Archive

Visitors, research output, surveys and student work of the Department of Mathematics at New Uzbekistan University.

Visitors

Researchers who have visited the department, and the talks they gave while here.

Yunhe Sheng

Jilin University, China

Visited 16 October 2026

Photograph of Bakhadyr Khoussainov

Bakhadyr M. Khoussainov

University of Electronic Science and Technology of China; The University of Auckland, New Zealand

Talk: On finitely presented expansions of groups and algebras. Open lecture, UCA 2nd Floor Events Hall.

Visited 15 October 2026

Research Papers

Journal articles and preprints by members of the Department of Mathematics. Titles link to the publisher or to arXiv.

2026

  1. Modeling reflection spectra of super-Eddington X-ray sources Swarnim Shashank, Askar B. Abdikamalov, Honghui Liu, F. J. E. Baker, A. J. Young Astrophysical Journal
  2. Testing general relativity with NuSTAR data of galactic black holes. II Ashutosh Tripathi, Swarnim Shashank, Gitika Mall, Askar B. Abdikamalov Publications of the Astronomical Society of Japan
  3. A criterion for the algebraic density property of smooth affine SL2-varieties Rafael B. Andrist, J. Draisma, G. Freudenburg, G. Huang, F. Kutzschebauch Advances in Mathematics 503
  4. Direct products for the Hamiltonian density property Rafael B. Andrist, G. Huang Journal of Geometric Analysis 36
  5. On complete generators of certain Lie algebras on Danielewski surfaces Rafael B. Andrist International Journal of Mathematics 37
  6. On the connectedness of the boundary of q-complete domains Rafael B. Andrist Annales Polonici Mathematici
  7. Convergence properties of a φ-Laplacian under natural constraints Waldo Arriagada Portugaliae Mathematica
  8. Tilting objects in graded singularity categories of certain toric Gorenstein singularities Xiaojun Chen, L. Liu, J. Zeng Journal of Noncommutative Geometry
  9. A comparative analysis of computer-aided and traditional teaching in primary mathematics: evidence from Uzbekistan Alisher Ikramov, S. Usmanbekov International Journal of Information and Education Technology
  10. Machine learning risk stratification for major adverse cardiovascular events after acute myocardial infarction in patients receiving early empagliflozin therapy R. Trigulova, Alisher Ikramov, D. Akhmedova, S. Akhmedova, S. Mukhtarova Artificial Intelligence in Health
  11. Gradient measures on Cayley trees associated with two periodic homogeneous and inhomogeneous boundary laws for the SOS model Risolat A. Ilyasova Mathematical Physics, Analysis and Geometry 29
  12. One-point restricted conformal blocks and the fusion tensor product Jianqi Liu Mathematische Zeitschrift
  13. Twisted restricted conformal blocks of vertex operator algebras II: twisted restricted conformal blocks on totally ramified orbicurves Xu Gao, Jianqi Liu, Yiyi Zhu International Mathematics Research Notices 2026
  14. From midterm to final: using Rasch analysis to measure growth and fairness in university calculus assessments S. Kadyrov, R. Callingham, A. Makhmutova, Gonçalo Pinto Eurasia Journal of Mathematics, Science and Technology Education
  15. C⁰-stability of topological entropy for Reeb flows in dimension 3 Marcelo R. R. Alves, L. Dahinden, M. Meiwes, Abror Pirnapasov Journal of the European Mathematical Society
  16. The asymptotic mean action and the asymptotic linking number for pseudo-rotations D. Bechara Senior, P. Le Calvez, Abror Pirnapasov Mathematische Zeitschrift
  17. Integration à la Harish-Chandra for bi-graded Lie algebras A. Kotov, V. Salnikov, Olga Salnikova Chekeres SIGMA 22
  18. Supergeometry and dissipative quantum fields for engineers Olga Salnikova Chekeres, V. Salnikov Mathematics and Mechanics of Solids
  19. Invariants of pairs of anti-commuting matrices under simultaneous conjugation Rustam Turdibaev Trends in Mathematics, Springer Nature Switzerland, 53–61
  20. Optimal primary invariants of the invariant anti-commuting variety Rustam Turdibaev Bulletin of the Institute of Mathematics 9(1), 147

Preprints

  1. Infinite transitivity and polynomial vector fields Rafael B. Andrist, I. Arzhantsev arXiv:2605.20480
  2. Reinhardt domains determined by their endomorphisms Rafael B. Andrist, W. Zwonek arXiv:2604.19364
  3. The bracket width for Lie algebras of vector fields is finite Rafael B. Andrist, A. Regeta arXiv:2608.24849
  4. Coincidence criteria and junction obstructions for two partially segregated elliptic systems Farid Bozorgnia arXiv:2601.05682
  5. Inverse Robin spectral problem for the p-Laplace operator Farid Bozorgnia, Olimjon Eshkobilov arXiv:2603.07613
  6. Numerical algorithms for partially segregated elliptic systems Farid Bozorgnia, A. Arakelyan, V. Kungurtsev, J. Valdman arXiv:2603.05991
  7. Optimal control in Hilbert complex spaces with finite element exterior calculus Farid Bozorgnia, M. Holst, A. Kumar, V. Kungurtsev, M. Licht, G. Tsogtgerel arXiv:2608.25266
  8. Rate of convergence of the p-torsion function to the distance function Farid Bozorgnia, M. Bayrami-Aminlouee, Khudoyor Mamayusupov arXiv:2609.06534
  9. Algebraic K-theory, cohomotopy K-groups, and Koszul duality Xiaojun Chen, Farkhod Eshmatov, Maozhou Huang arXiv:2605.05128
  10. A nowhere-zero point for several linear mappings simultaneously Amir Jafari arXiv:2608.23647
  11. Higher Schwarzians Amir Jafari arXiv:2603.07802
  12. On union-closed families with prescribed number of k-sets Amir Jafari arXiv:2609.11358
  13. The list edge-colouring conjecture for new infinite families Amir Jafari arXiv:2608.22895
  14. On strong identities of almost-canonically seminormed rings X. Gao, Jianqi Liu arXiv:2606.05965
  15. Vector bundles of coinvariants for admissible affine vertex operator algebras V. Alekseev, Jianqi Liu arXiv:2609.09154
  16. Effective intrinsic ergodicity for renewal-type potentials on S-gap shifts F. Haydarov, S. Kadyrov, M. Makhmudov, Khudoyor Mamayusupov arXiv:2606.17031
  17. Limit-cycle replication via Chebyshev pullbacks and a quadratic ceiling for separable schemes Olimjon Eshkobilov, S. Kadyrov, Khudoyor Mamayusupov arXiv:2604.12883
  18. Schur multipliers with unequal operator and completely bounded norms on S_p, 1<p≠2<∞ J. Huang, F. Sukochev, Anna Tomskova arXiv:2608.20933

2025

  1. About the accuracy of the relxill/relxill_nk models in view of the next generation of X-ray missions H. Liu, Askar B. Abdikamalov, T. Mirzaev, C. Bambi, T. Dauser, J. A. García, Z. Zhang Monthly Notices of the Royal Astronomical Society
  2. Measuring black hole spins with X-ray reflection spectroscopy: a GRMHD outlook Swarnim Shashank, Askar B. Abdikamalov, Honghui Liu, et al. Physical Review D
  3. Testing regular black holes with X-ray data of GX 339-4 S. Riaz, M. Kyriazis, Askar B. Abdikamalov, C. Bambi, S. Shashank Journal of Cosmology and Astroparticle Physics
  4. Local fractal functions on Orlicz–Sobolev spaces Waldo Arriagada Studia Universitatis Babeş-Bolyai Mathematica
  5. The Read–Bajraktarević functional on Hardy–Orlicz spaces Waldo Arriagada Fixed Point Theory and Algorithms for Sciences and Engineering
  6. Improved graph-based semi-supervised learning schemes Farid Bozorgnia Computational and Applied Mathematics 45
  7. Holomorphic Koszul–Brylinski homologies of Poisson blow-ups Xiaojun Chen, Y. Chen, S. Yang, X. Yang Acta Mathematica Sinica, English Series
  8. Quantization of the minimal nilpotent orbits and the quantum Hikita conjecture Xiaojun Chen, W. He, S. Yu Representation Theory 29
  9. Singularity categories and singular loci of certain abelian quotient singularities Xiaojun Chen, Jieheng Zeng Journal of the London Mathematical Society
  10. Noncommutative Poisson structure and invariants of matrices Farkhod Eshmatov, Xabier García-Martínez, Rustam Turdibaev Advances in Mathematics
  11. On the coordinate rings of Calogero–Moser spaces and the invariant commuting variety of a pair of matrices Farkhod Eshmatov, Xabier García-Martínez, Zafar Normatov, Rustam Turdibaev Results in Mathematics
  12. A jamming game for fleets of mobile vehicles Walton P. Coutinho, Jörg Fliege Optimization and Engineering
  13. Autonomous navigation of unmanned aerial vehicles (UAVs) for border patrolling: a stochastic framework Busra Biskin, Jörg Fliege, Antonio Martinez-Sykora IMA Journal of Management Mathematics
  14. Nash equilibria in transmitter-jamming games for fleets of UAVs Walton Coutinho, Jörg Fliege Proceeding Series of the Brazilian Society of Computational and Applied Mathematics
  15. Routing a fleet of unmanned aerial vehicles: a trajectory optimisation-based framework Walton P. Coutinho, Jörg Fliege, Maria Battarra, Anand Subramanian Transportation Research Part B: Methodological
  16. Optimizing liveness for blockchain-based sealed-bid auctions in rational settings Maozhou Huang, Xiangyu Su, Mario Larangeira, Keisuke Tanaka International Conference on Financial Cryptography and Data Security, Springer
  17. On retrieval of secret key parameters from symmetric block cipher O’zDST 1105:2009 using modified SQUARE cryptanalysis Alisher Ikramov Journal of Discrete Mathematical Sciences and Cryptography
  18. Predicting risk of future hospitalizations in patients with type 2 diabetes mellitus and cardiovascular diseases using machine learning Alisher Ikramov, S. Mukhtarova, R. Trigulova, D. Alimova, D. Akhmedova Lecture Notes in Networks and Systems
  19. Pinned gradient measures of SOS model associated with HA-boundary laws on Cayley trees F. H. Haydarov, Risolat Ilyasova, Khudoyor Mamayusupov Nanosystems: Physics, Chemistry, Mathematics
  20. N5 as a subalgebra of a principally ordered naturally ordered regular semigroup with a zero element Gonçalo A. Pinto Sultan Qaboos University Journal for Science 30
  21. Calogero–Moser spaces and the invariants of two matrices of degree 3 Zafar Normatov, Rustam Turdibaev Transformation Groups
  22. On the coordinate ring of the invariant anti-commuting variety Rustam Turdibaev Linear and Multilinear Algebra

Preprints

  1. Enhancement of quantum semi-supervised learning via improved Laplacian and Poisson methods H. Gholipour, Farid Bozorgnia, H. Mohammadigheymasi, K. Hambarde, J. Mancilla, H. Proença, J. Neves, M. Challenger arXiv:2508.02054
  2. Fractional heat kernel for semi-supervised graph learning with small training sample size Farid Bozorgnia, V. Kungurtsev, S. Kadyrov, M. Yousefnezhad arXiv:2510.04440
  3. Gamma convergence of partially segregated elliptic systems Farid Bozorgnia, A. Arakelyan arXiv:2510.03794
  4. Deformation and quantization of the Loday–Quillen–Tsygan isomorphism for Calabi–Yau categories Xiaojun Chen, Farkhod Eshmatov, Maozhou Huang arXiv:2505.09378
  5. Boundary estimates for the Monge–Ampère equation in polygons with Guillemin boundary conditions M. Bayrami-Aminlouee, Reza Seyyedali, M. Talebi arXiv:2506.22187
  6. Fuglede theorem for symmetric spaces of τ-measurable operators D. Potapov, F. Sukochev, Anna Tomskova, D. Zanin arXiv:2512.14006
  7. Gauge theory on T*CP²: explicit Sp(2)-instantons, HYM connections, and Spin(7)-instantons Emily Windes arXiv:2508.17119

Surveys

Survey articles and expository writing by members of the department and by our students.

No surveys recorded yet.

Student Work

Bachelor’s, master’s and PhD theses written in the department, together with student research papers and project reports.

No student work recorded yet.