Academic Staff

Alexandrova, Todorka

Associate Professor, PhD, Department Secretary
Information security and cryptography, secret sharing schemes and their applications. crowd computing, crowdsourcing and gamification

Andonov, Velin

Associate Professor, PhD, Head of the Information Modelling Department
Information modeling of telecommunication systems, generalized networks, intuitionistic fuzzy sets

Anguelov, Roumen

Professor, PhD, Associate Member
Research interests: Differential equations, Numerical Analysis, Matematical Models in Biology

Apostolov, Vestislav

Associate Professor, PhD
Complex differential geometry, algebraic geometry, global analysis.

Baicheva, Tsonka

Professor, PhD
Coding Theory: covering radii of codes, optimal codes, decoding, Computer communications: error control performance of codes, Combinatorics, Algorithms.

Bajalan, Maryam

Senior Assistant Professor, PhD
National research program "
January 5, 2023 - January 4, 2024

Bankov, Kiril

Professor, PhD, Associate Member
Measurements and assessment in education;
Comparative, assessment and diagnostic studies in mathematics education;
IT in education;
Didactics of mathematics;
Extracurricular mathematics activities for gifted and talented students from 4th to 12th grade;
Combinatorial mathematics, combinatorial geometry.

Barov, Stoyu

Associate Professor, PhD
Infinite-dimensional topology, Geometric Tomography/Topology, Geometry of Banach spaces, Convexity, Topological vector spaces, Selection theory.

Bazhlekov, Ivan

Associate Professor, PhD
Mathematical modeling and computer simulation of multiphase flows with heat and mass transfer and bioprocesses.

Bazhlekova, Emilia

Professor, D.Sc.
Fractional calculus; Fractional differential and integral equations: operator-theoretical approach, qualitative properties of solutions. Convolutional calculus: Duhamel-type representations for nonlocal boundary-value problems.

Bengus-Lasnier, Andrei

Researcher
National research program "Peter Beron and SIE"
October 1, 2024 - September 30, 2026

Bivas, Mira

Senior Assistant Professor, PhD
Nonsmooth analysis, differential inclusions, optimal control

Bogdanova, Galina

Professor, PhD
Coding theory - optimal codes, equidistant codes, Data protection - steganography, watermarking, Information technologies -interdisciplinary methods, Databases, Semantic Web, Multimedia Digital Libraries and Content Management Systems, Methods of preservation and presentation of cultural heritage, Digitalization.

Bojkova, Maroussia

Professor, D. Sci.
Branching stochastic processes, limit theorems, statistical inferences, application of branching models in epidemiology, demography and population dynamics.

Borisov, Lyubomir

Mathematician

Borisov, Milen

Associate Professor, PhD, Head of the MMNA Department
Mathematical modeling of biological processes, Bifurcation analysis of dynamical system, Computer simulations of biological models

Borisov, Yuri

Associate Professor, PhD
Cryptology, coding theory, discrete mathematics.

Boumova, Silvia

Associate Professor, PhD
Algebra (Linear Algebra in Euclidean Space, Group Theory, Finite Fields), Geometry (Codes and Designs in Polynomial Metric Spaces), Combinatorics (Spherical Designs, Designs in Projective Spaces), Coding Theory (Coding Limits, Optimal Codes), Cryptography.

Bouyukliev, Iliya

Professor, D.Sc.
Combinatorial algorithms and codes - isomorphism, generation and classification algorithms, coding theory - code boundaries, optimal codes, code automorphisms, algebra, finite fields, cryptography.

Boyadjiev, Georgi

Associate Professor, PhD, Department Head
The research interests of Dr. Boyadzhiev include: the comparison principle for systems of elliptic and parabolic differential equations; PDEs, including both cooperative, and non-cooperative systems; movement of waves in a solid body - in particular, the use of characteristics to track the path of seismic waves from an earthquake source to reception stations; development of methods for choosing the optimal solution of nonlinear vapor problem in mathematical modelling of Earth structure; deterministic models in geophysics and financial markets.

Boyvalenkov, Peter

Corresponding Member of BAS, Professor, D.Sc., Director of IMI - BAS
Algebra: Linear Algebra in Euclidean Spaces, Finite Fields; Geometry: Codes and Designs in Polynomial Metric Spaces, Packings and Coverings; Combinatorics: Orthogonal Arrays, t-Designs, Strongly Regular Graphs, Association Schemes – Spherical Designs, Designs in Projective Spaces; Coding Theory: Bounds for Codes, Optimal Codes.

Branzov, Todor

Senior Assistant Professor, PhD
Decision Support Software Systems, DSSS in Disaster Management, Collaborative Software Systems, Project Management, Virtual Communities, Software Engineering Process.

Brauchle, Maria

Mathematician
Dynamic educational environments, teacher training in dynamic mathematical software, inquiry-based learning in mathematics

Buchackchiev, Vilislav

Mathematician, PhD
Algebra.

Chelharova, Toni

Professor, PhD
Implementing ICT in education; dynamic learning environments; spatial intelligence; math art; fun mathematics.

Cherkashin, Danila

Associate Professor, PhD
Research interests: hypergraph coloring, chromatic number of space, Steiner problem, maximal distance minimizers

Chipchakov, Ivan

Associate Professor, PhD
Algebra: Theory of Associative Rings: fields; field extensions; Galois theory - maximal p-extensions, absolute Galois groups; central simple algebras; Brauer groups of fields - structure and invariants; valuation theory. Number Theory - local class field theory.

Cvetanova, Antoaneta

Mathematician
Research interests: Combinatorial Algorithms

Dalakov, Peter

Mathematician, PhD
(Complex) algebraic geometry, (nonabelian) Hodge theory and mathematical physics.

Danchev, Peter

Professor, PhD, D.Sci.
Group algebras and Abel groups, modules and associative rings, algebraic theory of matrices.

Dangalchev, Chavdar

PhD, Associate Member
Research interests: Graph theory, communication networks

Davidov, Johann

Professor, D.Sc., Professor Emeritus

Dencheva, Darinka

Senior Assistant Professor, PhD
Operations research, Stochastic optimization

Derzhanski, Ivan

Associate Professor, PhD
Тheoretical and Contrastive Linguistics, Typology, Semantics, Evaluative Morphology, Aspectology, Writing Systems, Quantitative Methods in Linguistics, Computational Morphology, Computational Lexicography, Methodology of Linguistics.


Mathematician, PhD
Cryptology, combinatorial optimization and algorithms

Dimitrov, Yuri

Senior Assistant Professor, PhD
Approximations of derivatives, approximations for the fractional integral, numerical methods

Dimitrova, Ludmila

Professor, PhD, Associate Member
Research and investigations in the field of Mathematical, Computational, Contrastive and Corpus Linguistics, Knowledge Representation, Human Language Technologies, Artificial Intelligence, Discrete Mathematics. Basic results include creation of digital language resources & tools with a focus on Bulgarian: development of TEI-compliant lexical specifications for encoding and processing of digital corpora and lexica, comparable and multilingual corpora (parallel, annotated, and aligned) – MTE Bulgarian-English, Bulgarian-Polish, Bulgarian-Slovak, and Bulgarian-Polish-Lithuanian, lexical databases for integrated multilingual resources and mono- and bilingual digital dictionaries.

Dimitrova, Neli

Professor, PhD, Associate Member
Dynamical systems, Applications in mathematical modeling of bioprocesses, Computer-oriented numerical analysis.

Dimova, Milena

Associate Professor, PhD
Numerical methods for nonlinear partial differential equations – finite element and finite difference methods; algorithms and scientific software; Numerical analysis of nonlinear and spectral problems in hydrodynamics, quantum mechanics, nonlinear heat - conducting medium; Numerical investigation of solutions to generalized Boussinesq’s type equations; Global solvability or finite time blow up of Cauchy problem for generalized Boussinesq’s type equations.

Draganov, Borislav

Associate Professor, PhD
I carry out research mostly in the field of approximation theory. In the recent years I have been particularly interested in establishing a precise and useful characterization of the rate of convergence of various approximation processes generated either by linear operators or by non-linear as best (weighted) approximation by algebraic or trigonometric polynomials. My research also includes interpolation, (generalized) Fourier expansions, orthogonal polynomials, quadrature formulae, multipliers, application of Fourier analysis in approximation theory, and functional analysis.

Drensky, Vesselin

Academician of BAS, Professor, D.Sc., Associate Member
Combinatorial and computational ring theory, noncommutative algebra, algebras with polynomial identity, automorphisms and derivations of polynomial and free algebras, commutative and noncommutative invariant theory, group representations, theory of symmetric functions, group algebras, and coding theory.

Eskenazi, Avram

Professor, PhD, Honorary Member of IMI
Software Quality, Agile Methodologies, Education on Informatics.

Filev, Veselin

Associate Professor, PhD
String theory, AdS/CFT correspondence, lattice gauge theories, Monte Carlo simulations, financial mathematics.

Gachev, George

Senior Assistant Professor, PhD
Informatics, mathematical modeling, chemistry, ICT.

Ganchev, Ivan

Professor, PhD
Internet of things, artificial intelligence, intelligent service recommendation for mobile users, Internet tomography

Gateva-Ivanova, Tatiana

Professor, PhD, Associate Member
Non-commutative algebra and applications for quantum groups, non-commutative geometry, symbolic computation

Genov, Marin

Mathematician, PhD student
Complex Geometry and Analysis, Hodge Theory, Non-commutative Geometry, Homological Mirror Symmetry

Georgiev, Ivan

Associate Professor, PhD, Associate Member
Numerical solution of partial differential equations, Finite elements, Multilevel methods.

Georgiev, Ivan R.

Associate Professor, PhD
Research interests: Mathematical and informatics modeling in logistics, transport and production processes, scheduling theory, modeling and forecasting in financial mathematics, numerical methods for partial and ordinary differential equations.

Georgiev, Pando

Mathematician, PhD

Georgiev, Slavi

Senior Assistant Professor, PhD
Modeling in financial mathematics, valuation and calibration of financial derivatives; numerical methods for partial and ordinary differential equations with applications in computational and quantitative finance, mathematical and computer modeling of natural and anthropogenic phenomena such as: transfer of pollutants in air and water environment; population dynamics of honey bees; spread of infectious diseases

Georgiev, Vladimir

Professor, D.Sc.

Georgieva, Irina

Associate Professor, PhD
Numerical methods; Approximation theory; Spline-functions; Interpolation and approximation by radon projection data; Aproximating harmonic functions through Radon projections; Low rank approximations.

Georgieva, Vesela

Specialist
Research interests: Information searching systems; Digitization of cultural heritage, research of digital and physical accessibility of museums; ICT and educational programs in museums

Gerdjikov, Vladimir

Professor, D.Sc., Associate Member
Soliton theory, Soliton interactions.

Glazunov, Nikolaj

Researcher
SIMONS Foundation, 01.03.2024 - 28.02.2025

Goynov, Maxim

Senior Assistant Professor, PhD
Digital Libraries and Services.


Mathematician
Combinatorics, Additive combinatorics, Graph theory, Algorithms (complexity), Analysis.

Guelev, Dimitar

Associate Professor, PhD
Temporal logic, probability logic, real-time systems, model checking, formal methods and theoretical computer science in general.

Gutev, Valentin

Professor, PhD, Associate Member
Research interests: Set-valued mappings, selections, hyperspaces, absolute extensors and retracts, embedding-like properties, finite-dimensional and infinite-dimensional spaces.

Hadzhiivanov, Svetoslav

Programmer
I am deeply interested in the field of algorithmic trading, focusing on the integration and application of the actor model in trading systems. Additionally, I am keenly interested in exploring new technologies that can innovate and enhance these areas.

Hakkaev, Sevdzhan

Professor, D.Sc.
Stability of nonlinear waves, nonlinear dispersive equations, inverse scattering theory

Harizanov, Stanislav

Associate Professor, PhD
Nonlinear Subdivision; Normal multi-scale transforms for curves and surfaces; Image and Signal Processing; Mathematical Modeling; Constrained Optimization; Primal-Dual Algorithms and their Parallel implementation.

Hristova, Elitza

Senior Assistant Professor, PhD, Department Secretary
Representation theory of Lie algebras and Lie groups, applications to Invariant theory, infinite-dimensional Lie algebras, momentum maps, geometric quantization and applications to physics.

Ikonomov, Nikolay

Senior Assistant Professor, PhD
Implementing algorithms for computing Pade approximations and their generalizations as a software application.

Iliev, Hristo

Senior Assistant Professor, PhD
Algebra.

Iliev, Iliya D.

Professor, PhD, Associate Member
Differential Equations, Dynamical Systems, Mathematical Physics.

Iliev, Petar

Senior Assistant Professor, PhD
Modal logic, Boolean function complexity.

Iliev, Valentin

Professor, D.Sc., Associate Member
Algebraic geometry: surface theory, Algebra: associative algebras, theory of finite group representations, Artin braid group representations, Combinatorics: census problems. Mathematical Chemistry: isomerism in organic cemistry, Mathematical Economics: sets of preferences, utility functions.

Ilieva, Nevena

Professor, PhD
Fields of interest/ expertise:
• Theoretical and mathematical physics; quantum field theory; field-theoretical methods in condensed-matter theory;
• Algorithms for large system modelling and analysis;
• Mathematical biology: biocomputing; modelling of biomolecular structure and dynamics; immunoinformatics; protein folding
• High-performance computing
• History and philosophy of physics

Ivanov, Kamen

Professor, D.Sc.
My mathematical work is primary connected with the approximation theory. Other areas of interest are varying fields of analysis, analytic number theory, numerical methods and mathematical modeling. I am also interested in the theory and application of the electoral systems, election conduct and observation.

Ivanov, Lyubomir

Associate Professor, PhD, Associate Member
Abstract and axiomatic recursion theory; Romanization of Cyrillized languages and re-Romanization of English; Antarctic place naming, geographic surveying and mapping; foreign and security policy, European and Atlantic integration; self-determination, minority rights, immigration policies.

Ivanov, Stefan

Academician of BAS, Professor, D.Sc.

Ivanova, Krassimira

Associate Professor, PhD, Department Head, Scientific Secretary of IMI - BAS
Data Mining, Image Retrieval, Data Bases, Information Systems, applied in areas such as: Digitization of Cultural Heritage, Disaster Risk Management, Analysis of Economical Processes, Education.

Ivanova, Tatyana

Senior Assistant Professor, PhD
Logics for space and time, modal logic.

Kaloyanova, Kalinka

Professor, PhD
Databases; Information Systems; IT Services.

Kamburova, Detelina

Senior Assistant Professor, PhD
Variational analysis

Kanev, Vassil

Associate Professor, PhD, Associate Member
Algebra.

Katzarkov, Ludmil

Corresponding Member of BAS, Professor, D.Sc.
Differential, algebraic and symplectic geometry, topology and mathematical physics.

Kenderov, Petar

Academician of BAS, Professor, D.Sc., Associate Member
General topology (set-valued mappings), Functional analysis.

Kharchenko, Oksana

researcher - senior associate
Biomedical information processing, mathematical methods for extracting useful signal from high intensity background noise

Kiryakova, Virginia

Professor, D.Sc., Professor Emeritus
Fractional Calculus, Special Functions, Integral Transforms, Differential Equations.

Kolev, Boyan

Senior Assistant Professor, PhD, Secretary of the Information Modelling Department
Research interests: Relational algebra, SQL query optimization, time series

Kolev, Emil

Professor, DSc, Head of the Algebra and Logic Department
Coding theory, query problems, covering problems.

Kolkovska, Natalia

Professor, PhD, Associate Member
My scientific interests are in the field of numerical methods for solving differential and integral equations, in particular - the methods of finite differences, finite elements, boundary elements, as well as their application to the mathematical models of physical and industrial processes.

Koppitz, Jorg

Professor, PhD
Algebra, Semigroup Theory, Transformation Semigroups, Universal Algebra, Clone Theory, Varieties of algebraic structures, discrete functions.

Kortezov, Ivaylo

Associate Professor, PhD, Head of the Department
General Topology, Functional Analysis, Cardinal Invariants.

Kostadinov, Boyan

Post-doctoral researcher, PhD
Algebras with polynomial identities, Integrable equations

Kostadinov, Hristo

Associate Professor, PhD, Department Head
Теория на кодирането и приложението й в кодова модулация, водни знаци и флаш-памети.

Kounchev, Ognyan

Professor, D.Sc.
Operations research.

Kovacheva, Ralitza

Professor, D.Sc., Associate Member
Approximations by rational functions in the complex plane: Pade approximation, best rational approximation, orthogonal polynomials, rate of approximation; complex analysis, potential theory, numerical analysis, mathematical modelling.

Kovacheva, Zlatinka

Professor, Ph.D.
Iinformation modelling, OLAP, big data, neural networks.

Krastanov, Mikhail

Professor, D.Sc.
Application of geometrical methods in control theory, Mathematical applications in biosciences, economic and etc.

Kutev, Nikolay

Professor, D.Sc., Associate Member
Non-linear elliptic and parabolic equations and systems appearing in geometry, physics and engineering: e.g. the minimum surface equation, the equation of Monge-Ampere, the equation of anisotopic diffusion in the theory image clarification, viscose solutions, diffraction problems of equations with non-continuous coefficients and others.

Kutzarova, Denka

Professor, D.Sc.
Functional Analysis; Approximation theory.

Kyurkchiev, Nikolay

Professor, PhD, Associate Member
Numerical methods, Approximation theory.

Loukanova, Roussanka

Mathematician, PhD, Associate Member
Type-theoretic approaches to information theory and information processing, Dependent-Type Theory of Situated Information, Type-Theory of Algorithms, Recursion Theory, Computational Syntax, Automata Theory, Computational Semantics, Computational Syntax-Semantics Interface, Computational Linguistics, Type-Theoretic Grammars, Constraint Based Lexicalized Grammar (CBLG), Artificial Intelligence

Luchev, Detelin

Associate Professor, PhD, Head of the Mathematical Linguistics Department
Digitization, Semantic Web, Ethnology, Folklore Studies, Culture Anthropology, Communities and Identities, Ethno-statistics, Museums and Archives, Digital Libraries.

Manev, Nikolay

Professor, PhD
Coding theory, computer algebra, high performance computing.

Maneva, Nelly

Associate Member, Professor, PhD
Software Technologies; Software Quality Requirements; Comparative Analysis; Software Development Models; Software Project Management.

Markov, Yavor

Mathematician, PhD, Department Secretary
Representations of Lie and Hecke algebras; Group algebras and differential and difference equations associated with quantum mechanics and mathematical physics.



Milanov, Peter

Professor, PhD, Associate Member
Discrete optimization, Bioinformatics, Drug design.

Milousheva, Velichka

Professor, PhD, Deputy Director of IMI
Differential geometry of Riemannian manifolds, differential geometry of surfaces and hypersurfaces in Euclidean or Minkowski spaces, local theory of surfaces in pseudo-Euclidean spaces with neutral metric.

Minchev, Zlatogor

Associate Professor, PhD
Modelling, simulation, cybersecurity, operations research, computer sciences, computer assisted exercises, crisis/emergency management.

Mitankin, Vladimir

Researcher
Horizon Europe Framework Programme

Mitov, Iliya

Programmer, PhD
Data Mining, Knowledge Retrieval, Data Bases, Information systems, ERP-systems, Software and Web Design applied in areas such as: Analysis and Management of Economical and Natural Processes.

Momcheva, Galina

Associate Professor, PhD
Research interests: algorithmic design, neural networks, biomedical research, education

Monova-Zheleva, Mariya

Mathematician, PhD
Web-based learning environments, e-learning, adaptive learning, personalization of learning, virtual worlds and virtual learning, serious games, MOOC, digitization of cultural, historical and scientific heritage.

Muskarov, Oleg

Academician, Professor, D.Sc., Professor Emeritus
Several complex variables, Analysis on complex and almost complex manifolds, Complex differential geometry, Twistor theory.

Mutafchiev, Ljuben

Professor, D.Sc., Associate Member
Random Combinatorial Structures, Asymptotic Enumeration, Limit Theorems.

Naydenova, Ina

Mathematician, PhD
Information modeling through multidimensional data cubes and issues related to data sparsity in the model, big data, data warehouses, data quality

Nesheva, Natalia

Assistant Professor
Inquiry-based learning in mathematics

Nikolov, Nikolai

Corresponding Member of BAS, Professor, D.Sc., Chairman of the Scientific Council of IMI, Head of Department AGT, President of the UBM
Several complex variables

Nikolov, Nikolay I.

Senior Assistant Professor, PhD
Nonparametric statistics.

Nikolova-Popova, Daniela

Associate Professor, PhD, Associate Member
Algebra.

Nikolova, Aleksandra

Senior Assistant Professor, PhD, Department Secretary
e-Learning, Virtual reality, 3D, Serious Games, Gamification, Interactive Learning Resources

Nikolova, Evgeniya

Mathematicians, PhD
Research, projects and developments in the field of statistical analysis techniques for IDS, coding theory, probability models, digital competences, mathematical and soft skills, e-learning, adaptive learning in web-based environments, personalization of learning and ICT-based approaches to improve learners' ability to learn.

Nisheva-Pavlova, Maria

Professor, PhD
Functional Programming; Computer Algebra Systems; Knowledge Based Systems; Information Retrieval; Semantic Technologies.

Noev, Nikolay

Senior Assistant Professor, PhD
Semantic Web, Digital Libraries and Content Management Systems, Programming, Databases, Digitalization, Digital Graphics

Palejev, Dean

Associate Professor, PhD
Biostatistics, bioinformatics.

Paneva-Konovska, Jordanka

Professor, D.Sc.
Fractional Calculus, Special Functions, Integral Transforms, Differential Equations.

Paneva-Marinova, Desislava

Professor, PhD
Multimedia Digital Libraries Services: Annotation and Semantic Indexing of Digital Objects, Metadata Management, Tools and Techniques for Navigation, Preview, Group, and Selection to Digital Objects/Collections and their Descriptions, Personalized and Adaptive Access to the Digital Content, etc., e-Learning Technologies and Standards, New Information Technologies and Environments for Distance Learning, Multimedia and Language Technologies, Knowledge and Semantic Web Technologies.

Pashinska-Gadzheva, Maria

Assistant Professor
Research interests: Linear Codes and Combinatorial Algorithms, Algorithms optimization, Mathematical software

Pavlov, Radoslav

Professor, PhD, Associate Member
Mathematical Linguistics and Knowledge Processing, Human Language Technologies, Information Society Technologies, Knowledge Technologies and Management, Semantic WEB services, Semantic Information Processing, Digital Libraries and Content Management Systems, Algorithmics, Theory of Computation, Discrete Mathematics.

Pejhan, Hamed

Researcher
National research program "

Petkov, Vesselin

Professor, D.Sc., Honorary Member of IMI
Partial differential equations, Microlocal analysis, Spectral theory, Scattering theory, Dynamical systems.

Petrov, Peter

Chief Assistant Professor, PhD
My research has been in the area of arc and jet schemes, motivic integration, and their applications to singularities, such as Nash problem. Also, I am working in topology of complements of algebraic sets, including generalizations of Zariski - van Kampen theorem for higher homotopy groups, and hyperplane arrangements. Recently started my interest in applications of singularities of differentiable maps to medical imaging.

Popivanov, Peter

Academician, Professor, D.Sc., Honorary Member of IMI
The main research interests and publications of Peter Popivanov are in partial differential equations - linear and nonlinear micro-local analysis nonelliptic border problems and global solvability, hipoellipticity, propagation of singularities of weakly nonlinear hyperbolic equations and systems and applications in mechanics and geometry.

Popova, Evgenija

Professor, PhD
Numerical and algebraic methods for problems with uncertain (interval) data; Linear algebraic systems involving (non)linear dependencies between interval parameters: methods, software tools, applications; Algebraic extensions (http://www.math.bas.bg/~epopova/directed.html) of the classical interval space; Software tools for problems with uncertain data and/or result verification; Interaction between computer algebra and interval computations; Dynamic and interactive web-accessible mathematical computations and graphics (webComputing) (http://cose.math.bas.bg/webComputing/); Standards for floating-point arithmetic and computer interval arithmetic; Statistical data analysis.

Rangachev, Antoni

Chief Assistant Professor, PhD
Algebraic geometry and commutative algebra, and their interactions with deformation theory and singularity theory.

Rangelov, Tsviatko

Professor, D.Sc., Associate Member
Partial differential equations and applications: Solvability and hypoellipticity for pseudodifferential operators with multiply characteristics; Scattering theory for hyperbolic equations and systems for moving obstacles; Nonlinear degenerate parabolic equations; BIEM for systems of elasticity in the domains with cracks.

Rangochev, Konstantin

Associate Professor, PhD
Ethnology, Folklore studies, Culture Anthropology, Linguistics, Computational Linguistics, Digital Libraries.

Rashkov, Peter

Associate Professor, PhD, Department Secretary
Mathematical modelling with applications in biology and onclogy, dynamical systems and applications, numerical analysis, harmonic analysis.

Revalski, Julian

Academician, Professor, D.Sc.
Operations research (Optimization, Variation Analysis, Game Theory), Functional analysis (Banach Space Geometry, Convex Analysis, Monotone Operators), General Topology (Topological Methods in Optimization and Variation Analysis, Set-valued mappings).

Ribarska, Nadezhda

Corresponding Member of BAS, Professor, D. Sci.
Functional analysis, Differential inclusions, Optimal control.

Sabev, Negoslav

Senior Assistant Professor, PhD
Accessibility: standards and legislation; documents, software, web interfaces and content; assistive technologies; people with disabilities and technology; practical applications.

Sariev, Hristo

Chief Assistant Professor, PhD, Department Secretary
Bayesian nonparametrics, Random measures, Urn models, Lévy processes

Savov, Mladen

Corresponding Member of BAS, Professor, D.Sc.
Levy processes, functionals based on Levy processes, spectral theory of non-selfadjoint Markov processes, Brownian motion in random environment

Sendova, Evgenia

Associate Professor, PhD, Associate Member
Developing Logo microworlds and models for integrating the learning and the creative processes: Methodological issues of using Information Technology in teaching Mathematics, Languages, Music, Science, Arts; Applying Informatics and ICT in Primary and Secondary School; Methodological support of projects for implementing the Inquiry Based Learning in Primary and Secondary School.

Shishkov, Boris

Associate Professor, PhD
Adaptable (Context-Aware) Information Systems, IT (Service-Oriented) Architectures, Enterprise Modeling, Future Internet Applications for Traffic Surveillance and Management, e-Health Services and Technologies, Green IT Solutions, e-Voting / i-Voting.

Shkolnikov, Mihail

Researcher
SIMONS Foundation, 17.07.2023 - 16.07.2024

Simeonov, Georgi

Senior Assistant Professor, PhD
Discrete Mathematics, Programming languages, parallel and distributed computing, cloud computing, information aggregation and retrieval.

Siruk, Olena

Senior Assistant Professor, PhD
Computational Lexicography, Corpus Linguistics, Contrastive Linguistics (esp. the Comparison of Slavic Languages), Ukrainian Studies, Traditional and Computational Dialectology, Semantic Web, Formal Modelling of Semantic Phenomena, Databases and Quantitative Methods in Linguistics, E-learning Systems and Content Development, Web Design and Computer Graphics, Modelling of Linguistic Information-Retrieval Systems.

Slavova, Angela

Professor, PhD
I am working in the theory of differential equations, more precisely in partial differential equations (PDE), CNN modeling of complex nonlinear partial differential equations arising from applications in mathematical physics, in biology, in ecology, in mechanics etc.

Sotirova-Valkova, Kalina

Specialist, PhD, Department Secretary
Educational computer games (EduTainment), Digitization of cultural heritage - standards, Longterm preservation of digital heritage, WEB 2.0, WEB 3.0 Computer Graphics (Applications) and Design.

Souvandjieva, Vladimira

Mathematician
Dynamical systems, immunology, ecology

Spiridonova, Margarita

Associate Professor, PhD, Associate Member
Computer algebra (algorithms, systems and applications), Information Modeling.

Stanchev, Peter

Professor, D.Sc., Professor Emeritus
1) Image and Video Processing: MPEG-21, MPEG-7, MPEG-4, SIFT. 2) Computer graphics: OPEN GL, Color theory, Java 2D and Java 3D, Maya, 3ds MAX 3) Medical imaging: Magnetic Resonance Images analysis, Segmentation, 3D reconstruction, Functional MRI 4) Game design: LUA, XNA, Python, Sonics, Game generators: Blitz, I7, Game Factory, Inscape, Torque, Yoyo, Unity, Alice. 5) Multimedia Systems: Semantic web technology. Ontology. W3C's Web Ontology Language (OWL), Resource Description Framework (RDF), Content based image retrieval (CBIR). Digital Libraries. 6) Data Base Systems: Models; 7) Information Retrieval and Data mining: Association Rule mining, Classification - tree-based approaches, Neural Networks, Clustering basics, statistical approaches, Neural-net. Fuzzy Sets and Systems. Expert Systems. 8) Web technology: Web2.0 tools. Ajax, Web Map Server (WMS), Web Feature Server (WFS), XML (Extensible Markup Language), RSS, RDF (Resource Description Framework), Web 2.0 mash-ups, Java Script, Java Applets, MySQL and PHP, PERL, ASP.Net. Electronic comers.

Stefanov, Alexander

Mathematician, PhD
Nonlinear dynamical systems related to infinite dimensional Lie algebras.

Stefanov, Boyan

Assistant Professor, PhD
Variational analysis, optimization, optimal control

Stoilov, Kaloyan

Mathematician
Numerical methods and mathematical biology.

Stoimenova, Eugenia

Professor, D.Sc.
Nonparametric Statistics: rank tests, probability models for ranking data, group-theoretic methods in statistics, ranking and selection procedures, nonparametric density estimation.

Stoyanov, Yordan

Professor, PhD, Associate Member
Probability and stochastic processes, probabilistic distributions, characterization, momentum problem, stochastic differential equations, counter examples in probability theory, probability in other areas of mathematics

Sybeva, Nevena

Mathematician
Math education, technologically supported training, information modeling.

Tabov, Jordan

Professor, D.Sc., Associate Member
Methodology of Mathematics, Applications of Mathematics and Informatics in the Humanities, Information Modeling, Differential Equations, Geometry.

Tchorbadjieff, Assen

Associate Professor, PhD
Probabilities in Physics, meteorology, data quality, branching processes.

Terzian, Stepan

Professor, D.Sc., Associate Member
Nonlinear functional analysis, critical points theory, private and ordinary differential equations, differential equations, fractional calculus and differential equations of fractional order.

Todorov, Maxim

Professor, D.Sc., Associate Member
Semi-infinite and vector optimization. Convex analysis.

Todorov, Michail

Professor, PhD
Research interests: Methods for Numerical Solving Nonlinear, Eigenvalue Boundary Problems, and Initial Problems, spectral and pseudospectral methods for wave and dispersion equations and dynamical systems

Todorov, Todor

Mathematician, PhD
Coding theory - optimal codes, equidistant codes, Data protection - steganography, watermarking, Information technologies -interdisciplinary methods, Databases, Semantic Web, Multimedia Digital Libraries and Content Management Systems, Methods of preservation and presentation of cultural heritage, Digitalization.

Todorov, Venelin

Associate Professor, PhD
Development of numerical methods for mathematical and computer modeling and applications. Monte Carlo and Quasi-Monte Carlo methods for multidimensional integrals, integral equations and linear systems. Stochastic methods for sensitivity analysis of large mathematical models. Numerical methods based on lattice point sets with different generating vectors. Comparisons of quasi random sequences with low discrepancy. Compact difference schemes with high degree of accuracy for model problems in ecology. Applications of numerical methods of high accuracy in ecology, physics, quantum mechanics, finance, statistics, biology and communication technologies.

Tomanov, Geogri

Associate Professor, D.Sc., Associate Member
Algebra.

Topalov, Peter

Associate Professor, PhD
Hamiltonian PDEs and ODEs, dynamical systems, Riemannian and symplectic geometry, billiards.

Topalova, Svetlana

Professor, PhD
Construction, properties and classification up to equivalence of combinatorial designs and related structures, namely resolvable designs, doubly resolvable designs, orthogonal resolutions, multiple designs, Hadamard matrices, error-correcting codes, spreads and parallelisms of projective spaces, optical orthogonal codes.

Trifonova, Svetlana

Mathematician
Research interests: 3D modelling, image processing

Troyanski, Stanimir

Academician, Professor, D.Sc., Associate Member
Geometry of Banach spaces and related aspects of approximation theory, topology, probability theory, descriptive set and function theory.

Tsachev, Tsvetomir

Professor, PhD, Deputy Director of IMI - BAS
Optimal Control of Infinite Dimensional Systems; Mathematical Modeling in Economics.

Tsanov, Valdemar

Associate Professor, PhD, Secretary of Department AGT
Lie theory, reductive and semisimple Lie groups, linear representations and actions on manifolds. Geometry of flag varieties. Geometric Invariant Theory.

Tsvetkov, Martin

Mathematician
3D modelling, image processing

Valchev, Tihomir

Associate Professor, PhD
Nonlinear equations, Integrable systems, Differential geometry, Symmetry and singularity theory, Geometric methods in Physics.

Valev, Ventzeslav

Professor, D. Sc., Associate Member
Pattern Recognition and Classification, Machine Learning, Knowledge Discovery, Computer Vision, Neural Networks, Computer Security, Medical Informatics.

Varypaev, Alexander

Assistant Professor, PhD
Research interests: Modelling and analysis of experimental data

Vassileva, Albena

Mathematician, Department Secretary
Mathematics education, inquiry-based learning, education of gifted students, math competitions, project-based education

Vavrek, Veselin

Senior Assistant Professor, PhD
Coding Theory, Cryptography, Number Theory.

Vladeva-Trendafilova, Dimitrinka

Associate Professor, PhD
Endomorphism semirings, Matrix semirings, Derivations in semirings, Combinatorics, Stochastic processes.

Vorob’ev, Konstantin

Researcher
National Scientific Program "Peter Beron and SIE"
22.02.2023 - 21.02.2025

Vucheva, Veselina

Mathematician, PhD

Yanev, George

Senior Assistant Professor, PhD
Branching stochastic processes: limit theorems, immigration, emigration, bisexual processes, and statistics. Chacterizations of distributions using ordered statistics and record values. Applied Statistics.

Yanev, Nikola

Professor, PhD, Associate Member
Discrete optimization, Optimization graph theory

Yanev, Nikolay

Professor Emeritus, D.Sc.
Probability Theory, Mathematical Statistics, Stochastic Processes and Applications, Branching Random Processes, and Applications.

Yazadzhiev, Stoycho

Professor, D.Sc.
Theoretical and mathematical physics, Physics of space-time and gravity, Astrophysics and cosmology, Differential geometry and topology, Non-linear private differential equations, Numerical methods and computational physics

Yordanov, Borislav

Associate Professor, PhD

Zaevski, Tsvetelin

Associate Professor, PhD, Head of the ORPS Department
Levy processes, Stochastic differential equations, Stochastic control, Mathematical finance: derivative pricing, term structure of interest rates, risk management

Zhelev, Yanislav

Mathematician, PhD
Research interests: computer networks, algorithms, e-learning, v-learning, learning personalization, multimedia libraries, digital presentation and preservation of scientific, historical and cultural heritage.

Zhelezova, Stela

Associate Professor, PhD
Resolvable designs, doubly resolvable designs, orthogonal resolutions, spreads and parallelisms of projective spaces, cryptographic primitives, algorithms

Zlatkov, Lyubomir

Mathematician
Computational Linguistics, (Statistical) Machine Translation, Natural Language Processing, Computational Morphology, Language Resources and Knowledge Representation, Machine Learning, Methodology of Linguistics.