This volume contains the Proceedings of'the International Workshop "Lattice Gauge Theory 1986", held at Brookhaven National Laboratory, September 15 - 19, 1986. The meeting was the sequel to the one held at Wuppertal in 1985, the Proceedings of which have appeared in the same Plenum series. During the past few years, a considerable number of meetings on lat tice gauge theory have been held, on both sides of the Atlantic. With our workshop, through early planning and coordination with other prospective organizers, we tried to channel this activity into one major yearly meeting. For 1986, these efforts were successful, and it is our hope that a pattern has been set for the coming years. One result, however, was that the number of participants considerably exceeded that normally found at NATO Advanced Research Workshops. This year, a "nucleus" of NATO-supported experts induced a large number of further interested specialists to obtain their own funds - thus greatly amplifying the impact of the event. The topics covered at the workshop ranged from hadron spectra to strong interaction thermo dynamics; they included spontaneous symmetry breaking and Higgs models, renormalization group methods, as well as many contributions on various possible schemes for the simulation of dynamical quarks. First systematic applications of finite size scaling to lattice gauge theory were discussed, and the approach to the continuum limit was considered in detail.
This volume contains the Proceedings of'the International Workshop "Lattice Gauge Theory 1986", held at Brookhaven National Laboratory, September 15 - 19, 1986. The meeting was the sequel to the one held at Wuppertal in 1985, the Proceedings of which have appeared in the same Plenum series. During the past few years, a considerable number of meetings on lat tice gauge theory have been held, on both sides of the Atlantic. With our workshop, through early planning and coordination with other prospective organizers, we tried to channel this activity into one major yearly meeting. For 1986, these efforts were successful, and it is our hope that a pattern has been set for the coming years. One result, however, was that the number of participants considerably exceeded that normally found at NATO Advanced Research Workshops. This year, a "nucleus" of NATO-supported experts induced a large number of further interested specialists to obtain their own funds - thus greatly amplifying the impact of the event. The topics covered at the workshop ranged from hadron spectra to strong interaction thermo dynamics; they included spontaneous symmetry breaking and Higgs models, renormalization group methods, as well as many contributions on various possible schemes for the simulation of dynamical quarks. First systematic applications of finite size scaling to lattice gauge theory were discussed, and the approach to the continuum limit was considered in detail.
When Belgian scientist Jean-Charles Houzeau arrived in New Orleans in 1857, he was disturbed that America, founded on the principle of freedom, still tolerated the institution of slavery. In late 1864, he became managing editor of the New Orleans Tribune, the first black daily newspaper published in the United States. Ardently sympathetic to the plight of Louisiana’s black population and reveling in the fact that his dark complexion led many people to assume he was black himself, Houzeau passionately embraced his role as the Tribune’s editor and principal writer. My Passage at the New Orleans “Tribune,” first published in Belgium in 1872, is Houzeau’s memoir of the four years he spent as both observer and participant in the drama of Reconstruction. Houzeau records the efforts of New Orleans’s free blacks to secure their civil rights and to assume as well the cause of the newly freed slaves. With a scientist’s keen and sensitive eye, he observes the turmoil of Reconstruction in Louisiana and recalls the per-sonalities of the black leaders, the tensions within the black community, and his own day-to-day struggle to make the Tribune a nationally respected vehicle for the advancement of black rights and equality. Scholars have long recognized the importance of the New Orleans Tribune as a source for both southern and African American history. My Passage at the New Orleans “Tribune,” meticulously edited and annotated by David C. Rankin, offers a unique firsthand account of the newspaper’s operation and crusade, written by the energetic and dedicated man who guided it to prominence.
Invasive stimulation of the motor (precentral) cortex using surgically implanted epidural electrodes is indicated for the treatment of neuropathic pain that is refractory to medical treatment. Controlled trials have demonstrated the efficacy of epidural motor cortex stimulation (MCS), but MCS outcome remains variable and validated criteria for selecting good candidates for implantation are lacking. Repetitive transcranial magnetic stimulation (rTMS) is a noninvasive approach that could be used as a preoperative tool to predict MCS outcome and also could serve as a therapeutic procedure in itself to treat pain disorders. This requires repeated rTMS sessions and a maintenance protocol. Other studies have also demonstrated the efficacy of transcranial direct current stimulation (tDCS) in relieving chronic pain syndromes. The most studied target is the precentral cortex, but other targets, such as the prefrontal and parietal cortices, could be of interest. The analgesic effects of cortical stimulation relate to the activation of various circuits modulating neural activities in remote structures, such as the thalamus, limbic cortex, insula, or descending inhibitory controls. In addition to the treatment of refractory neuropathic pain by epidural MCS, new developments of this type of strategy are ongoing, for other types of pain syndrome and stimulation techniques.
List of Tables List of Maps List of Figures Preface PART 1: THE DEPRESSION AND THE WAR 1930-1945 Introduction Quebec in 1929 The Depression A Troubled Period The Second World War
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