new relationship between the SU(N)SU(N) Toda and SU(N)SU(N) chiral model solutions
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