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Workshop on Codes, Orthogonal Arrays, and Related Areas

Workshop on Codes, Orthogonal Arrays, and Related Areas   One-day workshop on "Codes, Orthogonal Arrays, and Related Areas" will be held at Sabancı University, Türkiye. The event aims to bring together researchers working on coding theory, combinatorial designs, and related algebraic structures to discuss recent developments and explore potential collaborations. Organizers: Peter Boyvalenkov (Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Bulgaria) Ferruh Özbudak (Sabancı University, Türkiye) Program 13:40 – 14:30 Stefka Bouyuklieva (Veliko Tarnovo University, Bulgaria) "Linear codes over a finite field with a given permutation automorphism" 14:40 – 15:30 Maryam Bajalan (Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Bulgaria) "Codes over rings, with emphasis on polycyclic codes" 15:30 – 15:50 Coffee Break 15:50 – 16:20 Iliya Bouyukliev (Institute of [...]

2025-10-16T12:09:11+03:00Thursday, 16 October 2025|Categories: |Tags: , |
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National Coding Theory workshop “Professor Stefan Dodunekov”

The National Coding Theory workshop with international participation "Profesor Stefan Dodunekov" will be held from 4th to 7th December 2025 in St. Ekaterina Garden Hotel in the village of Ribaritsa. The scientific program will be held on December 5th and 6th and will include short talks (up to 20 minutes), thesis presentations (up to 40 minutes) and discussions. To participate in the scientific program, please send a title and a short abstract (up to one page) to Peter Boyvalenkov, peter@math.bas.bg, and to Tsonka Baicheva, tsonka@math.bas.bg, before 23.11.2025. The workshop includes the annual reports session of the Mathematical Foundations of Informatics Department, IMI-BAS, too. PROGRAMME

2025-12-02T13:25:17+02:00Wednesday, 17 September 2025|Categories: , |Tags: , , , |
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National Coding Theory workshop “Professor Stefan Dodunekov”

The National Coding Theory workshop with international participation "Profesor Stefan Dodunekov" will be held from 21nd to 24th November 2024 in Hotel “Sevastokrator” (https://sevastokrator.com/) in the village of Arbanassi. The scientific program will be held on 22th and 23th November and includes short talks (up to 20 minutes), thesis presentations (up to 40 minutes) and discussions. To participate in the scientific program, please send a title and a short abstract (up to one page) to Peter Boyvalenkov, peter@math.bas.bg and Tsonka Baicheva, tsonka@math.bas.bg before 11.11.2024. The workshop includes the annual reports session of the Mathematical Foundations of Informatics Department, IMI-BAS, too.

2024-10-21T11:21:46+03:00Monday, 21 October 2024|Categories: |Tags: , , , |
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Seminar on Problems and Methods Related to Coding Theory

The seminar on Problems and Methods Related to Coding Theory organized by: Novosibirsk State University, Novosibirsk, Russia Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Bulgaria is inviting you to its next meeting to be held on March 2, 2021 at 1 p.m. Prof. Peter Boyvalenkov, Institute of Mathematics and Informatics, Bulgarian Academy of Sciences will deliver a talk on: Universal Bounds for Cardinality and Energy of Codes of Given Minimum and Maximum Distances Abstract. We employ signed measures that are positive definite up to certain degrees to establish Levenshtein-type upper bounds on the cardinality of codes with given minimum and maximum distances, and universal lower bounds on the [...]

2021-02-28T21:52:13+02:00Sunday, 28 February 2021|Categories: |Tags: , |
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Online seminar: Problems and Methods Related to Coding Theory

As part of the online seminar Problems and Methods Related to Coding Theory organized by: the Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Bulgaria the Novosibirsk State University, Novosibirsk, Russia the Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia on February 2, 2021, 1:00 pm Sofia (6:00 pm Novosibirsk, 2:00 pm Moscow) Prof. Sergey Avgustinovich, Sobolev Institute of Mathematics, Novosibirsk, Russia will deliver a talk on: Совершенные раскраски циркулянтных графов (Perfect colorings of circulant graphs). Abstract: A Cayley graph of the infinite cyclic group having generators d1, d2, d3, …, dn is called circulant. It is denoted by С∞(d1, d2, d3, …, dn). A coloring of the vertex set of a graph is called perfect if [...]

2021-01-29T14:11:42+02:00Friday, 29 January 2021|Categories: , |Tags: |
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