In an exchange of letters with the French novelist Romain Rolland, Freud came to acknowledge a more intractable source of religious sentiment.
The conclusion that it is us – rather than the climate – that is the most intractable source of uncertainty is the central theme in a new paper by Antony Patt and Elke Weber.
Often her shows are original, developed in collaboration with actors from intractable source material like Proust's "In Search of Lost Time," the notebooks of Leonardo da Vinci and ancient collections of fable, including "The Odyssey," "Metamorphoses" and "The Arabian Nights".
As Richard Morrison wrote in the Times after the first performance of Paul Patterson's Harmonica Concerto in 1987, "Reilly's determination to establish the 'highbrow' credentials of his solid silver instrument has been matched by his skill at coaxing lyrical, musicianly sounds from this most intractable of sources".
Tourists can sip a sundowner in the quaint wine-lands town of Franschhoek as lorries rumble down the main street, loaded with low-paid men being delivered home after a day's work.This lack of social and economic change is one of South Africa's most intractable problems, and a source of growing frustration.
The specificity of floating-point arithmetic deserve a special discussion, both because of its central role in much of scientific software and because of its reputation of being the source of intractable problems.
Second, we use this formalization to show that the problem is intractable (NP-hard) and identify three sources of intractability: (a) deciding what phenomena to model; (b) deciding how to model the chosen phenomena; and (c) satisfying domain-dependent constraints.
Sacral insufficiency fractures and metastases are a source of severe intractable pain, with limited therapeutic options.
Statistical inference provides an elegant framework to deal with this problem, but these methods are usually intended for single instrument f0 estimation (typically piano), as exact inference often becomes computationally intractable for complex and very different sources.
It has risen against the background of one of the world's most intractable civil conflicts, providing a rare source of unity for a war-torn nation.
