Russia's Foreign Trade in October 2012

Welding Journal - October 2012

There are a wide range of important applications for metal tube materials in various fields. The production process of high-frequency longitudinally welded pipe includes first using a roller to coil the long steel strips of a certain size into a cylinder shape, and then join them by heating the steel materials at the welding edge with a high-frequency welding machine — Fig. 1. The processes inc...

11 October 2012

A method of fast linear transform algorithm synthesis for an arbitrary tensor, matrix, or vector is proposed. The method is based on factorization of a tensor and using the factors for building computational structures performing fast tensor vector multiplication on a computer or dedicated hardware platform.

Digest October 2012

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Cover vol. 9, no. 3, october 2012

Lecture 14 — October 30 , 2012

In the previous lecture, we began our discussion of pseudorandomness. We presented the BlumMicali definition of a pseudorandom generator, which defines pseudorandomness in terms of how hard it is for members of a specific computation class to distinguish between true randomness and generated randomness. We proved Yao’s theorem, which provides a link between the existence of certain pseudorandom...