نتایج جستجو برای: 1969 generally
تعداد نتایج: 240744 فیلتر نتایج به سال:
A quantum field theory in its algebraic description may admit many irregular states. So far, selection criteria to distinguish physically reasonable states have been restricted to free fields (Hadamard condition) or to flat spacetimes (e.g., Buchholz-Wichmann nuclearity). We propose instead to use a modular `p-condition, which is an extension of a strengthened modular nuclearity condition to ge...
Walking is the most natural way of moving within a virtual environment (VE). Mapping the user’s movement one-to-one to the real world clearly has the drawback that the limited range of the tracking sensors and a rather small working space in the real word restrict the users’ interaction. In this paper we introduce concepts for virtual locomotion interfaces that support exploration of large-scal...
asked several neuroscientists who have been active in the society to reflect on some of the changes they have seen in their respective fields over the last 40 years. During the past two centuries, the study of learning and memory has been central to three disciplines: first philosophy, then psychology , and now biology. Biological inquiry began in earnest during the latter part of the 20th cent...
When we compare mathematics with logic in regard to the role these two domains of knowledge [Erkenntnisgebieten] are assigned to within philosophical thinking, we find a disagreement among the philosophers. For some logic is primary [das Ausgezeichnete]; for them, logic in the wide sense is the λóγoς, that what is rational, and logic the narrower sense is the inventory [Bestand] of elementary i...
(0, 1) [84, 164, 227, 207, 267, 418]. (1, 1) [74]. (C, 1) [442]. (C, γ, μ) [369]. (f, dn) [388, 993]. (x, y, z) = (y, z, x) [778]. (Z, p) [330]. 0 [863, 934]. 1 [789]. 2 [978, 459, 422, 878, 802]. 3 [245]. 4× n [660]. 5 [626]. 52 [987]. [5] [452]. [F, dn] [993, 60, 240]. [J, f(x)] [366]. ABA [138]. α [161, 606]. C(X) [725]. C(H) [154]. D [925]. P [591]. D [520, 600]. D(X) [906]. e [712]. E [819...
The aim of this study was to record the changes in Cafayate region, Northwestern Argentina, over last 50 years (1969–2019), with a focus on fluvial and dune systems, together human activity. multi-temporal analysis different kinds remote sensor images field surveys allowed us establish that final section Santa María River shows meandering channel whose arrangement morphology have substantially ...
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