Ognyan I. Zhelezov was born in Novi Pazar, Bulgaria, in 1952. He received the B.S. and M.S. degrees in Radio Engineering from the Technical University of Varna (TU-Varna), Bulgaria, in 1977 and the PhD degree in Nikola Vaptsarov Naval Academy of Varna, Bulgaria, in 1990. Since 1988 to 1999, he has been an Assistant Professor and since 2000 to 2011 Associate Professor with the Computer Science Department, TU-Varna, Bulgaria. Now retired, he works as apart-time lecturer in Nikola Vaptsarov Naval Academy, Varna, Bulgaria. His research interests include Applied Mathematics, Image Processing and Reversible Calculations.
Publications in English:
Ognyan Ivanov Zhelezov, N-dimensional Rotation Matrix Generation Algorithm, American Journal of Computational and Applied Mathematics, Vol. 7 No. 2, 2017, pp. 51-57. doi: 10.5923/j.ajcam.20170702.04.
Ognyan Ivanov Zhelezov, One Modification which Increases Performance of N-Dimensional Rotation Matrix Generation Algorithm, International journal of Chemistry, Mathematics and Physics (IJCMP), [Vol-2, Issue-2, Mar-Apr, 2018], ISSN: 2456-866X
Ognyan Ivanov Zhelezov, A Special Case of Symmetric Matrices and Their Applications, American Journal of Computational and Applied Mathematics, Vol. 9 No. 4, 2019, pp. 110-118. doi: 10.5923/j.ajcam.20190904.03.
Ognyan Ivanov Zhelezov , Valentina Markova Petrova, Application of the Transpositions matrix for obtaining n-dimensional rotation matrices, International journal of Chemistry, Mathematics and Physics (IJCMP), [Vol-6, Issue-5, Sept-Oct, 2022], ISSN: 2456-866X
Ognyan Ivanov Zhelezov, https://en.wikipedia.org/wiki/Transpositions_matrix - article in Wikipedia
Ognyan Ivanov Zhelezov , Valentina Markova Petrova, An Algorithm for Random Tessellation Using a Steppe Fire Model
Link to download SFTessellation program, which creates random mosaic by using the SFTesselation algorithm.Download SFTessellation
Link to my profile on ResearchGate: Ognyan Zhelezov on ResearchGate
Link to tutorials in bulgarian: http://zhelezov.atwebpages.com/inf.htm