Seventh International Workshop on
Optimal Codes and Related Topics OC 2013
September 6 - 12, 2013, Albena, BULGARIA

Dedicated to Stefan Dodunekov (1945-2012)


ORGANIZED BY

Institute of Mathematics and Informatics, Bulgarian Academy of Sciences




PROGRAMME COMMITTEE
ORGANIZING COMMITTEE

    Blagovest Sendov (Sofia)
    Ivan Landjev (Sofia)
    Tor Helleseth (Bergen)
    Marcus Greferath (Dublin)
    Jan van Zanten (Delft)
    Wolfgang Willems (Magdeburg)
    Victor Zinoviev (Moscow)
    Leonid Bassalygo (Moscow)
    Thomas Ericson (Linköping)
    Pascale Charpin (Paris)
    Juriaan Simonis (Delft)
    Leo Storme (Gent)

    Tsonka Baicheva (Veliko Tarnovo)
    Peter Boyvalenkov (Sofia)
    Emil Kolev (Sofia)
    Ivan Landjev (Sofia)
    Silvia Boumova (Sofia)
    Stela Zhelezova (Veliko Tarnovo)

SCIENTIFIC PROGRAMME
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In memoriam Stefan Dodunekov
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V. Afanassiev, A. Davydov, V. Potapov. Generalized concatenated coding and Fourier transform
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H. Aydinian, F. Cicalese, C. Deppe, V. Lebedev. Optimal strategies for a model of combinatorial two-sided search
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D. Bartoli, A. Davydov, G. Faina, A. Kreshchuk, S. Marcugini, F. Pambianco. Two types of upper bounds on the smallest size of a complete arc in the plane PG(2; q)
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D. Bartoli, A. Davydov, G. Faina, S. Marcugini, F. Pambianco. New upper bounds on the smallest size of a complete cap in the space PG(3; q)
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L. Bassalygo, V. Zinoviev. On q-ary optimal equitable symbol weight codes
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S. Bezateev, N. Shekhunova. Optimal quasi-cyclic Goppa codes
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Yu. Borissov. On McEliece's result about divisibility of the weights in the binary Reed-Muller codes
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I. Bouyukliev, V. Monev, M. Dzhumalieva-Stoeva. About parallelization of an algorithm for the maximum clique problem
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S. Bouyuklieva, I. Bouyukliev. On the binary quasi-cyclic codes
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P. Boyvalenkov, H. Kulina, M. Stoyanova. Nonexistence of certain binary orthogonal arrays
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P. Boyvalenkov, H. Kulina, M. Stoyanova. On (4,9,96) binary orthogonal arrays
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J. de la Cruz, W. Willems. On network codes and partial spreads
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R. Daskalov, E. Metodieva. New good (n; r)-arcs in PG(2,29)
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E. Gabidulin, O. Trushina. Anonymous and secure network coding scheme
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N. Georgieva, I. Landjev. A note on the existence of spreads in projective Hjelmslev spaces
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P. Hristov. Some new linear codes over GF(4)
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G. Kabatiansky. What to do if syndroms are corrupted also?
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Yu. Kageyama, T. Maruta. New 5-dimensional linear codes over F5
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A. Kasparian, E. Velikova. MDS deformations of linear codes
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P. Kazakov. On the binary CRC codes used in the HARQ scheme of the LTE standard
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E. Kolev, Ts. Baicheva. About the inverse football pool problem for 9 games
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H. Kostadinov, N. Manev. On integer code correcting single error of type (+-1; 2)
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I. Landjev, A. Rousseva. Blocking sets in ?nite projective spaces and the extension problem for linear codes
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Ch. Li, T. Helleseth. Binary quasi-perfect linear codes from APN quadratic functions
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T. Maruta, T. Tanaka, H. Kanda. New extension theorems for codes over Fq
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G. Nebe, D. Villar. An analogue of the Pless symmetry code
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V. Prelov. On asymptotic behavior of entropy of ellipsoids in a Hamming space
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T. Todorov, Z. Varbanov. DNA codes based on additive self-dual codes over GF(4)
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S. Topalova, S. Zhelezova. Parallelisms of PG(3; 5) with automorphisms of order 13
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A. Vasil'eva. Local distributions of q-ary eigenfunctions and of q-ary perfect colorings
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V. Vavrek, A. J. van Zanten. Special weight partitions modulo a prime
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N. Yankov. On the binary self-dual [96; 48; 20] codes with an automorphism of order 9
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D. Zinoviev, V. Zinoviev. Steiner quadruple systems S(n; 4; 3) of a fixed corank
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LOCATION

The Workshop took place in the resort of Albena (Bulgaria), hotel Ralitsa. The nearest airport is Varna.


LANGUAGE

    The official language of the workshop was English.


SUBMISSIONS

Authors were invited to submit at most six pages camera ready papers in Latex 132 x 190 mm by e-mail to. The recomended format for LaTex file was the following template.


SOCIAL EVENTS

Several photos