Nikolay Yankov's Publications

2018

  1. N. Yankov, M. Ivanova, M.-H. Lee, Self-dual codes with an automorphism of order 7 and s-extremal codes of length 68, Finite Fields and Their Applications, v. 51, 2018, pp. 17–30, DOI: 10.1016/j.ffa.2017.12.001
  2. N. Yankov, R. Ruseva, E. Karatash, Optimal self-dual codes of length 74 with an automorphism of Order 9 and new self-dual [74, 37, 12] codes, Mathematics and Education in Mathematics, vol. 47, pp. 121-126, 2018, ISSN 1313-3330

2017

  1. K. M. Cho, Md. Abdul Latif Sarker, N. Yankov, Moon Ho Lee, A Note on the Singular Value Decomposition of Inverse-Orthogonal Circulant Jacket Matrices, Journal of Engineering Technology, vol. 6(3), 2017, pp. 392-404, ISSN: 0747-9964, http://www.joetsite.com/wp-content/uploads/2017/11/Vol.-63-35-17.pdf
  2. Nikolay Yankov, Damyan Anev, Muberra Gurel, Self-Dual Codes with an Automorphism of Order 13, Advances in Mathematics of Communications, vol. 11, no. 3, 2017, pp. 635-645, DOI: 10.3934/amc.2017047

2016

  1. Stefka Bouyuklieva, Wolfgang Willems, Nikolay Yankov, On the automorphisms of order 15 for a binary self-dual [96, 48, 20] code, Designs, Codes and Cryptography, vol. 79 (1), pp. 171-182, DOI: 10.1007/s10623-015-0043-0
  2. Müberra Gürel, Nikolay Yankov, Self-dual codes with an automorphism of order 17, Mathematical Communications, ISSN 1331-0623, vol. 21, No. 1, 2016, pp. 97-107, https://www.mathos.hr/mc/index.php/mc/article/download/1528/351
  3. Nikolay Yankov, A connection between three [44, 22, 8] self-dual codes, Mathieu groups M22, M23, and self-orthogonal designs, Mathematics and Education in Mathematics, vol. 45, 2016, pp. 162-167, http://www.math.bas.bg/smb/2016_PK/tom_2016/pdf/162-167.pdf
  4. Radka Russeva, Nikolay Yankov, Emine Karatash, On the Automorphisms of the optimal self-dual code Of Length 74, Proceedings of MATHTECH 2016, book 1, Shumen University, ISSN 1314-3921, p. 36-42, http://info.fmi.shu-bg.net/skin/pfiles/mattex-vol-1-2016-36-42.pdf
  5. Nikolay Yankov, Milena Ivanova, Binary s-extremal self-dual codes of length 68 do exist, Proceedings of the Fifteenth International Workshop on Algebraic and Combinatorial Coding Theory (ACCT2016), Albena, Bulgaria, pp. 301-306, URL
  6. Milena Ivanova, Nikolay Yankov, M. Ivanova, N. Yankov, Extending results for some binary self-dual codes of lengths 62 and 64, Proceedings of University of Ruse, vol. 55, book 6.1: Mathematics, Informatics and Physics, 2016, ISSN 1311-3321, pp. 280-285 (Best paper crystal prize) http://conf.uni-ruse.bg/bg/docs/cp16/bestPapers/bp-2016-36.pdf

2015

  1. Nikolay Yankov, Moon Ho Lee, Classification of self-dual codes of length 50 with an automorphism of odd prime order, Designs, Codes and Cryptography, vol. 74(3), 2015, pp. 571-579, DOI: 10.1007/s10623-013-9874-8
  2. Nikolay Yankov, Moon Ho Lee, Müberra Gürel, Milena Ivanova, Self-dual codes with an automorphism of order 11, IEEE Transactions on Information Theory, vol. 61(3), 2015, pp. 1188 - 1193, DOI: 10.1109/TIT.2015.2396915
  3. Nikolay Yankov and Milena Ivanova, Classification of binary self-dual [68, 34, 12] codes with an automorphism of order 11, Mathematics and Education in Mathematics, vol. 44, 2015, pp. 186-191, www.math.bas.bg/smb/2015_PK/tom_2015/pdf/186-191.pdf
  4. Nikolay Yankov and Radka Russeva, Further results on the classification of binary self-dual [52, 26, 10] codes with an automorphism of odd prime order, Proceedings of University of Ruse, vol. 54, book 6.1: Mathematics, Informatics and Physics, 2015, ISSN 1311-3321, pp. 33-37, http://conf.uni-ruse.bg/bg/docs/cp15/6.1/6.1-5.pdf

2014

  1. Nikolay Yankov, Self-dual [62, 31, 12] and [64, 32, 12] codes with an automorphism of order 7, Advances in Mathematics of Communications, Vol. 8, No. 1, pp. 73-81, 2014, DOI: 10.3934/amc.2014.8.73
  2. N. Yankov, M. Nikolova, M. H. Lee, Note on the binary self-dual codes with an automorphism of order 11, Proceedings of the XXI International Workshop on Multimedia Signal Processing and Transmission,  pp. 105-109, Youngil Publishing, Korea, ISSN 1975-5635, February 2014
  3. Nikolay Yankov, Moon Ho Lee, New binary self-dual codes of lengths 50–60, Designs, Codes and Cryptography, Designs, Codes and Cryptography, vol. 73 (3), pp. 983-996, 2014, DOI: 10.1007/s10623-013-9839-y
  4. Stefka Bouyuklieva, Nikolay Yankov, Some self-dual codes having an automorphism of order 15, Proceedings of Fourteen International Workshop on Algebraic and Combinatorial Coding Theory (ACCT), (2014), Svetlogorsk, Russia, pp. 103-108
  5. Nikolay Yankov, Some new self-dual [96, 48, 16] codes with an automorphism of order 15, Annual of Konstantin Preslavsky University of Shumen, vol. XVI C, pp. 99-108, 2014.
  6. Nikolay Yankov, On the classification of [66, 33, 12] binary self-dual codes with an automorphism of order 11 with 6 cycles // Proceedings of University of Ruse, vol. 53, book 6.1: Mathematics, Informatics and Physics, 2014, ISSN 1311-3321, pp. 17-21

2013

  1. Nikolay Yankov - New optimal [52, 26, 10] self-dual codes, Designs, Designs, Codes and Cryptography, vol. 69 (2), pp. 151-159, 2013, DOI: 10.1007/s10623-012-9639-9
  2. Nikolay Yankov, Moon Ho Lee, New [54, 27, 10] binary self-dual codes obtained via extending technique, Proceedings of the XIX-th International Workshop on Multimedia Signal Processing and Transmission (MSPT), pp. 1 - 6, Youngil Publishing, Korea, ISSN 1975-5635, February 2013
  3. Nikolay Yankov, Radka Russeva, Self-dual codes of length 62 with an automorphism of order 31, Proceedings of MATHTECH 2012, Shumen University, 2013, ISSN 1314-3921, p. 53-58.
  4. Nikolay Yankov, On the binary self-dual [96, 48, 20] codes with an automorphism of order 9, Proceedings of the Seventh International Workshop on Optimal Codes and Related Topics, OC2013, September 6-12, Albena, Bulgaria, 2013, pp. 193-198, ISSN 1313-1117

2012

  1. Nikolay Yankov - A putative doubly even [72, 36, 16] code does not have an automorphism of order 9, IEEE Transactions on Information Theory, vol. 58, issue 1, 2012, pp. 159-16,DOI: 10.1109/TIT.2011.2165829 
  2. Stefka Bouyuklieva, Nikolay Yankov, Jon-Lark Kim - Classification of Binary Self-Dual [48, 24, 10] Codes with an Automorphism of Odd Prime Order, Finite Fields and Their Applications, vol. 18, issue 6, 2012, pp. 1104-111, DOI: 10.1016/j.ffa.2012.08.002
  3. Nikolay Yankov - Determination of the weight enumerator for optimal binary self-dual code of length 52, Proceedings of Thirteen International Workshop on Algebraic and Combinatorial Coding Theory (ACCT), (2012), Pomorie, Bulgaria, pp. 341-346.

2011

  1. Nikolay Yankov, Radka Russeva - Binary self-dual codes of lengths 52 to 60 with an automorphism of order 7 or 13, IEEE Transactions on Information Theory, vol. 57, issue 11, 2011, pp. 7498-7506, DOI: 10.1109/TIT.2011.2155619
  2. Stefka Bouyuklieva, Nikolay Yankov, Radka Russeva - On the classification of binary self-dual [44, 22, 8] codes with an automorphism of order 3 or 7, International Journal of Information and Coding Theory, vol. 2, no.1, pp. 21-37, 2011, DOI: 10.1504/IJICOT.2011.044676
  3. Nikolay Yankov - On binary self-dual codes of length 62 with an automorphism of order 7, Mathematics and Education in Mathematics, vol. 40, Proceedings of the Fortieth Spring Conference of the Union of Bulgarian Mathematicians, Borovec, Bulgaria (2011), pp. 223-228
  4. Nikolay Yankov - New self-dual [54, 27, 10] codes extended from [52, 26, 10] codes, Conference 40 Years Shumen University (1971-2011), 2011, ISBN 978-954-577-603-8, pp. 36-41.
  5. Nikolay Yankov - Classification of Extremal binary [64, 32, 12] self-dual codes with an automorphism of type 7-(8, 8), Conference 40 Years Shumen University (1971-2011), 2011, ISBN 978-954-577-603-8, pp. 42-47.
  6. Nikolay Yankov - On the binary self-dual [50, 25, 10] codes, Annual Workshop Coding Theory and Applications, Gabrovo, Bulgaria, 2011

2010

  1. Nikolay Yankov, Radka Russeva, On the self-dual codes of lengths 52 to 60 having an automorphism of order 7 or 13, MATHTECH 2010, v.1, ISSN 13143921, pp. 63-70
  2. Nikolay Yankov, Constructing self-dual codes using automorphisms, MATHTECH 2010, v.1, ISSN 13143921, pp. 55-62
  3. Nikolay Yankov, Near MDS codes over GF(64) related to doubly-even self-dual [72, 36, 16] code over GF(2), MATHTECH 2010, v.1, ISSN 13143921, pp. 71-76
  4. Nikolay Yankov, New self-dual codes of length 52, Proceedings of the Annual Workshop Coding Theory and Applications, Veliko Tarnovo, Bulgaria, 2010, pp. 33-36

2009

  1. Stefka Bouyuklieva, Radka Russeva, Nikolay Yankov, Nikola Ziapkov, Milena Nikolova, On the classification of binary self-dual [44,22,8] codes with an automorphism of order, Proceedings of Sixth International Workshop on Optimal Codes and Related Topics (OCRT), Varna, Bulgaria (2009), pp. 32-37

2008

  1. Nikolay Yankov, Radka Russeva, Classification of the Binary Self-Dual [44, 21, 8] Codes with Automorphisms of Order 7, Mathematics and Education in Mathematics, vol. 37, Proceedings of the Thirty Seventh Spring Conference of the Union of Bulgarian Mathematicians, Borovec, Bulgaria (2008), pp. 239-244

2007

  1. Stefka Bouyuklieva, Nikolay Yankov, Radka Russeva, Classification of the Binary Self-Dual [42,21,8] Codes having an Automorphism of Order 3, Finite Fields and Their Applications 13 (2007), pp. 605-615, DOI: 10.1016/j.ffa.2006.01.001
  2. Nikolay Yankov, Radka Russeva, On Binary Self-Dual Codes of Lengths 60, 62, 64 and 66 having an Automorphism of Order 9, Designs, Codes and Cryptography 45(2007), pp. 335-346, DOI: 10.1007/s10623-007-9127-9
  3. Nikolay Yankov, Extremal self-dual [44,22,8] codes with automorphism of order 3 with 14 cycles, Proceedings of the Fifth International Workshop on Optimal Codes and Related Topics (OCRT), White Lagoon, Bulgaria (2007), pp. 249-254

2005

  1. Stefka Bouyuklieva, Radka Russeva, Nikolay Yankov, On the Structure of Binary Self-Dual Codes Having an Automorphism of Order a Square of an Odd Prime, IEEE Trans. Inf. Theory, Vol. 51(2005), №10, pp. 3678-3686, DOI: 10.1109/TIT.2005.855616
  2. Stefka Bouyuklieva, Radka Russeva, Nikolay Yankov, Binary Self-Dual Codes Having an Automorphism of order p2, Mathematika Balkanica, New Series, vol. 19 (2005), pp. 25-31
  3. Nikolay Yankov, Radka Ruseva, Stefka Bouyuklieva, Classification results on binary optimal self-dual codes of length 42, Proceedings of Fourth International Workshop on Optimal Codes and Related Topics (OCRT) (2005), Pamporovo, Bulgaria, pp. 286-291

2004

  1. Nikolay Yankov, Binary Self-dual Codes Having an Automorphism of Order 29, Proceedings of Ninth International Workshop on Algebraic and Combinatorial Coding Theory (ACCT), (2004), Kranevo, Bulgaria, pp. 395-399
  2. Stefka Bouyuklieva, Radka Russeva, Nikolay Yankov, Binary Self-Dual Codes Having an Automorphism of order 9, Proceedings of Ninth International Workshop on Algebraic and Combinatorial Coding Theory (ACCT), (2004), Kranevo, Bulgaria, pp. 73-79.

2003

  1. Stefka Bouyuklieva, Nikolay Yankov, Extremal Self-Dual [42,21,8] Codes with Automorphisms of Order 3 with 12 cycles, Proceedings of The European Woman in Mathematics International Workshop on Groups And Graphs (2003), St. Elenas, Bulgaria, pp. 29-33

1996

  1. Vassil Yorgov, Nikolay Yankov, On the extremal binary Codes of Length 36 and 38 with automorphism of order 5, Proceedings of Fifth Internatinal Workshop on Algebraic and Combinatorial Coding Theory (ACCT) (1996), Sozopol, Bulgaria, pp. 307-312
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