Publications

List of selected publications

• 1. "Determining the vertex orbits and automorphisms of graph by algorithm APIV with consecutive selection of vertices", Proceedings of the 19th Scientific Session on the occasion of Radio Day-May 7th, 1984, (in Bulgarian).

  2. "The algorithm ARBIP with reduction of number of consecutive selection of vertices for determination of the vertex orbits and automorphisms of graph", Proceedings of the 19th Scientific Session on the occasion of Radio Day-May 7th, 1984, (in Bulgarian).

  3. "Method and algorithm ASRBIV with highly reduced number of consecutive selections of vertices for determination of the vertex orbits and automorphisms of graph", Proceedings of the 19th Scientific Session on the occasion of Radio Day, May 7th, 1984, (in Bulgarian).

  4. "Backtracking method MPIVVN of consecutive selection of vertices - new method for determination of the vertex orbits of graph", Proceedings of Higher Institute of Mechanical and Electrical Engineering, vol. 40, book 6, 1985 (in Bulgarian).

  5. "Variants of the refinement procedure of graph vertices", Proceedings of Higher Institute of Mechanical and Electrical Engineering, vol. 40, book 6, 1985 (in Bulgarian)..

  6. "Characteristics of graph representation by adjacency levels", Proceedings of the Jubilee Scientific Session "40 years Higher Institute of Mechanical and Electrical Engineering", 1985 (in Bulgarian).

  7. "Algorithm and program VSEPAR for determination of the vertex orbits, generators and order of the graph automorphism group ", Proceedings of the 21th Scientific Session on the occasion of Radio Day-May 7th, 1986 (in Bulgarian).

  8. "Fast refinement procedure of graph vertices", Proceedings of the Jubilee Scientific Session on the occasion of 110th anniversary of April revolt in Bulgaria, Gabrovo, 1986 (in Bulgarian).

  9. "Use of the isomorphism of graphs for checking the topology of large integrated circuits in computer-aided design systems ", Journal "Electrical Industry and Instrument-Building", book 11, 1987, pp. 5-7 (in Bulgarian).

  10. "Algorithm and program IZOGRA for graph isomorphism ", Proceedings of the 22th Scientific Session on the occasion of Radio Day-May 7th, 1987(in Bulgarian).

  11. "The Nonisomorphism of the strongly Regular Graphs Derived from the Quasisymetric 2-(31, 7, 7) Designs, Journal "Compt. rend. Acad. Bulg. Sci.", 1987, pp. 33-35.

  12. "Rapida proceduro por enklasigo de grafnodoj", Journal "Grkg/Humankybernetic", band 28, heft 3, 1987, pp. 119-123.

  13. "The automorphism groups of the known 2-( 91, 6, 1) designs", Journal "Compt. rend. Acad. Bulg. Sci.", (with V. Tonchev), vol. 41, no. 4, 1988, pp. 15-16.

  14. “The automorphism group of a strongly regular graph with 220 vertices", Journal "Compt. rend. Acad. Bulg. Sci.", vol. 41, no. 9, 1988.

  15. “A New Algorithm for Layout verification of VLSI circuits”, Proceedings of ISME’91, Varna, Bulgaria, September 15-20, 1991,1 - 32-6.

  16. “A New Algorithm for Subgraph Problem”, Proceedings of Jubelee Conference on the Occasion of 50th Anniversary of Technical University of Sofia, Sofia, 1995.

  17. “A New Algorithm for Determining Maximal Isomorphic Intersection of Two Graphs“, Proceedings of Jubelee Conference on the Occasion of 50th Anniversary of Technical University of Sofia, Sofia, 1995

  18. Fast Adjacency Refinement Algorithm”, Proceedings of the International Conference on Digital Signal Processing, Limassol, Cyprus, June 26-28, 1995, Vol. 2, pp. 870-875;

  19. S. D. Stoichev and P. Borovska, Experimental Environment for Tasc Allocation in Parallel Computer Architectures”, Lecture Notes in Computer Science, vol. 919, 1995, pp. 935

  20. N. Hamilton, S. D. Stoichev and V. D. Tonchev, “Maximal Arcs and Disjoint Maximal Arcs in Projective Planes of Order 18”, Journal of Geometry, Vol. 67, 2000, pp. 117-126.

  21. S. D. Stoichev and V. D. Tonchev, Unital Designs in Planes of Order 16,Discrete Applied Mathematics, Vol. 102,2000,pp. 151-158.

  22. S. D. Stoichev, Algorithms for transforming generalized nets into graphs, Scientific proceedings, NTS, Sofia, 1998, 3 (July), pp. 90-94;

  23. Stoicho D. Stoichev, Zahari Zahariev, Finding Redundant Trees for Path Recovery in Connected Graphs, 16-th International Conference on Systems for Automation of Engineering and Research (SAER-2002), 2002, Varna.

  24. Stoicho D. Stoichev, Zahari Zahariev, A New Algorithm for Determining Maximum Common Subgraph, 17-th International Conference on Systems for Automation of Engineering and Research (SAER-2003), 2003, Varna..

  25.       Stoicho D. Stoichev,. Algorithms for Finding Unitals and Maximal Arcs in Projective Planes of Order 16,  Serdica Journal of Computing 1 (3), 279p-292p

  26.       Stoicho D. Stoichev,, Experimental Results of the Search for Unitals in Projective Planes of Order 25, arXiv preprint arXiv:1211.0596

1.       Stoicho D. Stoichev,, Vsep-New Heuristic and Exact Algorithms for Graph Automorphism Group Computation,eprint arXiv:1007.1726

2.    Stoichev S. D. Experimental Results of the Search for Unitals in Projective Planes of Order 25,

   1. http://sdstoichev1.wordpress.com/2012/02/16/experimental-results-of-the-search-for-unitals-

      1. in-projective-planes-of-order-25/

Textbooks and tutorial books

• 1. S. Stoichev, L. Dakovski, L. Balkandjiev, Tutorial book on electronic computers, Tehnika, Sofia, 1973.

  2. S. Stoichev, L. Dakovski, P. Martinov, Electronic computers, Tehnika, Sofia, 1974.

  3. S. Stoichev, D. Avreski, Testing and Diagnostics of digital computers, Tehnika, Sofia, 1979.

  4. S. Stoichev, A. Angelov, B. Filipov, Tutorial book on algorithmic and arithmetic foundations of digital computers, Tehnika, Sofia, 1980.

  5. S.Stoichev, L. Dakovski, D. Arnaudov, Foundations of Computer Engineering, Tehnika, Sofia, 1981.

  6. S. Stoichev, L. Dakovski, G. Gochev, Tutorial book on Foundations of Computer Engineering and Programming, Tehnika, Sofia, 1982.

  7. S. Stoichev and al., Collection of Solved problems in Computer Engineering and Programming, Tehnika, Sofia, 1982.

  8. S. Stoichev, N. Kasabov, Tutorial book on Theory and Practice of Computer Applications, Tehnika, Sofia, 1984.

  9. S. Stoichev, N. Kasabov, Programming with Pascal (tutorial book), Tehnika, Sofia, 1985.

  10. S. Stoichev, N. Kasabov, Electronic computing machines, Tehnika, Sofia, 1986.

  11. S. Stoichev, N. Kasabov, Tutorial book on Synthesis and Analysis of Algorithms and Programs, Tehnika, Sofia, 1988.

  12. S. Stoichev, N. Kasabov, Programming with Pascal, Tehnika, Sofia, 1989.

1.       S. D. Stoichev, Synthesis and Analysis of Algorithms (textbook, in Bulgarian), BPS, Sofia, 2003,2004,2005

• • 1. Stoicho D. Stoichev.  Polynomial time and space exact and heuristic algorithms for determining the generators, orbits and order of the graph automorphism group. Preprint, 2010,  arXiv:1007.1726v2 [cs.DS]