Fourth workshop on Soliton Theory, Nonlinear Dynamics and Machine Learning

24 Aug 2026, 09:00 → 29 Aug 2026, 15:30 Europe/Sofia

Welcome to the website of the Fourth Workshop on Soliton Theory, Nonlinear Dynamics and Machine Learning !

The workshop will take place from 24th to 29th of August, 2026 at the Black Sea Coast in the town of Tsarevo, Bulgaria. The event can be attended either on-site or online via the Internet. Follow the link of this video presentation to get a glipse of Tsarevo and its natural surroundings.

Please consider the First Announcement and the Second Announcement for more information.

The online participation is accessible via Zoom at https://nbu-bg.zoom.us/j/85716039350 .

 

Below you can find the book of the abstracts of the talks.

Organized by:

• Trakia University, Stara Zagora
• Institute for Advanced Physical Studies

Scientific committee:

• Vladimir Gerdjikov
• Radu Constantinescu
• Stoytcho Yazadjiev
• Aurelian Isar
• Rossen Ivanov
• Stoyan Mishev
• Yassen Gorbounov

Local organizing committee:

• Stoyan Mishev
• Radoslav Ginin

Previous editions of the workshop:

 

 

book-of-abstract-heading-page.png

book-of-abstract-heading-page.png

book-of-abstracts-tsarevo-2026.pdf

poster-tsarevo-august-2026.png

tsarevo-2025.png

Monday, 24 August

1 ARRIVAL

Tuesday, 25 August

2 OPENING

3 Higher-dimensional integrable systems. Algebraic aspects and reductions.

Speaker: Aleksander Stefanov

10:45 Coffee break

4 MNLS and Generalized Fourier Transforms for Constant Boundary Conditions

Speaker: Vladimir Gerdjikov

5 Classification on line solitons of KP type integrable systems

Speaker: Li Chuanzhong

12:30 LUNCH

6 Characterization of Riemannian and Lorentzian Manifolds via the Jacobi Operator

Speaker: Veselin Videv

7 Solitons and Spirals: Connections in Nonlinear Dynamics and Biology

Speaker: Nikola Pirovski

15:40 Coffee break

8 General discussion

Wednesday, 26 August

9 Design and Permanent Magnets Reduction of Linear Oscillatory Machine for Reciprocating Drives

Speaker: Matúš Horník

10 Unsupervised Vibration Fault Detection Using Hilbert-Huang Transformation-Based Feature Extraction and Mahalanobis Analysis

Speaker: Atanas Kolev

10:40 Coffee break

11 Universal Multi-Phase Inverter Platform for Advanced Motor Control

Speaker: Tomáš Podušel

11:40 LUNCH

12 Forward-Collision and Lane-Departure Warning on Edge AI Accelerators: A Cross-Device Evaluation of Raspberry Pi 5 and Jetson Orin Nano Super.

Speaker: Lyuben Temelakiev

13 Beyond Pass Completion: Automated Detection of Line-Breaking Passes in Association Football Using Limb Tracking Data and Their 3D Perceptual Reconstruction and Visualization

Speaker: Vladislav Manolov

14 Axion contribution to the mass-radius relation of neutron stars

Speaker: Momchil Naydenov

15:30 Coffee break

15 General discussion

20:00 OFFICIAL DINNER

Thursday, 27 August

16 Negative and rational flows of the integrable hierarchies

Speaker: Rossen Ivanov

17 Derivation of the Nonlinear Schrodinger Equation in the Intermediate Long Wave Regime

Speaker: Lyudmila Ivanova

10:40 Coffee break

18 Necessary and sufficient conditions for an equation to accept a given type of solutions

Speaker: Alina Pauna

19 Scalable Approximation of Laplacian Eigenmodes for Spectral Routing in Service-Provider Networks

Speaker: Hristo Vekov

12:10 LUNCH

20 On the derivative nonlinear Schr"odinger equation related to symmetric spaces

Speaker: Georgi Grahovski

21 SOME NEW RESULTS INVOLVING INEQUALITIES OF GRONWALL−BELLMAN TYPE

Speaker: Lubomir Markov

22 Soliton and Periodic Wave Solutions of the Modified Korteweg–de Vries Equation

Speaker: Rossitza S. Marinova

23 Extreme Events in Soliton Turbulence in Nonintegrable Systems

Speaker: Marcelo Flamarion

24 Time Reparametrization Invariance and the Hubble Tension

Speaker: Vesselin Gueorguiev

16:50 Coffee break

25 General discussion

Friday, 28 August

26 GENERATION OF QUANTUM CORRELATIONS IN GAUSSIAN OPEN QUANTUM SYSTEMS

Speaker: Aurelian Isar

10:10 Coffee break

27 Gaussian entanglement and steering of strongly coupled bosonic modes in a common phase-sensitive environment

Speaker: Tatiana Mihaescu

28 Cooperative Effects in Two Dipole–Dipole Coupled Emitters Driven by a Moderately Strong Laser Field

Speaker: Alexander Cudreasov

11:50 LUNCH

29 Data-Driven Multi-Objective Optimization for Smart Urban Distribution Networks

Speaker: Mirkomil Melikuziev

30 Methodology for the Migration and Acceleration of an Open-Source Semiconductor Bloch Equation Solver Using Multi-Core CPU and GPU/CUDA Computing

Speaker: Georgi Petrov

31 Transient and Steady-State Dynamic Modeling of Synchronous Machine: TSFEM and the Winding Function Method

Speaker: Aldin Kajević

16:00 Coffee break

32 General discussion

Saturday, 29 August

33 Machine Learning on Symmetric Spaces. Basics.

Speaker: Stoyan Mishev

34 Machine Learning on Symmetric Spaces. Structure of a Neural Network.

Speaker: Yoana Foteva

10:40 Coffee break

35 Training Bulgarian Language Embeddings from Scratch through Self-Supervised Learning and Contrastive Learning

Speaker: Nikola Blajev

36 Comparative Study of Static Heterogeneous Graph Neural Networks and XGBoost for Credit Card Fraud Detection

Speaker: Krassimir Djounakov

12:00 CLOSING