Scientific programme
The scientific program will be available on 2^{nd} June, 2022.
SCIENTIFIC PROGRAM OF THE 48th INTERNATIONAL CONFERENCE
APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS
SOZOPOL, JUNE 713, 2022
June 8, 2022 (Wednesday)
9:0010:00 
Registration of the participants in the conference 
10:0010:30 
Hall 1: OPENING 

Hall 1: Bioinformatics 

Chairperson: Desislava Ivanova 
11:0011:20 
Plamenka Borovska, Desislava Ivanova, Intelligent R&E Big OMICS Data and In Silico Knowledge Hub “Nova Paradigma” 
11:2011:40 
Veska Georgieva, Velimira Gardeva, Adaptive algorithm for CT images enhancement to improve the diagnosis of lung diseases 
11:4012:00 
Ivan Koprinkov, On the Mysterious Nature of Quantum Phenomena 

Hall 2: Fractional Calculus, Special Functions and Applications 

Chairperson: Virginia Kiryakova 
11:0011:20 
Virginia Kiryakova, On the special functions of fractional calculus and their fractional multiorder integrals 
11:2011:40 
Shaher Momani, Iqbal Batiha, A Mathematical Study on a Fractionalorder COVID19 Model 
11:4012:00 
Ivan Bazhlekov, Emilia Bazhlekova, Fractional derivative modeling of a bioreaction process 
Coffee Break
12:2012:40 
Jordanka PanevaKonovska, On some estimates and asymptotic formulae in the class of multiindex MittagLeffler functions 
12:4013:00 
Fedotov E.D, The Cauchy Problem for Some Systems of Equations in Partial Derivatives with the Caputo and RiemannLiouville Derivative in Time 
Lunch Break

Hall 1: Bioinformatics 

Chairperson: Desislava Ivanova 
15:0015:20 
Boris Nenchovski, Desislava Ivanova, Big Data Bioinformatics Discoveries: Machine Learning approaches, tools and perspectives 
15:2015:40 
Ventsislav Kolev, Maria Marinova, Emilia Pardo, Optimal Global Sequence Alignments of SarsCoV2 Nucleotide Sequences using the NeedlemanWunsch Algorithm and Program Parallelization 
15:4016:00 
Zdravko Atanasov, Maria Marinova, Vasil Tsanov, RDIMSA: Random DeleteInsert parallelized algorithm for MSA implemented on CUDA 
Coffee Break
16:2016:40 
Boryana Ilieva, Krasimira Prodanova, Vassil Sveshtarov, Prediction of Bisphosphonateassociated Osteonecrosis of the Jaws in Bulgarian Patients using Logistic Regression 
16:4017:00 
Stela Dimitrova, Simeon Tsvetanov, Teodor Boyadzhiev, Kiril Kirilov, A Modern Toolset for Multiple Sequence Alignment Based on Different Metaheuristic Methods 
17:0017:20 
Desislava Ivanova, J. Staeva, A. Shinkov, R. Kovacheva, Intelligent EUTIRADS Classificator for Early Detection of Thyroid Anomalies using Deep learning Convolutional Neural Network 

Hall 2: Informatics and Software Sciences 

Chairperson: Malinka Ivanova 
15:0015:20 
Mariana Durcheva, Malinka Ivanova, ZeroKnowledge Protocol in Information Systems 
15:2015:40 
Plamen Spahiev, Desislava Ivanova, Overview and Study of the Modern Cyber Security Threats 
15:4016:00 
Dimitar Karastoyanov, Rosen Petrov, Milena Haralampieva, Innovative Technologies for Efficient Power Supply at Home and in Animal Husbandry Using Solar Systems and PhaseChange Materials 
16:0016:20 
Dimitar Karastoyanov, Krasimir Terziev, Use of Satellites for Observation of Plantations and Pastures in Agriculture 
Coffee Break
16:4017:00 
Victor Glavev, Integration of Document Management System with EGovernment Payment System 
17:0017:20 
Dimitar Chalamov, Boris Zografov, Simeon Tsvetanov, Innovative Methods for Improving the Security in IOT Ecosystems 
17:2017:40 
Silvia Baeva, Nikola Nikolov, Creating a Website for Optimal Distribution of Investments of a HighTech Company 
17:4018:00 
Roumiana Ilieva, Kiril Anguelov, Violeta Goleshevska, Nikola Gaydarov, Software Packages for Structural Equation Modeling 

18.30 Welcome Drinks 
June 9, 2022 (Thursday)

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

Chairperson: AnnaMaria Totomanova 
10:0010:20 
AnnaMaria Totomanova, Bulgarian Cultural Heritage in Digital Era 
10:2010:40 
Dimitar Iliev, Elina Boeva, From Stone to Screen: The Telamon Database of Ancient Inscriptions in Greek from Bulgaria 
10:4011:00 
Grigor Boykov, Hristo Hristozov, Data Extraction and Spatial Analysis of Arithmetic Population Densities, based on the Ottoman 18thcentury Registers of Guarantors 
11:0011:20 
Desislava Ivanova, Daniel Mitev, Strategies for Organizing and Optimizing Different Types of Content for Interactive Accessible Web Portals 
Coffee Break
11:4012:00 
Alexander Petkov, An Integrated Webbased System with Geolocation for Objects of the Cultural and Historic Heritage 
12:0012:20 
Alexander Petkov, Iliya Karkamov, Performance Optimization of a Web Map Service Implementation in a Geographic Information System Using Ondisk Cached Images 
12:2012:40 
Yoana Sirakova, Dimitar Iliev, A Bilingual Corpus of Latin Authors in Bulgarian Translation 
12:4013:00 
Maria TotomanovaPaneva, Histdict System: Digital Tools for Presenting and Processing Bulgarian Medieval Texts 
13:0013:30 
Raycho Minev, Angel Batchvarov, Demonstration of Software Innovations for Interactive Presentation of Bulgarian Cultural and Historical Heritage 

Hall 2: Application in Predicting and Optimizing City Transport 

Chairperson: Angel Marchev 
10:0010:20 
Angel Marchev, SARIMAX with Fourier Terms for Predicting Travel Times for Ondemand Public Transport in Sofia 
10:2010:40 
Krasimira Stoilova,Todor Stoilov, Urban Traffic Management 
10:4011:00 
Kaloyan Haralampiev, Application of Bayesian Fourier Model for Predicting Travel Times for Ondemand Public Transport in Sofia 
11:0011:20 
Boyan Lomev, Application of ARIMA and VAR Models for Predicting Travel Times for Ondemand Public Transport in Sofia 
Coffee Break
11:4012:00 
Kamen Spassov, Optimization of ondemand public transportation 
12:0012:20 
Boyan Lomev, Angel Marchev, Application of Neural Networks for Predicting Travel Times for Ondemand Public Transport in Sofia 
12:2012:40 
Veneta Markovska, Stanimir Kabaivanov, Intelligent Algorithm to Calculate Economic Impact of Active Trasnportation Options 
12:4013:00 
Veneta Markovska, Stanimir Kabaivanov, Optimized City Traffic Analysis with Video Stream Inputs 
Lunch Break

Hall 1: Data Science 

Chairperson: Desislava Ivanova & Myriam Maumy 
15:0015:20 
Mina Daskalova, The Impact of Big Data on Management Control from Bulgarian Business Perspective 
15:2015:40 
Gergana Taneva, Stanimir Kabaivanov, Is SOFIX immune? COVID19 impact on Bulgarian Stock Exchange 
15:4016:00 
Teodor Ukov, Georgi Tsochev, Application of Genetic Algorithms in a Multiplayer Video Game for Personal Qualities Training 
16:2016:40 
Keshav Nath, Aman Ahuja, Twarit Shah, Aakanksha Gupta, Rahul Katarya, Socialympics  Sentiment Analysis of Tweets about the Tokyo Olympics 2021 using Machine Learning and Deep Learning Approaches 
Coffee Break
17:0017:20 
Simeon Tsvetanov, Teodor Boyadzhiev, Stela Dimitrova, Software Architecture and Methodology for Intensive Data Science Experiments 
17:2017:40 
Malinka Ivanova, Anna Rozeva, Stefan Stoyanov, Ensemble Machine Learning Algorithms for Analysis of Noise Characteristics in Electronic Circuits 
17:4018:00 
Elizaveta Logosha, Myriam Maumy, Frederic Bertrand, Deriving Confidence Intervals for Selling a Fraction of a Stock Using Discrete Event Simulation Techniques 

Hall 2: ELearning 

Chairperson: Daniela Bimova 
15:0015:20 
Vanya Ivanova, Hristina Kulina, Investigation of correlations between students’ knowledge of English and its practical application by using language tests and the machine learning approach 
15:2015:40 
Daniela Bímová, Jiří Břehovský, Not only virtual models of helicoidal surfaces 
15:4016:00 
Fabien Kunis, Maya Gaydarova, Improving collaborative problemsolving competency through information systems in physics education 
Coffee Break
16:2016:40 
Neli Sirakova, Nikolaj Sirakov, Diagnosis and assessment of the motivation and mathematical competence of students majoring in systems programming 
16:4017:00 
Nikolay Hinov, Dimitar Vakovsky, Bogdan Gilev, Matlabbased automated design of resonant DCAC converter 
June 10, 2022 (Friday)

Hall 1: Data Science 

Chairperson: Desislava Ivanova & Myriam Maumy 
10:0010:20 
Tamara Dieter, Andreas Weinmann, Eva Brucherseifer, Synthetic Data for Drone Detection 


10:2010:40 
Zhenli Lu, Roumiana Ilieva, Malinka Ivanova, Machine Learning for Performance Measurement of RobotAssisted Cerebral Palsy Rehabilitation Training System 


10:4011:00 
Alexander Rusev, Maksim Sharabov, Georgi Tsochev, Roumen Trifonov, Artificial intelligence methods suitable for Lateral Movement detection 



11:0011:20 
Vladimir D. Tonchev, Coding Theory, Finite Geometry, and Combinatorial Designs 



Coffee Break
11:4012:00 
Stoyan Popov, Simona Kancheva, Applying game theory to decision making in risky investments 
12:0012:20 
Stoyan Popov, Svetoslav Karamukov, Modelbased optimization of planned consumption of household electricity purchased from the free market 
12:2012:40 
Stoyan Popov, Borislav Krumov, Optimal electronic devices selection using theory of cooperative games 

Hall 2: Mathematical Analysis and Applications 

Chairperson: Teodora Zapryanova 
10:0010:20 
Teodora Zapryanova, On the Iterates of discretized versions of CaoGonska operators 


10:2010:40 
Vladimir Todorov, Some applications of analytic vector functions 



10:4011:00 
Miroslav Stoenchev, Classical Symmetric Diophantine Systems 



11:0011:20 
Todor Stoilov, Krasimira Stoilova, Credit Management by Inventory Modeling 


Coffee Break
11:4012:00 
George Popov, Antoaneta Popova, Milena Popova, Analytical Model of the Displacement of the Delta variant of Covid19 by Omicron 
12:0012:20 
Vesselin Nenkov, Asen Velchev, Formulas for the distances from the intersection points of the perpendicular bisectors of the opposite sides and the intersection of the perpendicular bisectors of the diagonals to the vertices of the quadrilateral, to its Brocard points and to its point of Mikel 
12:2012:40 
Vesselin Nenkov, Asen Velchev, Configuration of pedal circles with respect to an arbitrary point in the plane of a polygon /Continuation/ 
12:4013:00 
Vesselin Nenkov, Asen Velchev, Two mappings of four points in the plane of a given triangle and the generated transformations of landmarks by them 
Lunch Break

Hall 2: Data Science 

Chairperson: Desislava Ivanova & Myriam Maumy 
15:0015:20 
Angel Ninov, Simona Keskinova, Reinforcement learning approach for mate selection in animal breeding 
15:2015:40 
Zlatko Zahariev, Fuzzy Relational Equations and Inequalities  MinLukasiewicz implication 
15:4016:00 
Zlatko Zahariev, Software for solving Fuzzy Relational Equations in various algebras 
Coffee Break
16:2016:40 
Nikolay Hinov, Mirjana Kocaleva, Zoran Zlatev, Design consideration of Boost DCDC converter through machine learning 
16:4017:00 
Vladimir Yordanov, Unemployment and Income Inequality Effects on Adults' Mental Health based on the COVID19 Crisis 
17:0017:20 
Zlatina Tzenova, Analysis of the Financial Condition of a Company 

Hall 2: Numerical Methods 

Chairperson: Jiri Hozman 
15:0015:20 
Jiri Hozman, Tomas Tichy, DG Method for Valuation of TwoStage Expansion Options 
15:2015:40 
Thomas März, Vladyslav Gapyak, Andreas Weinmann, A twostage ModelBased Regularized Reconstruction Approach for Magnetic Particle Imaging 
15:4016:00 
Petr Salač, Numerical results for the cooling silver core optimization problem 
16:0016:20 
Meglena Lazarova, Svetoslav Markov, Neli Sirakova, Growth Functions of Logistic Type 
Coffee Break
16:4017:00 
Khristo Tarnev, Rositsa Andreeva, Twodimensional Monte Carlo model of a virus spread 
17:0017:20 
Silvia Baeva, Ivelina Hinova, Energy Load Profiles for Energy Analysis and Combined Energy Sources 
17:2017:40 
Lyudmila Ivanova, Silvia Baeva, Fatima Sapundzhi, Meglena Lazarova, An Analysis of Seasonal Fluctuations and Forecasting of Some Production Capacities Generated by PV Power Station 
17:4018:00 
Aleksandar Svinarov, Silvia Baeva, Mathematical Model and Mobile Application to Support DecisionMaking in Conditions of Uncertainty when Investing in Terrains for Construction of Renewable Energy Sources 
20:00 Official Dinner
June 11, 2022 (Saturday)

Hall 2: Differential Equations 

Chairperson: Nedyu Popivanov 
13:0013:20 
Nedyu Popivanov, Evgeny Moiseev, Yani Boshev, Nonexistence results for some nonlinear mixed type equations in two dimensions 
13:2013:40 
Ekaterina Madamlieva, An integral representation of the solutions of fractional system with distributed delay 
13:4014:00 
Tsvetan Hristov, Nedyu Popivanov, Rudolf Scherer, Singular solutions of 3D prottermorawetz problem for weaklyhyperbolic equations of tricomi type 
Coffee Break
14:2014:40 
Todor Popov, Analysis of singularities of solutions to Protter problems for the wave equation 
14:4015:00 
Mirko Tarulli, George Venkov, Dynamics of the solution to the fourthorder NLS on the waveguides R^{d} X T^{k} 

Hall 2: PhD Session: Applied Mathematics, Big Data and Artificial Intelligence 

Chairperson: Stoyan Popov 
15:4016:00 
Desislava Ivanova, Veronika Metodieva, Business Process Mining: Algorithm Analysis, Software Tools, Challenges and Perspectives 
16:0016:20 
Marie Njaime, Charbel Chahla, Hichem Snoussi, Fahed Abdallah, Adversarial AutoEncoder with Attention Driven Loss 
16:2016:40 
Venelin Todorov, Slavi Georgiev, Ivan Dimov, An Improved Stochastic Algorithms for Multidimensional Air Pollution Modelling 
Coffee Break
17:0017:20 
Stefan Iliev, Stefan Parvanov, Stanislava Stoilova, Solution of the problem regarding the optimal number and location of the specialized services dedicated to the maintenance and repair of firefighting vehicles in MOI 
17:4018:00 
Antoaneta Popova, Kalina Semova, Application of the Multifactor Quantitative Method for Determination of Customs Value of Goods 
June 12, 2017 (Sunday)

Hall 1: Mathematical Modeling and Experiment in Physics 

Chairperson: Khristo Tarnev 
10:0010:20 
Khristo Tarnev, Elena Halova, Algorithm for demonstration of transport processes in gases for physics education 
10:2010:40 
Radostina Tasheva, Ivan Stefanov, Estimation of the mass and the spin of the neutron star 4U 172834 using triples of Xray quasiperiodic oscillations 
10:4011:00 
Todor N. Arabadzhiev, Ivan M. Uzunov, The influence of the saturation of the nonlinear gain on the Raman stationary solutions of the complex cubic–quintic Ginzburg–Landau equation 
Coffee Break
11:2011:40 
R.G. Kobilarov, Determination of primordial radionuclides elemental concentrations in surface soils in the central Balkan national park 
11:4012:00 
R. G. Kobilarov, Comparison of the risk to human health from ionizing and nonionizing radiation 

Hall 2: Numerical Methods 

Chairperson: Dana Černá 
10:0010:20 
Dana Černá, Orthogonal splinewavelet method for twoasset BlackScholes and Merton model 
10:2010:40 
Yanko Slavchev, Computer Analysis of the Girder Response of Single Girder Bridge Cranes under Moving Loads 
10:4011:00 
Kristina Pavlova, Stanislav Dimitov, Determining the optimal composition of feed mixtures in a cow farm, using a mathematical model 
11:0011:20 
Kristina Pavlova, Creating a transport plan using bilevel optimization for the town of Sozopol 
Coffee Break
11:4012:00 
Mihail Konstantinov, Petko Petkov, Essays on finite arithmetic 
12:0012:20 
Todor Zhelyazov, Sergey Pshenichnov, Propagation of waves provoked by an impact load in a viscoelastic cylinder 
12:2012:40 
Jordan Genoff, Extreme FloatingPoint Computation: Part I – A Case of Heuristic Rounding 
Lunch Break

Hall 1: Mathematical Modeling and Experiment in Physics 

Chairperson: Khristo Tarnev 
15:0015:20 
Kamen Perev, Analytic approximation of nonlinearities with memory 
15:2015:40 
Mariam Shehadi, Stefan Karatodorov, Lyubomir Stoychev, Georgi Yankov, Docho Tsankov, Boris Shivachev, Todor Petrov, Femtosecond Zscan measurement of nonlinear optical characteristics of wide bandgap semiconductors materials GaN and AlN with applications in optoelectronics 
15:4016:00 
Dimitar Nenov, Radostina Tasheva, Diana Zlatanova, To be or not to be – deterministic factors in deductive thermal modeling for predicting vulture flight 
Coffee Break
16:2016:40 
Magdalena D. Christova, Milan S. Dimitrijević, Nenad Milovanović, Sylvie SahalBréchot, Stark broadening parameters of spectral lines of singly ionized zinc atom 
16:4017:00 
Jordan Genoff, Trajectory Divergence Measures 

Hall 2: Numerical Methods 

Chairperson: Aleksey Nikolov 
15:0015:20 
Valentin Mateev, Iliana Marinova, Fluid Flow Diffusion Modeling with Convolutional Neural Network aided Method 
15:2015:40 
Valentin Mateev, Iliana Marinova, Modified chromosome pooling genetic algorithm for resource allocation optimization 
15:4016:00 
Dimitar Arnaudov, Modelling of Multiphase Converter for Energy Storage System 
Coffee Break
16:2016:40 
Zornitza Petrova, Ivan Altaparmakov, On the distributions of the zeros of some integrals and applications  part 1 
16:4017:00 
Bogdan Gilev, Nikolaj Hinov, Control of bidirectional DCDC converter with model reference neural controller 
17:0017:20 
Yonko Stoynov, Fundamental solution for functionally graded Magnetoelectroelastic plane 