List of Publications

1. A. Abiad, A. Khramova, A. Ravagnani. Eigenvalue Bounds for Sum-Rank-Metric Codes. Preprint (accepted in IEEE Transactions of Information Theory)

arxiv: arXiv:2307.13613

2. A. Abiad, F. Belardo, A. Khramova. A switching method for constructing cospectral gain graphs. Preprint

arxiv: arXiv:2304.03555

3. A. Abiad, A. Khramova. Constructing cospectral hypergraphs. Preprint

arxiv: arXiv:2211.06087

4. A. Abiad, B. Brimkov, S. Hayat, A. Khramova, J. Koolen. Extending a conjecture of Graham and Lovász on the distance characteristic polynomial (2023). Linear Algebra and its Applications.

DOI: 10.1016/j.laa.2023.03.027

5. A. Khramova, N. Maslova, V. Panshin, A. Staroletov. Characterization of groups E6(3) and 2E6(3) by Gruenberg-Kegel graph (2021). Siberian Electronic Mathematical Reports, 18(2), 1651-1656.

DOI: 10.33048/semi.2021.18.124

6. A. Khramova, I. Chernykh. New algorithm for the two-machine open shop and the polynomial solvability of one routing problem (2021). Journal of Scheduling, 24(4), 405-412.

DOI: 10.1007/s10951-021-00694-7

7. A. Buturlakin, A. Khramova. A criterion for the existence of a solvable π-Hall subgroup in a finite group (2019). Communications in Algebra, 48:3, 1305-1313.

Conferences and Workshops

1. Criterion of Existence of a Solvable Hall Subgroup (Russian). Mathematics: Proceedings of 56th International Scientific Student Conference, April 22-27th 2018, Novosibirsk: NSU, 2018. PDF (RU) Slides

2. A Criterion for the Existence of a Solvable Hall Subgroup in a Finite Group. 8th PhD Summer School in Discrete Mathematics, Rogla, Slovenia, July 1-7, 2018. PDF Slides

3. A criterion of existence of a solvable Hall subgroup of a finite group. The International Workshop “Algorithmic problems in group theory and related areas”, Altai Republic, Russia, July 23 – August 4, 2018. PDF Slides

4. On the Existence of Solvable Hall Subgroups (Russian). International Conference Maltsev Meeting, November 19-22, 2018: Abstracts, Novosibirsk. PDF (RU) Slides

5. On the Existence of Solvable Hall Subgroups (Russian). International (50th National) Youth School-Conference “Modern problems in mathematics and its applications”, February 3-9, 2019: Abstracts, Yekaterinburg. PDF (RU) Slides

6. On the Existence of Solvable Hall Subgroups (Russian). Mathematics: Proceedings of 57th International Scientific Student Conference, April 14-19th 2019, Novosibirsk: NSU, 2019. PDF (RU)

7. Another algorithm for the two-machine open shop and its application to one routing problem. XVIII International Conference Mathematical Optimization Theory and Operations Research (MOTOR 2019), Ekaterinburg, Russia, July 8–12, 2019. PDF Slides

8. On polynomially solvable subcases of open shop routing problem (Russian). International (51st National) Youth School-Conference “Modern problems in mathematics and its applications”, February 3-7, 2020: Abstracts, Yekaterinburg. Slides

9. Generalization of an Algorithm for Open Shop Problem in Solving Several Subcases of the Routing Problem (Russian). International Scientific Conference “Tanaev Readings 2020”, Minsk, Belarus, March 29-30, 2021. PDF (RU) Slides

10. On a Polynomial Solvability of the Routing Open Shop with a Variable Depot. Book of extended abstracts, the 17th International Conference on Project Management and Scheduling 2020/21, Toulouse, France. PDF Slides

11. The Second Great Mathematical Workshop of the Mathematical Center in Akademgorodok, Project ``Gruenberg-Kegel Graphs of Finite Groups’’, July 12-17 and August 16-21, 2021.

12. Extending a conjecture of Graham and Lovász on the distance characteristic polynomial. 2nd Dutch-Belgian Combinatorics Colloquim, Brussels, Belgium, 25 May 2022. PDF Slides

13. Extending a conjecture of Graham and Lovász on the distance characteristic polynomial. 10th PhD Summer School in Discrete Mathematics, Rogla, Slovenia, June 26 - July 2, 2022. Slides

14. Extending a conjecture of Graham and Lovász on the distance characteristic polynomial. Discrete Mathematics Days 2022, Santander, Spain, July 4-6, 2022. DOI: https://doi.org/10.22429/Euc2022.016 PDF Slides

15. Constructing cospectral hypergraphs. Algebraic Graph Theory International Webinar (online). Recording Slides

16. Constructing cospectral hypergraphs (contributed talk). Dutch Days of Combinatorics, Utrecht, the Netherlands, March 6-7, 2023. PDF Slides

17. Constructing cospectral hypergraphs (mini-symposium talk). New faces of spectral graph theory mini-symposium at 25th conference of ILAS, Madrid, Spain, June 12-16, 2023. PDF Slides Website

18. Constructing cospectral hypergraphs (student talk). 11th PhD Summer School in Discrete Mathematics, Koper, Slovenia, June 26 - July 1, 2023. PDF Slides

19. Sum-rank-metric graphs and eigenvalue bounds for network coding (contributed talk). Rijeka Conference on Combinatorial Objects and their Applications (RICCOTA), Rijeka, Croatia, July 3-7, 2023. PDF

20. Cospectrality in hypergraphs and gain graphs. 5th edition of Dutch-Belgian Seminar in discrete mathematics, Eindhoven, the Netherlands, October 6, 2023. Website

21. Eigenvalue bounds for sum-rank-metric codes. Coding Theory and Cryptography Meetup, Caserta, Italy, October 31, 2023. Website

22. Cospectrality in hypergraphs and gain graphs. DIAMANT Symposium Autumn 2023, Eindhoven, the Netherlands, November 23-24, 2023. Website