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Ancient origins of a modern anthropic argument against cosmologies involving infinite series of past events are considered. It is shown that this argument – which in modern times has been put forward by distinguished cosmologists such as Paul C. W. Davies and Frank J. Tipler – originates in pre-Socratic times and is implicitly present in the cyclical cosmology of Empedocles. There are traces of...
We develop new perturbative tools to accurately study radiatively induced first-order phase transitions. Previous methods have suffered internal inconsistencies and been unsuccessful in reproducing lattice data, which is often attributed infrared divergences of massless modes (the Linde problem). employ a consistent power counting scheme perform calculations compare our results against data. co...
I have calculated, at zero temperature and using the thin-wall approximation, the exponential suppression factor in the rate of decay of the false vacuum per unit volume for a real scalar field. The effects of classical gravity are included. Both the false and the true vacua have arbitrary cosmological constants. I speculate on the effects of gravity in the new inflationary universe scenario. S...
Ula??m alan?ndaki enerji ihtiyac? gün geçtikçe artmaktad?r. sektörünün kullan?m?ndaki pay? görece fazla oldu?u için son y?llarda elektrikli araç ve ?arj istasyonlar?na olan yat?r?mlar ivme kazanm??t?r. Bu ba?lamda, istasyonlar?n?n güne? enerjisi gibi yenilenebilir kaynaklardan enerjilerini üreterek ?ebekeye yükü dolum maliyetlerini azaltmas? beklenmektedir. çal??mada, ?zmir ili al??veri? merkez...
Echinacea has been in the news lately, due to a series of studies that found it to be ineffective in protecting against respiratory tract infections such as coughs and colds (Grimm & Muller ’99, Barrett et al ’02, Kreutzfeld ’06). These were all randomised, double blind trials with reasonable numbers of trial subjects, so they cannot be lightly dismissed. In addition to these negative findings,...
nary Research 59: 183–189 12. Venter G J, Nevill E M, Van Der Linde T C de K 1996 Geographical distribution and relative abundance of stock-associated Culicoides species (Diptera: Ceratopogonidae) in southern Africa, in relation to their potential as virus vectors. Onderstepoort Journal of Veterinary Research 63: 25–38 13. Venter G J, Paweska J T, Hamblin C, 1999 Is Culicoides imicola the only ...
In VQ based image compression technique has three major steps namely (i) Codebook Design, (ii) VQ Encoding Process and (iii) VQ Decoding Process. The performance of VQ based image compression technique depends upon the constructed codebook. A widely used technique for VQ codebook design is the Linde-Buzo-Gray (LBG) algorithm. However the performance of the standard LBG algorithm is highly depen...
In this paper, a new wavelet-domain codebook design algorithm is proposed for image coding. The method utilizes mean-squared error and variance based selection schemes for good clustering of data vectors in the training space. As the clustering process terminates only in two steps, it is highly computationally efficient as compared to other reported methods. Simulation results are presented to ...
Authors/Task Force Members: Karl Swedberg, Chairperson,* Göteborg (Sweden) Writing Committee: John Cleland, Hull (UK), Henry Dargie, Glasgow (UK), Helmut Drexler, Hannover (Germany), Ferenc Follath, Zurich (Switzerland), Michel Komajda, Paris (France), Luigi Tavazzi, Pavia (Italy), Otto A. Smiseth, Oslo (Norway). Other Contributors: Antonello Gavazzi, Bergamo (Italy), Axel Haverich, Hannover (G...
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