Recent results using all-point quark propagators

Pseudofermion methods for extracting all-point quark propagators are reviewed, with special emphasis on techniques for reducing or eliminating autocorrelations induced by low eigenmodes of the quark Dirac operator. Recent applications, including high statistics evaluations of hadronic current correlators and the pion form factor, are also described.Comment: LateX, 3 pages, 6 eps figures, Lattice2002(algor), corrected some typo

Unquenched Studies Using the Truncated Determinant Algorithm

A truncated determinant algorithm is used to study the physical effects of the quark eigenmodes associated with eigenvalues below 420 MeV. This initial high statistics study focuses on coarse ($6^4$) lattices (with O($a^2$) improved gauge action), light internal quark masses and large physical volumes. Three features of full QCD are examined: topological charge distributions, string breaking as observed in the static energy and the eta prime mass.Comment: Lattice2001(confinement); 3pgs(Latex), 4figs.(ps

Physical Effects of Infrared Quark Eigenmodes in LQCD

A truncated determinant algorithm is used to study the physical effects of the quark eigenmodes associated with eigenvalues below 400 MeV. This initial study focuses on coarse lattices (with O(a^2) improved gauge action), light internal quark masses and large physical volumes. Four bellwether full QCD processes are discussed: topological charge distributions, the eta prime propagator, string breaking as observed in the static energy and the rho decay into two pions.Comment: LATTICE99(Confinement); 3pgs(Latex), 4figs.(eps

Masses and Decay Constants of Heavy-Light Mesons Using the Multistate Smearing Technique

We present results for f_B and masses of low-lying heavy-light mesons. Calculations were performed in the quenched approximation using multistate smearing functions generated from a spinless relativistic quark model Hamiltonian. Beta values range from 5.7 to 6.3, and light quark masses corresponding to pion masses as low as 300 MeV are computed at each value. We use the 1P--1S charmonium splitting to set the overall scale.Comment: 9 pages, 13 figures, and 5 tables as a single 193K compressed and uuencoded Postscript file, FERMILAB--CONF--93/376-

Hadronic Correlators from All-point Quark Propagators

A method for computing all-point quark propagators is applied to a variety of processes of physical interest in lattice QCD. The method allows, for example, efficient calculation of disconnected parts and full momentum-space 2 and 3 point functions. Examples discussed include: extraction of chiral Lagrangian parameters from current correlators, the pion form factor, and the unquenched eta-prime.Comment: LATTICE01(Algorithms and Machines

‘From Seoul with love': the continuing relevance of the 1986 Seoul ILA declaration on progressive development of public international law relating to a new international economic order

The purpose of this article is to reconsider, in the light of global developments and other challenges, attempts over the past four decades to agree principles and rules of international law relating to the establishment and operation of a New International Economic Order (NIEO). For its critics, the NIEO was a one-sided attempt, based on unsound legal and economic principles, to undermine the integrity of the global economic system, a system that had played a vital role in permitting the world to recover following the tragedy of the Second World War. For its proponents, it was, on the other hand, a life-and-death attempt to reorder a system that was perpetually and unfairly biased against the poor majority; ‘life-and-death’ because the poverty that results from lack of development was not (nor continues to be) an abstract issue. In particular, in seeking to narrow the fi eld of enquiry, this article will review the attempt by the non-governmental International Law Association (ILA)– acting through its international committee on the topic – to forge a clearer North-South consensus on this matter through the adoption of its 1986 Seoul Declaration on Progressive Development of Principles of Public International Law relating to a New International Economic Order. In consciously trying to overcome some of the more overt political divisions within the UN General Assembly, the ILA sought to find carefully crafted compromises on such topics as permanent sovereignty over natural resources, specifi cally expropriation, the right to development, common heritage of mankind, as well as on broader issues of equality, equity and economic solidarity. Now, over twenty years after Seoul, it is fitting to consider whether the 1986 Declaration, in trying to move the debate forward, ultimately proved little more than a symbolic, but largely futile, gesture. Was this legal desiratum just too idealistic and utopian, particularly in the light of changing global circumstances and political realities

Locke, God, and Materialism

This paper investigates Locke’s views about materialism, by looking at the discussion in Essay IV.x. There Locke---after giving a cosmological argument for the existence of God---argues that God could not be material, and that matter alone could never produce thought. In discussing the chapter, I pay particular attention to some comparisons between Locke’s position and those of two other seventeenth-century philosophers, René Descartes and Ralph Cudworth. Making use of those comparisons, I argue for two main claims. The first is that the important argument of Essay IV.x.10 is fundamentally an argument about the causation of perfections. Indeed, Locke gives multiple such arguments in the chapter. My second main claim is that my proposed reading of IV.x is not merely consistent with what Locke says elsewhere about superaddition, but also provides reasons to favor a particular understanding of what superaddition is

Subjectivity as Self-Acquaintance

Subjectivity is that feature of consciousness whereby there is something it is like for a subject to undergo an experience. One persistent challenge in the study of consciousness is to explain how subjectivity relates to, or arises from, purely physical brain processes. But, in order to address this challenge, it seems we must have a clear explanation of what subjectivity is in the first place. This has proven challenging in its own right. For the nature of subjectivity itself seems to resist straightforward characterization. In this paper, I won't address how subjectivity relates to the physical. Instead, I'll address subjectivity itself. I'll do this by introducing and defending a model of subjectivity based on self-acquaintance. My model does not purport to reduce, eliminate, or naturalize subjectivity, but it does make subjectivity more tractable, less paradoxical, and perhaps less dubious to those averse to obscurity

Poverty and community: understanding culture and politics in poor places

This lack of participation, low trust and failure to invest in community wide institutions allows corrupt politics to emerge in poor inner cities and rural communities, and then that bad politics in turn becomes an obstacle to change and development. Those in charge see schools and local government as sources of patronage jobs and political power rather than as public institutions to serve the common good. Politics and political forces become part of the problem instead of part of the solution. Only investment and organizing can turn the poor community around and provide real opportunity for low income residents to succeed