Scientific programme

9:00-10:00

Registration of the participants in the conference (Hotel Villa List, hall Apollonia)

10:00-11:00

Hall 1: OPENING (Hotel Villa List, hall Apollonia)

Hall 1: Keynote Speakers 

Chairperson: Desislava Ivanova

11:00-12:00

Len Bass, Why you should care about DevOps

12:00-13:00

Selvakumar Ramachandran, Harnessing Virtual Reality and the Metaverse for Inclusive and Accessible Tourism: Opportunities, Challenges, and Capacity Building for Stakeholders in Developing VR-Based Tourism Content

Hall 1: Quantum Technology and Innovation

Chairpersons: Desislava Ivanova, Andreas Weinmann

15:00-15:20

Boris Nenchovski, Desislava Ivanova, New Paradigm in Bioinformatics for Precision Medicine Using Quantum Technologies

15:20-15:40

Malinka Ivanova, Emanuil Ilchov, A Study on the Development of Quantum Cryptography and Some Challenging Issues

15:40-16:00

Vesela Krumova, Madlen Manolova, Quantum Tools for Early Cancer Detection

16:20-16:40

Desislava Ivanova, Conceptual Model of EUT+ Quantum Technology Institute  

16:40-17:00

Emanuil Donchev, Applying Quantum Principles to Programming Algorithms

17:00-17:20

Atanas Aleksandrov, Quantum Computing Unveils New Horizons in Bioinformatics

Hall 2:  Numerical Methods and Mathematical Modeling

Chairperson: Jiri Hozman

15:00-15:20

Andreas Weinmann, Martin Storath, Algorithms for Estimating Signals with Jumps and Application to Change Point Detection

15:20-15:40

Jiri Hozman, Tomas Tichy, Valuation of Two-Stage Contraction Options with the American Exercise Right: A Discontinuous Galerkin Approach

15:40-16:00

Petr Salač, Miroslav Brzezina, The Identification Problem for Coefficients of Heat-Transfer and Flux Density of Modified Mass of Body

16:20-16:40

Vladyslav Gapyak, Thomas März, Andreas Weinmann, Model-Based Reconstruction Techniques for Multi-Patch Data in Magnetic Particle Imaging

16:40-17:00

Miglena Koleva, Lubin Vulkov, Numerical Determination of Space-Dependent Reaction Coefficient in Space-Fractional Advection-Dispersion Equations

17:00-17:20

Juri Kandilarov, Lubin Vulkov, Identification of a Space Dependent Lower and Source Coefficients in an Ultraparabolic Equation

Hall 1:  Quantum Technology and Innovation

Chairpersons: Andreas Weinmann, Desislava Ivanova

10:00-10:20

Christoph Raab, Tools for Quantum Technology: Precision Diode Laser Sources

10:20-10:40

Matthias Will, Ultrafast Laser Applications for Fiber and Waveguide Communication

10:40-11:00

Alexander Geng, Hybrid Quantum Transfer Learning for Crack Image Classification on NISQ Hardware

11:20-11:40

Ivan Koprinkov, Toward a Reformulation of the Quantum Superposition Principle

11:40-12:00

Todor Arabadzhiev, Ivan Uzunov, Dissipative Solitons in the Presence of Nonlinear Gain and Higher-order Effects

12:00-12:20

Johannes Lill, Dirk Geyer, Simulation of Temperature-dependent Spontaneous Raman Scattering of O2

12:20-12:40

Mirko Tarulli, Elena Nikolova, George Venkov, Dynamics of the Solution to the Magnetic Radial Schrödinger-Hartree Equation in High Dimensions

Hall 2:  Statistics and Probability Theory

Chairperson: Krasimira Prodanova

10:00-10:20

Mariya Negreva, Krasimira Prodanova, Coagulation Parameters as Predictors of Paroxysmal Atrial Fibrillation Modelled by Logistic Regression

10:20-10:40

Pavlina Jordanova, Evelina Veleva, Mixed Poisson Process with Max-U-Exp Mixing Variable

10:40-11:00

Stefan Parvanov, Stanislava Stoilova, Probability Analysis of Accidents with Tailings

11:20-11:40

Marian Milev, Krastena Nikolova, Neli Keranova, Nadezhda Petkova, Galia Gentscheva, Anelia Gerasimova, Karolina Nikolova, Evaluation of Aqueous Extracts of Arthrospira Platensis by Variance and Factor Analysis

11:40-12:00

Boyan Markov, Angel Marchev, Testing the Unidimensionality of Risk Perception: An Empirical Study Using Cronbach's Alpha on Online Surveys

Hall 1: Software Sciences and Innovation for Interactive Presentation of Bulgarian Cultural and Historical Heritage

Chairperson: Anna-Maria Totomanova

15:00-15:20

Anna-Maria Totomanova, Мaria Baramova, Digital Humanities within SUMMIT project

15:20-15:40

Maria Totomanova, New Digital Tools in the Electronic Research Infrastructure for Bulgarian Medieval Written Heritage

15:40-16:00

Tsvetan Vasilev, Dimitar Iliev, The Writing on the Wall: Digitally Rediscovering Bulgaria’s Post-Byzantine Heritage

16:20-16:40

Raycho Minev, Demonstration of Interactive Presentation of Bulgarian Cultural and Historical Heritage – Part 1

17:00-17:20

Selvakumar Ramachandran, Demonstration of Interactive Presentation of Bulgarian Cultural and Historical Heritage – Part 2

Hall 2: Mathematical Analysis and Applications

Chairperson: Aleksey Nikolov

15:00-15:20

Alexander Radoslavov, Lubomir Dimitrov, Alexander Nikov, Partial Least Squares Regression Modelling in User Experience Design of Cheese Packages

15:20-15:40

Yordan Svezhenov, Lubomir Dimitrov, Alexander Nikov, Hybrid User Experience Design of Virtual Products Based on Swarm Intelligence Optimization

15:40-16:00

Kristina Pavlova, Stanislav Dimitrov, Development of an Application for Monitoring Financial Parameters of a Cow Farm

16:20-16:40

Desislava Yordanova, Boryana Bogdanova, Albena Pergelova, Gloria Hristova, Modelling the Process of Digital Transformation in SMEs via a Two-stage Analytical Framework

16:40-17:00

Stanislava Stoilova, Symmetrisation of Sequences in Base B

17:00-17:20

Laura Ajeti, Atanas Ilchev, A Variational Principle and Triple Fixed Points

Hall 1: Digitalization and Innovation in Pedagogy

Chairperson: Ivaylo Peev

10:00-10:20

Yoana Pavlova, Innovative Game-based Approaches for Humanities Education of Engineering Students

10:20-10:40

Elena Halova, Khristo Tarnev, Analysis of the Results from Online and Face-to-face Exams in Physics at TU-Sofia

10:40-11:00

Dejan Ljubojevic, Roumiana Peytcheva-Forsyth, Veronika Racheva, Stoyan Saev, Towards a Model of Teaching Literacies to Underpin Machine-Learning-based Adaptive Teaching Support

11:20-11:40

Nataliya Koleva, The Challenges Facing Higher Education in the Face of Artificial Intelligence

11:40-12:00

Nataliya Koleva, Borislav Nikolov, Main Risks Caused by the Application of Artificial Intelligence in Educational Institutions in Bulgaria

12:00-12:20

Neli Sirakova, Nikolaj Sirakov, The role of Mathematics in the Professional Training of Future IT Specialists

12:20-12:40

N. M. Sirakov, N. D. Sirakova, Motivating and Demotivating Factors in the Mathematics Education of Students in the Specialties "System Programmer" and "Programmer"

Hall 2: Fractional Calculus, Special Functions and Applications

Chairperson: Virginia Kiryakova

10:00-10:20

Virginia Kiryakova, Jordanka Paneva-Konovska, Multi-Index Le Roy Functions of Mittag-Leffler-Prabhakar Type

10:20-10:40

Ivan Dimovski, Yulian Tsankov, Resonance Cases for Nonlocal Wave Equation

10:40-11:00

Jordanka Paneva-Konovska, Prabhakar Function of Le Roy Type: A set of Results in the Complex Plane

Hall 2: Data Science

Chairperson: Angel Marchev

11:20-11:40

Stanimir Kabaivanov, Veneta Markovska, AI Supported Passenger Behavior Modelling with Real-time Inputs

11:40-12:00

Vasil Marchev, Alexander Efremov, Angel Marchev, Methodology for Cold-start Modeling Using Synthetic Data

12:00-12:20

Boyan Markov, Angel Marchev, Testing the Unidimensionality of Risk Perception: An Empirical Study Using Cronbach's Alpha on Online Surveys

12:40-13:00

Sergey Vichev, Angel Marchev, Reasoning Capabilities of LLM Models on Information Extracted from Databases Using Text-to-SQL

Hall 1: Digitalization and Innovation in Pedagogy

Chairperson: Ivaylo Peev

15:00-15:20

Milena Lazarova-Peeva, Asia Tsarova, Alexandar Alexandrov, Video Check - The Instant Replay System: a Special Eye for Volleyball Violations

15:20-15:40

Lucia Morales, Applying Circular Pedagogy for STEM and Economics

15:40-16:00

16:20-16:40

Iulia Stefan, Victoria Soule, Lia Pop: Empowering Learners: Papert's Constructionism and Computer-Aided Graphics Applications

16:40-17:00

Inna Mikhailova, Lucia Morales, Lia Pop, Bistra Vassilieva, Ivaylo Peev:  Digitalised Project-based Learning in Mathematics as an Example  of applied  Circular Pedagogy

17:00-17:20

Teodora Praja, Iulia Muresan , Nicolae Costea, Iulia Stefan, Lia Pop: Exploring Learning throw: in, between and beyond Disciplines.

17:20-17:40

Maria Christoforou, Paraskevi Vassiliou, Fotini Efthimiou, Exploring Learning Throw VR: in, between and beyond Disciplines

Hall 2: Deep Nature

Chairpersons: Desislava Ivanova and Ana Moita

15:00-15:20

Ana Moita, Clean (Micro) Conversion Energy Systems as a Road to Minimize Climate Change Impacts

15:20-15:40

Filipe Araujo, Hydrogen: Its Role to a Clean and Renewable Energy Transition

15:40-16:00

Desislava Ivanova, Deep Nature Approach based on  Innovative AI Methods for Investigating Environmental Pollution Problems Causing to Climate Change

16:20-16:40

Khristo Tarnev, CO2 Conversion in Atmospheric Pressure Gas Discharges

16:40-17:00

Ivan Neychev, Anna Rozeva, Methods for Feature Selection for Modelling Macroeconomic Variables: A Novel Approach

17:00-17:20

Silvia Baeva, Ivelina Hinova, Functions and Trends for Harmful Emissions from the Main Environmental Pollutants in the Republic of Bulgaria

Hall 1: Informatics and Software Sciences

Chairperson: Desislava Ivanova

10:00-10:20

Tamara Regina Dieter, Andreas Weinmann, Stefan Jäger, Eva Brucherseifer, Simulation-Based Training Strategies for DL-Based Drone Detection in Real-World Applications

10:20-10:40

Zlatko Zahariev, Voice to Voice Multi Lingual Machine Translation With Deep Learning

10:40-11:00

Plamenka Borovska, Desislava Ivanova, IomT Analytics In Support of Oncology

11:00-11:20

Plamenka Borovska, Desislava Ivanova, IoT Ecosystem Security Issues and Modern Big Data Analytics Solutions

11:40-12:00

Georgi Tsochev, Roumen Trifonov, Filip Krastev, Enhance Security Levels of Internet of Things through a Blockchain: A Review

12:00-12:20

Pamela Nikolova, Georgi Tsochev, Security Vulnerabilities of Smart Home: A Case Study of the Smart Plug

12:20-12:40

Plamen Spahiev, Desislava Ivanova, Accuracy Investigation of Machine Learning Algorithms for Tabular Data Processing with Potential Application in the Cyber Security

12:40-13:00

Svetlin Stefanov, Malinka Ivanova, Methodology for Digital Forensic Investigation DFIP: A Contemporary Glace from Practical Point of View

Hall 2: Mathematical Modeling and Experiment in Physics

Chairperson: Khristo Tarnev

10:00-10:20

Radostina Tasheva, Ivan Stefanov, Mass and Angular Momentum Assessment of the Neutron Star XTEJ 1807-294 Using X-ray Triplets

10:20-10:40

Magdalena Christova, Milan Dimitrijević, Sylvie Sahal-Bréchot, Astrophysical Application of Stark Broadening of Ionized Gallium Spectral Lines

10:40-11:00

Rumen Kobilarov, Method for Rapid Localization of the Risk Area in a Radiological Terrorist Act

11:20-11:40

Vladimir Todorov, General Relatively, String Theory and Hooke’s Low

11:40-12:00

Iliana Marinova, Valentin Mateev, Modeling of Magnetic Particle Kinetics in Outer Magnetic Field

12:00-12:20

Maria Vasileva, Study of Structural Evolution of Si Monocrystal after Induced Defects and Hydrogen Implantation

12:20-12:40

Maria Zaneva, Ivan Stefanov, Mathematical Formalism of Second Quantization

Hall 1: Informatics and Software Sciences

Chairperson: Veska Georgieva

15:00-15:20

Roumiana Ilieva, Dimitar Ginchev, Roumiana Yordanova, Nikola Gaydarov, ML for Weather Forecasting to Improve Safety in Air Transport

15:20-15:40

Roumiana Ilieva, Dimitar Ginchev, Nikola Gaydarov, Data Mining in Pilot Virtual Simulator with RapidMiner Studio

15:40-16:00

Veska Georgieva, Plamen Petrov, Lorina Karaminova, Blood Cells Identification in Microscopic Images Based on Hybrid Approach

16:20-16:40

Aleksandar Svinarov, Silvia Baeva, Web Application for Selecting Locations for Renewable Energy Plants

16:40-17:00

Valentin Mateev, Iliana Marinova, Machine Learning Approach for Nano-magnetic Particle Classification

17:00-17:20

Dimitar Chalamov, Simeon Tsvetanov, Ivaylo Andonov, Boris Zografov, Anastasios Papapostolu, Developing of Low-Energy IoT Devices with MESH Connectivity and PV Energy Harvesting

17:20-17:40

Simeon Tsvetanov, Stela Dimitrova, Ivan Koychev, Combining Traditional and Deep Learning Based Methods for Image Recognition

Hall 2:  Numerical Methods and Mathematical Modeling

Chairperson: Aleksey Nikolov

15:00-15:20

Khristo Tarnev, Rositsa Andreeva, The Influence of Superspreaders in the Spread of a Viral Epidemic 

15:20-15:40

Ivan Altaparmakov, Dimo Stoilov, A Model for Scheduling and Storage Capacity Estimation for an Autonomous Domestic PV Prosumer

15:40-16:00

Yonko Stoynov, 2D Wave Scattering in Magneto-electro-elastic Half-plane

16:20-16:40

Yavor Sofronov, Konstantin Kamberov, Konstantin Kanev, FEA Geometry Optimization for High Torque Pushbelt CVT

16:40-17:00

Todor Todorov, Konstantin Kamberov, Krasimira Bineva, Validation of Virtual Prototyping through Test Measurements on Physical Prototype

17:00-17:20

Konstantin Kamberov, Georgi Todorov, Tsvetozar Ivanov, Numerical Analysis of an Impact System for Non-invasive Medical Aesthetics Tool

                            20:00 OFFICIAL DINNER

Hall 1: Numerical Methods and Mathematical Modeling

Chairperson: Boryana Bogdanova

11:00-11:20

Boryana Bogdanova, Eleonora Stancheva-Todorova, Stability of Stock Prices through the Lens of Companies ESG Performance

11:40-12:00

Boryana Bogdanova, Gloria Hristova, An Integrated Framework for Data Engineering, Knowledge Extraction, and Analytics of SME's Data

12:00-12:20

Gloria Hristova, Boryana Bogdanova, Derivation and Integration of Stock Market Sentiment Index into ML-Based AI Systems in Support of Investment Decision Making

12:20-12:40

Gyurhan Nedzhibov, A Variant of Second Order Dynamic Mode Decomposition

Hall 2:  Algebra, Geometry, Operations Research

Chairperson: Miroslav Stoenchev

10:40-11:00

Sava Grozdev, Veselin Nenkov, Bogdan Gilev, Stanislav Stefanov, Krasimir Kanchev, Haim Haimov, Formulas for Distances Between Some Notable Points in a Quadrilateral

11:00-11:20

Sava Grozdev, Veselin Nenkov, Bogdan Gilev, Stanislav Stefanov, Rayna Alashka, Haim Haimov, Identities and Inequalities in a Quadrilateral

11:40-12:00

Miroslav Stoenchev, Perfect Cuboids

12:00-12:20

Krasimira Stoilova, Todor Stoilov, Optimization Model for Traffic Management with Stochastic Requirements

12:20-12:40

Todor Soilov, Krasimira Stoilova, Inventory Production Management with Probabilistic Requirements

Hall 1: PhD Session: Applied Mathematics, Big Data and Artificial Intelligence

Chairperson: Elizaveta Logosha

15:00-15:20

Elizaveta Logosha, Myriam Maumy, Frederic Bertrand, Sensitivity Analysis of Stochastic Simulator in the Case of Sales Date Prediction

15:20-15:40

Venelin Todorov, Slavi Georgiev, Ivan Dimov, New Digital and Lattice Monte Carlo Methods in Multidimensional Air Pollution Modeling

15:40-16:00

Radka Kalcheva,  Veselina Spasova, Applying AI in "Pencho Slaveykov" Public Library-Varna e-services

16:20-16:40

Veselina Spasova, Iliyana Kavardzhikova, Milen Sotirov, Implementation of Generative Artificial Intelligence in Content Marketing

17:00-17:20

Mariyan Milev, Kostadin Yotov, Nikolay Nettov, Quasy Monte Carlo for Option pricing

17:20-17:40

Nikolay Netov, Kostandin Dukov, Mariyan Milev, Efficient Quantum Monte Carlo Method with For Pricing Options by NIG

17:40-18:00

Mihaela Angelova, Well-being Inequalities of People Aged 50 and Over in Europe during the Global Pandemic of Covid-19 Based on Cluster Analyses

15:00-15:20

Nedyu Popivanov, Laura Bekesheva, On the Solvability of a Second-Order Singular ODE Initial Value Problem

15:20-15:40

Stefan Ivanov, Ivan Minchev, Dimiter Vassilev, Solutions to the qc-Yamabe Equation on the Quaternionic Sphere and 3-Sasakian Spaces

15:40-16:00

Tatiana Kravetc, Conversion between CAD Models and Generalized Expo-rational B-spline Surfaces

16:20-16:40

Kamen Perev, System Gramians for the Rectangular Membrane

17:00-17:20

Hristo Kiskinov, Andrey Zahariev, On Hyers-Ulam-Rassias Stability for Linear Fractional Systems with Riemann-Liouville Type Derivatives and Distributed Delays

17:20-17:40

Tsvetan Hristov, Differential and Time-Discrete SEIRS Models with Vaccination: Long-Term Behavior of the COVID-19 Epidemic in Bulgaria

17:40-18:00

Todor Popov, Nedyu Popivanov, Ingo Witt, Solutions with Exponential Singularity to Protter Problems for the Wave Equation

18:00-18:20

Ekaterina Madamlieva, Mirko Tarulli, George Venkov, On Hyers-Ulam and Hyers-Ulam-Rassias Stability of Fractional Systems with Distributed Delays