We describe several different regimes which are possible in inflationary cosmology. The simplest one is inflation without self-reproduction of the universe. In this scenario the universe is not stationary. The second regime, which exists in a broad class of inflationary models, is eternal inflation with the self-reproduction of inflationary domains. In this regime local properties of domains wi...

In this paper a stochastic generalisation of the standard Linde-BuzoGray (LBG) approach to vector quantiser (VQ) design is presented, in which the encoder is implemented as the sampling of a vector of code indices from a probability distribution derived from the input vector, and the decoder is implemented as a superposition of reconstruction vectors, and the stochastic VQ is optimised using a ...

Environmental issues have received considerable attention in the literature over the past few years; consider, for example, Burrit (2004), Hopwood (2009), Hubbard (2009), Masanet-Llodra (2006), and Schaltegger and Wagner (2006), to name but a few. Several factors have motivated companies to investigate and improve environmental performance (Länsiluoto&Järvenpää, 2008). Stakeholders, such as cus...

We study the ground state wave function for a universe which is topologically a lens space within the Regge calculus approach. By restricting the four dimensional simplicial complex to be a cone over the boundary lens space, described by a single internal edge length, and a single boundary edge length, one can analyze in detail the analytic properties of the action in the space of complex edge ...

The diplogasterid genus Mononchoides Rahm, 1928 (syn: Eudiplogaster Paramonov, 1952) is reviewed. Examination of the descriptions of nominal species and synonyms indicates that generic characters are stave-like anterior stomal rhabdions, a claw-like dorsal tooth and subventral pyramidal tooth, and a cylindrical or prismatic telostom which is somewhat smaller in diameter than the protostom regio...

D. Kazakos, “On the design of robust quantizers,” presented at the 1981 Nat. Telecommun. Conf., New Orleans, LA, Dec. 1981. P. J. Huber, “A robust version of the probability ratio test,” Ann. Math. Statist., vol. 36, pp. 1753-1758, 1965. R. D. Martin and S . C. Schwartz, “Robust detection of a known signal in nearly Gaussian noise,” IEEE Trans. Inform. Theory, vol. IT-17, pp. 50-55, Jan. 1971. ...

The paper presents new clustering algorithm. The proposed algorithm gives less distortion as compared to well known Linde Buzo Gray (LBG) algorithm and Kekre’s Proportionate Error (KPE) Algorithm. Constant error is added every time to split the clusters in LBG, resulting in formation of cluster in one direction which is 135 in 2-dimensional case. Because of this reason clustering is inefficient...

We elucidate the nature of the correction to the Hartle-Hawking wavefunction presented in hep-th/0505104 and hep-th/0406107. The correction comes from the quantum fluctuation of the metric that spontaneously breaks the classical deSitter symmetry. This converts the tunneling from nothing to a deSitter-like universe via a S instantion to that via a barrel instanton, which is bounded from below. ...

Automatic facial recognition is an attractive solution to the problem of computerised personal identification. In order to facilitate a cost effective solution, high levels of data reduction are required when storing the facial information. Vector Quantization has previously been used as a data reduction technique for the encoding of facial images. This paper identifies the fundamental importan...

The Hemse Group is one of the least understood stratigraphic units Silurian sequence Gotland, Sweden. New results from airborne transient electromagnetic (ATEM) measurements in combination with previously published data field studies and geophysical investigations shed new light on carbonate platform development during early- to mid-Ludlow Group. ATEM reveals a transgressive phase that began ne...