2,335 research outputs found

    Addendum: A Classification of Plane Symmetric Kinematic Self-similar Solutions

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    In our recent paper, we classified plane symmetric kinematic self-similar perfect fluid and dust solutions of the second, zeroth and infinite kinds. However, we have missed some solutions during the process. In this short communication, we add up those missing solutions. We have found a total of seven solutions, out of which five turn out to be independent and cannot be found in the earlier paperComment: 7 pages Late

    How Economic Recession Effect The Corporate Philanthropy? Evidence From Pakistani Corporate Sector

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    Corporate philanthropy is a significant indicator of firm’s socially responsible behavior. Researchers and managers acknowledge the immense potential of corporate philanthropy for optimizing social and economic benefits. Aligned with this view corporate sector in Pakistan is engaged in philanthropic initiatives in some form or another. This paper aims to present the response of the Pakistani corporate sector to the corporate philanthropy at the time of global economic recession 2008-2009 by analyzing the sample of Public Listed Companies (PLCs). The analysis revealed that during the global financial crisis, the economic condition of Pakistan was worsened that was already in distress, but it hasn’t strongly effected the corporate philanthropy as the data shows a slight decrease in the overall volume of corporate donations in 2007 and a slight decrease in the number of companies engaged in philanthropy during 2008. The finding of the study suggests that during the global economic downturn the PLCs in Pakistan continued to show commitment towards community through corporate donations

    On Physical Properties of Cylindrically Symmetric Self-Similar Solutions

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    This paper is devoted to discuss some of the features of self-similar solutions of the first kind. We consider the cylindrically symmetric solutions with different homotheties. We are interested in evaluating the quantities acceleration, rotation, expansion, shear, shear invariant and expansion rate. These kinematical quantities are discussed both in co-moving as well as in non-co-moving coordinates (only in radial direction). Finally, we would discuss the singularity feature of these solutions. It is expected that these properties would help in exploring some interesting features of the self-similar solutions.Comment: 16 pages, accepted for publication in Int. J. of Mod. Phys.

    Governance, Decentralisation, and Poverty: The Case of Pakistan

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    Human development and human rights share a common vision and purpose: to secure the freedom, well being and dignity of humanity. Human development is as essential for human rights as the latter is for the former. Historical evidence suggests that the more civilised societies were those that gave a higher priority to both, for example, the Greek, the Roman and the enlightened years of early Islam. The freedom from want is perhaps the one inalienable right of humanity which stands between dignity and indignity and which must be mitigated against by both state and individual.1 For the first time in history mankind adopted these and other human rights when the Universal Declaration of Human Rights was adopted by the United Nations in 1948. Today all but one of the six core covenants and conventions have been ratified by at least 140 countries and state sponsored anti-poverty programmes were initiated globally, most with the help of civil society [UNDP (2000)]. The lessons from history clearly establish that for improving the social endowment of the poor the state and the individual are key players, money is a necessary requirement, good governance is critical to success and the participation of each component of society as a whole ensures sustainability and continued benefits beyond the initial attempts to mitigate the impact of poverty. In other words decentralisation is a key element to improve the lot of the people, particularly the poor and the disenfranchised.

    Kinematic Self-Similar Cylindrically Symmetric Solutions

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    This paper is devoted to find out cylindrically symmetric kinematic self-similar perfect fluid and dust solutions. We study the cylindrically symmetric solutions which admit kinematic self-similar vectors of second, zeroth and infinite kinds, not only for the tilted fluid case but also for the parallel and orthogonal cases. It is found that the parallel case gives contradiction both in perfect fluid and dust cases. The orthogonal perfect fluid case yields a vacuum solution while the orthogonal dust case gives contradiction. It is worth mentioning that the tilted case provides solution both for the perfect as well as dust cases.Comment: 22 pages, accepted for publication in Int. J. of Mod. Phys.
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