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A Guide to the Russian Academy of Sciences - University of Texas ...

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some 400, <strong>of</strong> whom 250 were pr<strong>of</strong>essional researchers, ano<strong>the</strong>r 100 were engineers<br />

and some 50 held administrative posts. The institute publishes a periodical<br />

“Problemy predate informants.” It also publishes monographs and o<strong>the</strong>r scientific<br />

papers, issues some preprints and proceedings. Its library contains over 50,000<br />

volumes. The institute is subordinate <strong>to</strong>--or affiliated with--<strong>the</strong> Department <strong>of</strong><br />

Information Science, Computer Technology and Au<strong>to</strong>mation <strong>of</strong> <strong>the</strong> <strong>Russian</strong><br />

academy.<br />

Important areas <strong>of</strong> research in <strong>the</strong> institute include <strong>the</strong> following areas <strong>of</strong> scientific<br />

concentration:<br />

Information Theory Labora<strong>to</strong>ry: From 1962 <strong>to</strong> 1990 Scientists under Pr<strong>of</strong>essor M. S.<br />

Pinsker, D. PM. S. originally called <strong>the</strong> Ma<strong>the</strong>matical Information Theory<br />

Labora<strong>to</strong>ry, and since 1991 under Pr<strong>of</strong>essor N. A. Kuznetsov--have worked on <strong>the</strong><br />

probabilistic, algebraic and combinational aspects <strong>of</strong> information and coding <strong>the</strong>ory,<br />

carried out fundamental studies on <strong>the</strong> potential performance <strong>of</strong> various systems for<br />

information transmission and s<strong>to</strong>rage, on <strong>the</strong> construction <strong>of</strong> new classes <strong>of</strong> codes<br />

using concatenation approaches, on convolution codes and founding probabilistic<br />

decoding algorithms, on <strong>the</strong> application <strong>of</strong> algebraic geometry methods in coding<br />

<strong>the</strong>ory, and on methods <strong>of</strong> source coding and <strong>the</strong> design <strong>of</strong> data compression<br />

algorithms. Important researchers in this Labora<strong>to</strong>ry include K. Sh. Zigangirov, D.<br />

Tech. S.; Iurii I. Sagalovich, D. Tech. S.; Iurii M. Shtarkov, D. Tech. S., and, V.<br />

A. Zinoviev, D. PM. S.<br />

Pattern Identification Labora<strong>to</strong>ry: Researchers under V. V. Zyablov, D. Tech. S.-have<br />

developed a <strong>the</strong>ory and method for error-correcting information coding, and are<br />

studying <strong>the</strong> realization complexity and <strong>the</strong> error-correcting capacity <strong>of</strong> various<br />

classes <strong>of</strong> codes and <strong>of</strong> coded modulation constructions matched with <strong>the</strong> properties<br />

<strong>of</strong> telecommunication channels. They are designing specific code classes matched<br />

with error and defects <strong>of</strong> memory and are providing for <strong>the</strong> reliable s<strong>to</strong>rage and<br />

reconstruction <strong>of</strong> data. They are working on <strong>the</strong> hardware and s<strong>of</strong>tware for <strong>the</strong><br />

implementation <strong>of</strong> <strong>the</strong> systems with error-correcting codes.<br />

The Complex Information Systems Labora<strong>to</strong>ry headed by Pr<strong>of</strong>essor Roland L.<br />

Dobrushin, D. PM. S. who, in 1971 headed <strong>the</strong> Ma<strong>the</strong>matical Study <strong>of</strong> Large Scale<br />

Systems Labora<strong>to</strong>ry, is working on algebraic coding throughout <strong>the</strong> world<br />

furnishing better asymp<strong>to</strong>tic bounds for <strong>the</strong> information transmission rate. The<br />

group is now working on algorithms for coding and decoding, suitable for computer<br />

use. Leading scientists in <strong>the</strong> labora<strong>to</strong>ry include L. A. Bassalygo, D. PM. S.; G. A.<br />

Margulis, D. PM. S.; V. V. Prelov, D. PM. S.; S. B. Shlosman, D. PM. S., and I.<br />

A. Ovseevich, D. Tech. S.<br />

The information distribution and communications networks area:<br />

Switching Systems and Teletraffic Theory Labora<strong>to</strong>ry: Scientists in <strong>the</strong><br />

Switching Systems and Teletraffic Theory Labora<strong>to</strong>ry under S. N. Stepanov, D.<br />

Tech. S., are developing teletraffic <strong>the</strong>ory and its application in engineering<br />

operations and planning related <strong>to</strong> telecommunications and computer systems. The<br />

application fields studied in <strong>the</strong> labora<strong>to</strong>ry include telephone switching systems and<br />

networks, computer communication systems and networks, and integrated services<br />

digital networks. Scientists and engineers study <strong>the</strong> quality <strong>of</strong> service and <strong>the</strong><br />

operation <strong>of</strong> services <strong>of</strong> <strong>the</strong> networks and systems, network and system design-design<br />

alternatives and <strong>the</strong>ir performance evaluation, system and network<br />

architecture, routing, congestion and flow control techniques, and dimensioning--<strong>the</strong><br />

357

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