2024

• Буюклиева, Стефка и др. Dual transform and projective self-dual codes / Iliya Bouyukliev - Advances in Mathematics of Communications, 2024, 18(2): 328-341. doi: 10.3934/amc.2023032

• Буюклиева, Стефка и др. Generating m-ary Gray Codes and Related Algorithms / Илия Буюклиев, Валентин Бакоев, Мария Пашинска-Гаджева - MDPI Algorithms 2024, 17, 311. https://doi.org/10.3390/a17070311

• Буюклиева, Стефка и др. How to Find the Equivalence Classes in a Set of Linear Codes in Practice? / Iliya Bouyukliev - MDPI Mathematics 2024, 12, 328. https://doi.org/10.3390/math12020328

• Буюклиева, Стефка. On the structure of the linear codes with a given automorphism - Advances in Mathematics of Communications, 2024, 18(2): 535-548. doi: 10.3934/amc.2023051

2022

• Буюклиева, Стефка и др. Extremal Binary and Ternary Codes of Length 60 with an Automorphism of Order 29 and a Generalization / Javier de la Cruz and Darwin Villar - Mathematics 2022, 10, 748. https://doi.org/10.3390/math10050748

• Буюклиева, Стефка и др. On Some Families of Codes Related to the Even Linear Codes Meeting the Grey–Rankin Bound / I. Bouyukliev, M. Pashinska-Gadzheva - Mathematics 2022, 10, 4588. https://doi.org/10.3390/math10234588

• Буюклиева, Стефка и др. On the Structure of Binary LCD Codes having an Automorphism of Odd Prime Order / Javier de la Cruz - IEEE Transactions on Information Theory, vol. 68, no. 10, pp. 6426-6433, 2022, doi: 10.1109/TIT.2022.3164781.

2021

• Буюклиева, Стефка и др. A software program for equivalence of linear codes over finite fields / Iliya Bouyukliev - ACA 2021 Book of Abstracts https://aca2021.sba-research.org/data/ACA_2021_Book_of_Abstracts.pdf

• Буюклиева, Стефка и др. An Extension of the Brouwer–Zimmermann Algorithm for Calculating the Minimum Weight of a Linear Code / Iliya Bouyukliev - Mathematics 2021, 9(19), 2354; https://doi.org/10.3390/math9192354. https://www.mdpi.com/2227-7390/9/19/2354

• Буюклиева, Стефка и др. Characteristic vector and weight distribution of a linear code / Iliya Bouyukliev, Tatsuya Maruta, Paskal Piperkov - Cryptography and Communications, vol. 13, pp. 263–282 (2021). Impact factor: 1.291 (2019) https://doi.org/10.1007/s12095-020-00458-8

• Буюклиева, Стефка и др. Computer classification of linear codes, doi: 10.1109/TIT.2021.3114280. / I. Bouyukliev and S. Kurz - IEEE Transactions on Information Theory, vol. 67, no. 12, pp. 7807-7814, Dec. 2021, doi: 10.1109/TIT.2021.3114280. Impact factor (2020) 2.501 Q1 Print ISSN: 0018-9448 Electronic ISSN: 1557-9654

• Буюклиева, Стефка. Decomposing Linear Codes over Finite Fields using Permutation Groups - http://www.math.bas.bg/algebra/tcrt2021/participants.html

• Буюклиева, Стефка. Optimal Binary LCD Codes - Designs, Codes and Cryptography, ( arXiv:2010.13399v1), Published 06.09.2021, 89, pages 2445–2461. https://doi.org/10.1007/s10623-021-00929-w

• Буюклиева, Стефка. Self-Dual Codes (invited contribution) - Huffman, W.C., Kim, J.-L., & Solé, P. (2021). Concise Encyclopedia of Coding Theory (1st ed.). CRC Press. https://doi.org/10.1201/9781315147901

2020

• Буюклиева, Стефка и др. Binary Isodual Codes Having an Automorphism of Odd Prime Order / Russeva, R. & Karatash, E - Mathematics in Computer Science, vol. 14, pp. 423-429, 2020. https://doi.org/10.1007/s11786-019-00417-4

• Буюклиева, Стефка и др. Binary LCD Codes Having an Automorphism of Odd Prime Order / Radka Russeva - S. Bouyuklieva and R. Russeva, "Binary LCD Codes Having an Automorphism of Odd Prime Order," 2020 Algebraic and Combinatorial Coding Theory (ACCT), Albena, Bulgaria, 2020, pp. 1-5, doi: 10.1109/ACCT51235.2020.9383366.

• Буюклиева, Стефка и др. Classification of Linear Codes by Extending Their Residuals / Iliya Bouyukliev - In: Bigatti A., Carette J., Davenport J., Joswig M., de Wolff T. (eds) Mathematical Software – ICMS 2020. ICMS 2020. Lecture Notes in Computer Science, vol 12097. Springer, Cham

• Буюклиева, Стефка и др. Database with linear codes. / Iliya Bouyukliev, Sascha Kurz - Zenodo (2020). https://doi.org/10.5281/zenodo.3957236.

• Буюклиева, Стефка и др. On the Formally Self-Dual Binary [30, 15, 8] Codes / Iliya Bouyukliev - S. Bouyuklieva and I. Bouyukliev, "On the Formally Self-Dual Binary [30, 15, 8] Codes," 2020 Algebraic and Combinatorial Coding Theory (ACCT), Albena, Bulgaria, 2020, pp. 1-3, doi: 10.1109/ACCT51235.2020.9383239.

• Буюклиева, Стефка и др. The CompMath Competition: Solving Math Problems with Computer Algebra Systems / Stoyan Kapralov, Penka Ivanova - in Engaging Young Students In Mathematics Through Competitions - World Perspectives And Practices: Volume Ii - Mathematics Competitions And How They Relate To Research, Teaching And Motivation, World Scientific, 15.04.2020 г. - 300 pages, Geretschlager Robert - Editor.

• Буюклиева, Стефка и др. Национална студентска олимпиада по компютърна математика "Акад. Стефан Додунеков" / Стоян Капралов - Научна поредица "Иновативно STEM образование", Том 2, 2020 ISSN: 2683-1333, http://www.math.bas.bg/vt/stemedu/book-2-bg.php

2019

• Буюклиева, Стефка и др. An algorithm for computing the weight distribution of a linear code over a composite finite field with characteristic 2 / Paskal Piperkov, Iliya Bouyukliev - World Scientific, pp. 163-181 (2019) https://doi.org/10.1142/9789811206696_0011

• Буюклиева, Стефка и др. Bijective S-boxes of different sizes obtained from quasi-cyclic codes / Dusan Bikov, Iliya Bouyukliev - J. Algebra Comb. Discrete Appl., Volume 6, pp. 123-134, 2019. DOI: 10.13069/jacodesmath.617232

• Буюклиева, Стефка и др. COMPMATH 2018 - THE SEVENTH STUDENT OLYMPIAD IN COMPUTER MATHEMATICS / Stoyan Kapraloev, Peter Kopanov - EDULEARN19 Proceedings, pp. 9964-9970, 11th International Conference on Education and New Learning Technologies, Palma de Mallorca (Spain). 1st - 3rd of July, 2019, ISBN: 978-84-09-12031-4 ISSN: 2340-1117

2018

• Буюклиева, Стефка и др. Binary Isodual Codes Having an Automorphism of Odd Prime Order / Radka Russeva, Emine Karatash - 24th Conference on Applications of Computer Algebra, Santiago de Compostela. June 18-22, 2018,

• Буюклиева, Стефка и др. Combinatorial Algorithms for Linear Codes in Q-Extension / Iliya Bouyukliev - Sixteenth International Workshop on Algebraic and Combinatorial Coding Theory Svetlogorsk (Kaliningrad region), Russia, September 02-08, 2018

• Буюклиева, Стефка и др. Nonexistence of certain singly even self-dual codes with minimal shadow / Masaaki Harada, Akihiro Munemasa - Electronic Journal of Combinatorics, Volume 25, Issue 1, Paper #P1.13

2017

• Буюклиева, Стефка и др. Dual Transform through Characteristic Vectors / Iliya Bouyukliev - Second International Conference “Mathematics Days in Sofia”, July 10–14, 2017, Sofia, Bulgaria

• Буюклиева, Стефка и др. On Some Automorphisms of Order 3 of the Extremal Binary Codes / Radka Russeva, Emine Karatash - Electronic Notes in Discrete Mathematics Volume 57, March 2017, Pages 73–78

• Буюклиева, Стефка и др. S-Boxes from Binary Quasi-Cyclic Codes / Iliya Bouyukliev, Dusan Bikov - Electronic Notes in Discrete Mathematics Volume 57, March 2017, Pages 67–72

• Буюклиева, Стефка и др. The 6-th CompMath Competition / Стоян Капралов - Proceedings of the 12th Annual Meeting of the Bulgarian Section of SIAM, December 20 - 22, 2017, Sofia, Bulgaria (BGSIAM'17), pp.55-56

• Буюклиева, Стефка и др. Десети математически турнир на Великотърновския университет за ученици от 11 и 12 клас / Иванка Минчева, Галя Накова - сп. "Математика", бр. 4, стр. 25-30, ISSN 0204-6881

2016

• Буюклиева, Стефка и др. Algorithms for Computation the Linearity and Degree of Vectorial Boolean Functions / Илия Буюклиев - Serdica Journal of Computing, Volume 10, Number 3-4, 2016, pp. 245-262.

• Буюклиева, Стефка и др. On some automorphisms of order 3 of the extremal binary codes / Radka Russeva, Emine Karatash - Fifteenth International Workshop ACCT, Albena, Bulgaria

• Буюклиева, Стефка и др. On the automorphisms of order 15 for a binary self-dual [96,48,20] code / Wolfgang Willems, Nikolay Yankov - Designs, Codes and Cryptography, April 2016, Volume 79, Issue 1, pp 171–182, DOI: 10.1007/s10623-015-0043-0, Impact Factor 0.781, Print ISSN 0925-1022

• Буюклиева, Стефка и др. S-boxes from binary quasi-cyclic codes / Dusan Bikov, Iliya Bouyukliev - Fifteenth International Workshop ACCT, Albena, Bulgaria, 18-24 June 2016

• Буюклиева, Стефка и др. What is GenSelfDual? / Илия Буюклиев, Мария Джумалиева-Стоева, Венелин Монев - Serdica Journal of Computing, Volume 10, Number 3-4, 2016, pp. 231-244.

• Буюклиева, Стефка и др. Девети математически турнир на ВТУ за ученици / Галя Накова, Иванка Минчева - сп. Математика, бр.3, 2016, стр. 37-41.

2015

• Буюклиева, Стефка и др. За двоичните оптимални самодуални [74,37,14] кодове / Радка Русева, Емине Караташ - Юбилейна научна конференция 25 години факултет “Математика и информатика”, 27-28.11.2015

2014

• Буюклиева, Стефка и др. S-boxes – parameters, characteristics and classifications / D. Bikov, A. Stojanova - Faculty of Computer Science, UGD-Stip Yearbook, Vol 1, No. 2, (2013), pp. 47-52, ISSN: 1857- 8691

• Буюклиева, Стефка и др. Some binary self-dual codes having an automorphism of order 15 / Nikolay Yankov - Proceedings of the International Workshop ACCT, Svetlogorsk, Russia

2013

• Буюклиева, Стефка и др. On the automorphism group of a binary self-dual [120,60,24] code / Javier de la Cruz, Wolfgang Willems - Applicable Algebra in Engineering, Communication and Computing, August 2013, Volume 24, Issue 3, pp 201–214, DOI: 10.1007/s00200-013-0193-0, Impact Factor 0.370

• Буюклиева, Стефка и др. On the binary quasi-cyclic codes / Iliya Bouyukliev - Proceedings of the International Workshop OCRT, Albena, Bulgaria

• Буюклиева, Стефка и др. Some extremal self-dual codes and unimodular lattices in dimension 40 / Iliya Bouyukliev, Masaaki Harada - Finite Fields and Their Applications, Volume 21, May 2013, Pages 67-83

2012

• Буюклиева, Стефка и др. An algorithm for classification of binary self-dual codes / Iliya Bouyukliev - IEEE Transactions on Information Theory, 2012, 58(6), pp. 3933 - 3940. Print ISSN 0018-9448. https://ieeexplore.ieee.org/document/6165661

• Буюклиева, Стефка. Applications of the Gaussian integers in coding theory - Prospects of Differential Geometry and its Related Fields, World Scientific

• Буюклиева, Стефка и др. Classification of binary self-dual [48,24,10] codes with an automorphism of odd prime order / N. Yankov, Jon-Lark Kim - Finite Fields and Their Applications, Volume 18, Issue 6, November 2012, Pages 1104-1113

• Буюклиева, Стефка и др. Connections between different types of binary self-dual codes / Wolfgang Willems - Proceedings of the International Workshop ACCT, Pomorie, Bulgaria

• Буюклиева, Стефка и др. Singly-even self-dual codes with minimal shadow / Wolfgang Willems - IEEE Transactions on Information Theory

2011

• Буюклиева, Стефка и др. On the classification of binary self-dual [44,22,8] codes with an automorphism of order 3 or 7 / Nikolay Yankov, Radka Russeva - International Journal of Information and Coding Theory (IJICOT)

• Буюклиева, Стефка и др. On the performance of binary extremal self-dual codes / Anton Malevich, Wolfgang Willems - Advances in Mathematics of Communications

• Буюклиева, Стефка и др. Some connections between self-dual codes, combinatorial designs and secret sharing schemes / Zlatko Varbanov - Advances in Mathematics of Communications

• Буюклиева, Стефка. Елементарна теория на числата с алгоритми - УниМат СМБ, ISBN 978-954-8880-37-4, 2011.

2010

• Буюклиева, Стефка и др. Automorphisms of extremal self-dual codes / Anton Malevich, Wolfgang Willems - IEEE Transactions on Information Theory

• Буюклиева, Стефка и др. Classification of the extremal formally self-dual even codes of length 30 / Iliya Bouyukliev - Advances in Mathematics of Communications

2009

• Буюклиева, Стефка и др. A class of singly even self-dual codes (with Z. Varbanov and K. Toncheva) / Златко Върбанов, Катина Тончева - Proceedings of the International Workshop OCRT, Varna, Bulgaria, pp. 38-43.

• Буюклиева, Стефка и др. On extremal codes with automorphisms / Anton Malevich, Wolfgang Willems - Proceedings of the International Workshop OCRT, Varna, Bulgaria, pp. 26-31.

• Буюклиева, Стефка. On the classification of binary self-dual [44,22,8] codes with an automorphism of order 3 (with R. Russeva, N. Yankov, N. Ziapkov and M. Nikolova) - Proceedings of the International Workshop OCRT, Varna, Bulgaria, pp. 32-37.

• Буюклиева, Стефка. Self-dual codes with some applications to cryptography - Enhancing Cryptographic Primitives with Techniques from Error Correcting Codes, Vol. 23, NATO Science for Peace and Security Series - D: Information and Communication Security, Edited by: B. Preneel,

2008

• Буюклиева, Стефка и др. Determination of weight enumerators of binary extremal self-dual [42,21,8] codes / Masaaki Harada, Akihiro Munemasa - Finite Fields and Their Applications, vol. 14, pp. 177-187

• Буюклиева, Стефка и др. Notes on automorphisms of extremal codes (with Wolfgang Willems) / Wolfgang Willems - Proceedings of the International Workshop ACCT'2008, Pamporovo, Bulgaria, pp.40-45

2007

• Буюклиева, Стефка и др. Binary projective [120,8;56,64] codes having an automorphism of order 3 and SDP designs / Iliya Bouyukliev, Stefan Dodunekov - Problems of Information Transmition, vol. 43, pp. 89-96

• Буюклиева, Стефка и др. Classification of the binary self-dual [42,21,8] codes having an automorphism of order 3 / Radka Russeva, Nikolay Yankov - Finite Fields and Their Applications, vol.13, pp. 605-615

• Буюклиева, Стефка и др. Restrictions on the weight enumerators of binary self-dual codes of length 4m (with Masaaki Harada and Akihiro Munemasa) / Masaaki Harada, Akihiro Munemasa - Proceedings of the International Workshop OCRT, White Lagoon, Bulgaria, pp. 40-44

• Буюклиева, Стефка. Some MDS codes over GF(64) connected with the binary doubly-even [72,36,16] code - Serdica Journal of Computing, vol. 1, pp. 185-192

• Буюклиева, Стефка. САМОДУАЛНИ КОДОВЕ И ГРУПИ ОТ АВТОМОРФИЗМИ - Великотърновски университет

2006

• Буюклиева, Стефка. Classification of optimal binary self-orthogonal codes (with Iliya Bouyukliev, T. Aaron Gulliver and Patric Östergård) - J. Combin. Math. & Combin. Comput., vol. 59, pp. 33-87

• Буюклиева, Стефка и др. New constructions of optimal self-dual binary codes of length 54 / Patric Ostergard - Designs, Codes and Cryptography, vol.41, pp. 101-109. Print ISSN 0925-1022

• Буюклиева, Стефка и др. The automorphism group of a binary self-dual doubly-even [72,36,16] code is solvable (with E.A. O’Brien and Wolfgang Willems) / Eamon O'Brian, Wolfgang Willems - IEEE Transactions on Information Theory

• Буюклиева, Стефка. Самодуални кодове над комутативни пръстени с 4 елемента - Научно-приложна конференция "Математика, информатика и компютърни науки", В.Търново

2005

• Буюклиева, Стефка. Binary projective [120,8;56,64] codes having an automorphism of order 3 and SDP designs (with I. Bouyukliev and S. Dodunekov) - Proceedings of the International Workshop OCRT, Pamporovo, Bulgaria, pp. 47-52

• Буюклиева, Стефка. Binary self-dual codes having an automorphism of order p2 (with R. Russeva and N. Yankov) - Mathematica Balkanica, vol. 19, pp. 25-32

• Буюклиева, Стефка и др. Classification results on binary optimal self-dual codes of length 42 / Radka Russeva, Nikolay Yankov - Proceedings of the International Workshop OCRT, Pamporovo, Bulgaria, pp. 286-291

• Буюклиева, Стефка. On the automorphism group of a binary self-dual doubly-even [72,36,16] code, part I - Proceedings of the International Workshop OCRT, Pamporovo, Bulgaria, pp. 42-46

• Буюклиева, Стефка и др. On the structure of binary self-dual codes having an automorphism a square of an odd prime (with R. Russeva and N. Yankov) / Radka Russeva, Nikolay Yankov - IEEE Trans. Inform. Theory, vol. 51, pp. 3678-3686. Print ISSN 0018-9448

• Буюклиева, Стефка и др. Quasi-symmetric 2-(37,9,8) designs and self-orthogonal codes with automorphisms of order 5 (with Z. Varbanov) / Златко Върбанов - Mathematica Balkanica, vol. 19, pp. 33-38

2004

• Буюклиева, Стефка и др. Binary self-dual codes having an automorphism of order 9 / Radka Russeva, Nikolay Yankov - Proceedings of the International Workshop ACCT'2004, Kranevo, Bulgaria, pp.73-79

• Буюклиева, Стефка. On the automorphism group of a doubly-even [72,36,16] code - IEEE Trans. Inform. Theory, vol. 50, pp.544-547. Print ISSN 0018-9448

• Буюклиева, Стефка. Some optimal self-orthogonal and self-dual codes - Discrete Mathematics, vol. 287, pp.1-10

2003

• Буюклиева, Стефка и др. Extremal self-dual [50,25,10] codes with automorphisms of order 3 and quasi-symmetric 2-(49,9,6) designs / Masaaki Harada - Designs, Codes and Cryptography, vol.28, pp.163-169. Print ISSN 0925-1022 https://link.springer.com/article/10.1023/A:1022588407585

2002

• Буюклиева, Стефка. Automorphism groups and self-dual codes - Proceedings of EWM Int. Workshop on Groups and Graphs, Varna, Bulgaria, pp.23-28

• Буюклиева, Стефка. Extremal self-dual [42,21,8] codes with automorphisms of order 3 with 12 cycles (with N. Yankov) - Proceedings of EWM Int. Workshop on Groups and Graphs, Varna, Bulgaria, pp.23-28

• Буюклиева, Стефка. On the automorphisms of order 2 with fixed points for the extremal self-dual codes of length 24m - Designs, Codes and Cryptography, vol.25, pp. 5-13. Print ISSN 0925-1022

• Буюклиева, Стефка и др. On Type IV self-dual codes over Z4 (with Masaaki Harada) / Masaaki Harada - Discrete Mathematics, vol.247, pp.25-50. Print ISSN 0012-365X https://www.sciencedirect.com/science/article/pii/S0012365X01001595

• Буюклиева, Стефка. Some optimal self-dual codes having automorphisms of order 5 - Proceedings IEEE International Symposium on Information Theory, 2002, Lausanne, Switzerland, Page: 458. Print ISBN: 0-7803-7501-7

• Буюклиева, Стефка. Some results on Type IV codes over Z4 - IEEE Trans. Inform. Theory, vol.48, pp. 768-773. Print ISSN: 0018-9448

• Буюклиева, Стефка и др. Съвременни криптографски системи със секретен ключ / Тихомир Трифонов - Сб. доклади на Националния военен университет «Технологии, сигурност, екология», Велико Търново, стр.688-697

2001

• Буюклиева, Стефка. An upper bound on the minimum Lee weight of Type IV codes over Z4 - Proceedings of the International Workshop OCRT, Sunny Beach, Bulgaria

• Буюклиева, Стефка. On the minimum weights of Type IV codes over Z4 with certain lengths - Proceedings of the International Workshop WCC'2001, Paris, pp.121-127

2000

• Буюклиева, Стефка. A method for constructing self-dual codes with an automorphism of order 2 - IEEE Trans. Inform. Theory, vol.46, pp.496-504, IF 2,083, Print ISSN 0018-9448

• Буюклиева, Стефка. Upper bounds on the minimum Hamming and minimum Euclidean weights of Type IV self-dual codes over Z_4 - Proceedings of the International Workshop ACCT'2000, Bansko, Bulgaria

1999

• Буюклиева, Стефка. Methods for constructing self-dual codes - Математика и математическо образование

• Буюклиева, Стефка. New binary extremal self-dual codes with lengths 50 and 52 - Serdica Math. J., vol.25, pp.185-190. ISSN 1310-6600

1998

• Буюклиева, Стефка. “A method for constructing self-dual codes with applications to lengths 42 and 44” - Proceedings of the International Workshop OCRT, Sozopol, Bulgaria

• Буюклиева, Стефка. “Binary self-dual codes with an automorphism of order 2” - Математика и математическо образование

• Буюклиева, Стефка и др. “Extremal self-dual codes with an automorphism of order 2”, (with I.Boukliev) / Iliya Boukliev - IEEE Trans. Inform. Theory, vol.44, pp. 323-328

• Буюклиева, Стефка. “New binary self-dual codes of length 58” - Proceedings of the International Workshop ACCT, Pskov, Russia

• Буюклиева, Стефка. “Some New Extremal Self-Dual Codes with Lengths 44, 50, 54 and 58”, (with I.Boukliev) - IEEE Trans. Inform. Theory, vol.44, pp.809-812

1997

• Буюклиева, Стефка. New extremal self-dual codes of lengths 42 and 44 - IEEE Trans. Inform. Theory, vol.43, pp.1607-1612, IF 1,354, Print ISSN 0018-9448

• Буюклиева, Стефка. On the automorphism group of the extremal singly-even self-dual codes of length 48 - Математика и математическо образование

• Буюклиева, Стефка. On the binary self-dual codes with an automorphism of order 2 - Designs, Codes and Cryptography, vol.12, pp. 39-48. Print ISSN 0925-1022

• Буюклиева, Стефка. Some New Extremal Self-Dual Codes with Length 58 - Proceedings of ISIT'97, Ulm, Germany, pp.116

1996

• Буюклиева, Стефка. A method for constructing self-dual codes with an automorphism of order 2 - Математика и математическо образование

• Буюклиева, Стефка. A method for constructing self-dual codes with application to length 64 - Proceedings of the International Workshop ACCT, Sozopol, Bulgaria, pp. 81-85

• Буюклиева, Стефка и др. Singly-even self-dual codes of length 40 / Vassil Yorgov - Designs, Codes and Cryptography, vol. 9, pp. 131-141. Print ISSN 0925-1022

1995

• Буюклиева, Стефка. Existence of certain extremal self-dual codes of lengths 42 and 44 - Proceedings of the International Workshop OCRT, Sozopol, Bulgaria, pp. 29-31

• Буюклиева, Стефка. Самодуални кодове с автоморфизъм от ред 7 - Математика и математическо образование

1994

• Буюклиева, Стефка и др. Singly-even self-dual codes of length 40 (with V.Yorgov) / Vassil Yorgov - Proceedings of the International Workshop ACCT, Novgorod, Russia, pp.60-61, 1994.