17,070 research outputs found

    Optimization on the financial management of the bank with goal programming model

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    Financial management is crucial for planning bank’s asset and liabilities while takingconsideration for multiple objectives. The objective of this study is to develop a GoalProgramming (GP) model to optimize the financial management of Public Bank Berhad inMalaysia. Six goals from the financial statements namely total asset, total liability, total equity, profit, earning and optimum management items are investigated for the period from 2011 to 2015. The results of this study indicate that all six goals are fully achieved by using the GP model. This study is significant because it helps to develop a mathematical model to examine the financial strengths of Public Bank Berhad in Malaysia. Besides that, the potential improvement on liability, equity, profit, earning and optimum management item of Public Bank Berhadcan be identified in this study based on the deviation from the target value.Keywords: Asset; Liability; Equity; Profit; Earning; Optimum Management Item

    Analysis and control of bifurcation and chaos in averaged queue length in TCP/RED model

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    This paper studies the bifurcation and chaos phenomena in averaged queue length in a developed Transmission Control Protocol (TCP) model with Random Early Detection (RED) mechanism. Bifurcation and chaos phenomena are nonlinear behaviour in network systems that lead to degradation of the network performance. The TCP/RED model used is a model validated previously. In our study, only the average queue size k q − is considered, and the results are based on analytical model rather than actual measurements. The instabilities in the model are studied numerically using the conventional nonlinear bifurcation analysis. Extending from this bifurcation analysis, a modified RED algorithm is derived to prevent the observed bifurcation and chaos regardless of the selected parameters. Our modification is for the simple scenario of a single RED router carrying only TCP traffic. The algorithm neither compromises the throughput nor the average queuing delay of the system

    Recovery of continuous wave squeezing at low frequencies

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    We propose and demonstrate a system that produces squeezed vacuum using a pair of optical parametric amplifiers. This scheme allows the production of phase sidebands on the squeezed vacuum which facilitate phase locking in downstream applications. We observe strong, stably locked, continuous wave vacuum squeezing at frequencies as low as 220 kHz. We propose an alternative resonator configuration to overcome low frequency squeezing degradation caused by the optical parametric amplifiers.Comment: 9 pages, 4 figure

    Surgical treatment of a paraspinal abscess with osteomyelitis and spinal cord compression in a rabbit

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    Neural processes of proactive and reactive controls modulated by motor-skill experiences

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    This study investigated the experience of open and closed motor skills on modulating proactive and reactive control processes in task switching. Fifty-four participants who were open-skilled

    Unification of bulk and interface electroresistive switching in oxide systems

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    We demonstrate that the physical mechanism behind electroresistive switching in oxide Schottky systems is electroformation, as in insulating oxides. Negative resistance shown by the hysteretic current-voltage curves proves that impact ionization is at the origin of the switching. Analyses of the capacitance-voltage and conductance-voltage curves through a simple model show that an atomic rearrangement is involved in the process. Switching in these systems is a bulk effect, not strictly confined at the interface but at the charge space region.Comment: 4 pages, 3 figures, accepted in PR

    Schubert Polynomials for the affine Grassmannian of the symplectic group

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    We study the Schubert calculus of the affine Grassmannian Gr of the symplectic group. The integral homology and cohomology rings of Gr are identified with dual Hopf algebras of symmetric functions, defined in terms of Schur's P and Q-functions. An explicit combinatorial description is obtained for the Schubert basis of the cohomology of Gr, and this is extended to a definition of the affine type C Stanley symmetric functions. A homology Pieri rule is also given for the product of a special Schubert class with an arbitrary one.Comment: 45 page

    A new criterion of delay-dependent asymptotic stability for Hopfield neural networks with time delay

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    In this brief, the problem of global asymptotic stability for delayed Hopfield neural networks (HNNs) is investigated. A new criterion of asymptotic stability is derived by introducing a new kind of Lyapunov-Krasovskii functional and is formulated in terms of a linear matrix inequality (LMI), which can be readily solved via standard software. This new criterion based on a delay fractioning approach proves to be much less conservative and the conservatism could be notably reduced by thinning the delay fractioning. An example is provided to show the effectiveness and the advantage of the proposed result. © 2008 IEEE.published_or_final_versio

    Cascadic multigrid algorithm for robust inverse mask synthesis in optical lithography

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