he Mathematics and Informatics Faculty of Vilnius University offers doctoral (PhD) studies in three areas: informatics, computer engineering, and mathematics. This section contains defended dissertations, which are grouped by year when they were defended. All dissertations defended at Vilnius University are available on the website of the Research Council of Lithuania.
All disertation can be searched and texts downloaded by using eLABa search engine.
2024
Informatics
Name, surname |
Dissertation title |
Supervisor |
Saulius Tautvaišas | Scalable Bayesian Global Optimization of Black-Box Functions | Prof. Dr. Julius Žilinskas |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Brigita Žemaitienė | Joint Approximation of Analytic Functions by Certain Classes of Zeta-Functions | Prof. dr. Roma Kačinskaitė, Prof. dr. Jonas Šiaulys, prof. dr. Jonas Šiaulys |
Rūta Juozaitienė | Triadic effects in dynamic networks modelling | Prof. Dr. Ernst C.Wit., prof. dr. Jurgita Markevčiūtė |
2023
Informatics
Name, surname |
Dissertation title |
Supervisor |
Marta Karaliūtė | Supervised Bayesian classification methods of Gaussian Spatio-temporal data based on generative machine learning models | Prof. dr. Kęstutis Dučinskas, prof. dr. Gintautas Dzemyda |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Ilona Veitaitė | Enterprise Knowledge-Based UML Dynamic Models Generation Method | Prof. dr. Audrius Lopata |
Povilas Gudžius | Automated Machine Learning for Accurate and Low-latency Object Recognition in Optical Satellite Imagery | Prof. dr. Olga Kurasova, doc. dr. Ernestas Filatovas |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Tadas Danielius | Changepoint detection using p-variation of CUSUM process | Prof. habil. dr. Alfredas Račkauskas, prof. dr. Osvaldas Rukšėnas |
Saulius Paukštys | Properties of Tail Moments of Heavy‐Tailed Distributions | Prof. dr. Jonas Šiaulys |
Aidas Medžiūnas | Various Classes of Stochastic Differential Equations: Existence, Uniqueness, and Approximation | prof. habil. dr. Kęstutis Kubilius |
2022
Informatics
Name, surname |
Dissertation title |
Supervisor |
Vaidas Jusevičius | Research and development of an open-source algebraic modeling and mathematical optimization system | Prof. dr. Remigijus Paulavičius |
Eglė Zikarienė | Spatial Contextual Classification Based on Conditional Distributions Belonging to Elliptical and Exponential Families | Prof. dr. Kęstutis Dučinskas |
Tomas Raila | Computer modeling methods for phospholipid membrane damage assessmentComputer modeling methods for phospholipid membrane damage assessment | Prof. dr. Tadas Meškauskas |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Violeta Lukšienė | Approximation of analytic functions by shifts of certain zeta-functions | Prof. habil. dr. Antanas Laurinčikas |
Jonas Sprindys | Asymptotic analysis of heavy tailed distributions | Prof. dr. (HP) Jonas Šiaulys |
Rita Juodagalvytė | Multiscale Modelling of Viscous Flows in Domains of Complex Geometry | Prof. habil. dr. Konstantinas Pileckas, Prof. habil. dr. Grigory Panasenko |
Saulius Jokubaitis | Sparse models: theory and applications | Prof. habil. dr. Remigijus Leipus |
Vytenis Šumskas | Finite volume ADI schemes for hybrid dimension heat conduction models | Prof. habil. dr. Raimondas Čiegis |
Gabrielė Mongirdaitė | Weak Approximations of the Wright–Fisher process and Related Problems | Prof. habil. dr. Vigirdas Mackevičius |
2021
Informatics
Name, surname |
Dissertation title |
Supervisor |
Rokas Astrauskas | Computer Modelling of Reaction-Diffusion Processes in Scanning Electrochemical Microscopy and in Cell Spheroids | Prof. habil. dr. Feliksas Ivanauskas |
Anatolij Nečiporenko | Mathematical Modeling of Bioreactor Control | Prof. habil. dr. Feliksas Ivanauskas |
Linas Stripinis | Improvement, development and implementation of derivate-free global optimizatio algorithms | Prof. dr. Remigijus Paulavičius |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Albertas Jurgelevičius | Hybrid public distributed computing platform | Prof. habil. dr. Leonidas Sakalauskas |
Mindaugas Jusis | Method of data synchronization of autonomous port handling processes | Prof. dr. Saulius Gudas |
Mindaugas Morkūnas | Development of Tumor Microenvironment-Oriented Digital Pathology Methods for Whole Slide Image Segmentation and Classification | Doc. dr. Povilas Treigys |
Julius Venskus | Semi-supervised and Unsupervised Machine Learning Methods for Sea Traffic Anomaly Detection | Doc. dr. Povilas Treigys |
Andrius Daranda | Machine learning-based prediction of the behavior of marine traffic participants and discovering non-standard marine traffic situations | Prof. habil. dr. Gintautas Dzemyda |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Rokas Gylys | Application of the Lee-Carter Mortality Projection Model and Its Modifications in the Modelling of an Insurance Company’s Solvency Capital | Prof. habil. dr. Jonas Šiaulys |
Adelė Vaiginytė | Approximation of Analytic Functions by Shifts of Zeta-Functions of Certain Cusp Forms | Prof. habil. dr. Antanas Laurinčikas |
Gediminas Vadeikis | Weighted Universality Theorems for the Riemann and Hurwitz Zeta-Functions | Prof. habil. dr. Antanas Laurinčikas |
Gediminas Bagdonas | A class of bivariate copula mappings | Assoc. prof. dr. Martynas Manstavičius |
Gytenis Lileika | Weak approximations of CKLS model by discrete random variables | Prof. habil. dr. Vigirdas Mackevičius |
2020
Informatics
Name, surname |
Dissertation title |
Supervisor |
Andrius Vytautas Misiukas Misiūnas | Investigation of automatic EEG analysis algorithms | Prof. dr. Tadas Meškauskas |
Linas Petkevičius | Numerical and symbolic modeling of reaction-diffusion processes in bioreactors | Prof. dr. Romas Baronas |
Jūratė Vaičiulytė | Study and Application of Hidden Markov Models to Online Analysis of Multivariate Sequence Data | Prof. habil. dr. Leonidas Sakalauskas |
Rima Kriauzienė | Parallel algorithms for non-classical problems with big computational costs | Prof. habil. dr. Raimondas Čiegis |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Andrius Buteikis | Multivariate copula‐basedinteger‐valued time series models:theory and applications | Prof. habil. dr. Remigijus Leipus |
2019
Informatics
Name, surname |
Dissertation title |
Supervisor |
Andrius Valatavičius | Enterprise application interoperability evaluation using autonomic computing | Dr. (HP) Saulius Gudas |
Natalija Pozniak | Study and application of Euclidean matrices to surrogate modelling | Habil. dr. Leonidas Sakalauskas |
Dovilė Stumbrienė | Data envelopment analysis for effectiveness analysis of education systems | Prof. dr. Audronė Jakaitienė |
Giedrius Stabingis |
Statistical decisions for spatial information in digital images. |
Prof. habil. dr. Gintautas Dzemyda |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Rokas Jurevičius | Investigation of Particle Filter Based Visual Localization for Unmanned Aerial Vehicle Flights at Low-Altitude | Dr. Virginijus Marcinkevičius |
Gabrielė Stupurienė |
Concept-driven informatics education: extension of computational thinking tasks and educational platform for primary school |
Prof. dr. Valentina Dagienė |
Daina Gudonienė | Model and implementation of integrated e-learning objects in educational platform | Prof. dr. Valentina Dagienė |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Alicija Eismontaitė |
Singular solutions of Stokes systems in areas with taper |
Prof. habil. dr. Konstantinas Pileckas |
Kristina Bingelė | Investigation of Spectrum for a Sturm–Liouville problem with Two-Point Nonlocal Boundary Conditions | Prof. dr. Artūras Štikonas |
2018
Informatics
Name, surname |
Dissertation title |
Supervisor |
Kotryna Paulauskienė |
Massive data visualization based on dimensionality reduction and projection error evaluation |
Prof. dr. Olga Kurasova |
Albertas Gimbutas |
An algorithm of simplicial Lipschitz optimization with the bi-criteria selection of simplices for the bi-section |
Prof. habil. dr. Antanas Žilinskas |
Linas Litvinas |
Computational modelling, signal analysis and optimisation of biosensors |
Prof. dr. Romas Baronas |
Mykolas Jurgis Bilinskas |
Development and application of a mathematical model to parametrization and registration of breast area computed tomography |
Prof. habil. dr. Gintautas Dzemyda |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Laurynas Dovydaitis |
Research on the accuracy of Lithuanian speaker’s identification using recurrent neural networks |
Doc. dr.Vytautas Rudžionis |
Vladimiras Dolgopolovas |
Software learning objects for scientific computing education: teaching scientific inquiry with recurrence based stochastic models |
Prof. dr. Valentina Dagienė |
Jevgenij Tichonov |
Classification-based compression solutions of digital images |
Prof. dr. Olga Kurasova |
Vytautas Jakštys |
Application of contour detection methods to lateral chromatic aberration reduction in eye fundus images and road surface defect detection |
Dr. Virginijus Marcinkevičius |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Olga Navickienė |
Recursive calculation of risk measures in discrete time risk model with inhomogeneous claims |
Prof. habil. dr. Jonas Šiaulys |
Eglė Jaunė |
Tail asymptotics of a sum of heavy-tailed distributions with application to risk theory |
Prof. habil. dr. Jonas Šiaulys |
Svetlana Danilenko |
Closure properties of randomly stopped sums |
Prof. habil. dr. Jonas Šiaulys |
Gailė Paukštaitė |
Generalized Green‘s functions for problems with nonlocal conditions |
Prof. dr. Arturas Štikonas |
Dmitrij Mochov |
Universality theorems for the periodic Hurwitz zeta–function |
Prof. habil. dr. Antanas Laurinčikas |
Gražvydas Šemetulskis |
Variations on the problems of Erdős-Turán and Littlewood-Offord |
Prof.habil. dr. Arturas Dubickas |
Rokas Tamošiūnas |
Value distribution of Lerch and periodic Hurwitz zeta–functions |
Prof. dr. Ramūnas Garunkštis |
Audronė Rimkevičienė |
Investigations of the asymptotic behaviour of periodic Hurwitz zeta-functions |
Prof. habil. dr. Antanas Laurinčikas |
2017
Informatics
Name, surname |
Dissertation title |
Supervisor |
Edgaras Artemčiukas |
Hybrid object tracking method for augmented reality systems using the Kalman filter |
Prof. habil. dr. Leonidas Sakalaukas |
Tatjana Liogienė |
Hierarchical classification of speech emotions |
Doc. dr Gintautas Tamulevičius |
Gražina Gimbutienė |
Algorithms for non-convex global optimization based on the statistical and Lipschitz objective function models |
Prof. habil. dr. Antanas Žilinskas |
Kliment Olechnovič |
Methods for the analysis and assessment of the three-dimensional structures of proteins and nucleic acids: development and applications |
Dr. Česlovas Venslovas |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Evaldas Žulkas |
Development of energy consumption forecasting and autonomous management system in smart house environmentDevelopment of energy consumption forecasting and autonomous management system in smart house environment |
Dr. Virginijus Marcinkevičius |
Tomas Pranckevičius |
Investigation of multi-class classification methods for textual data |
Dr. Virginijus Marcinkevičius |
Martynas Sabaliauskas |
Computerized modelling technology of unique footwear surface manufacturing design |
Dr. Virginijus Marcinkevičius |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Vytautas Stepas |
Moments of additive functions defined on random assemblies |
Prof. habil. dr. Eugenijus Manstavičius |
Laura Žvinytė |
Discrete uniform limit law for additive functions |
Prof. habil. dr. Gediminas Stepanauskas |
Ieva Grublytė |
Modelling of nonlinear long memory |
Prof. habil. dr. Donatas Surgailis |
Vytautė Pilipauskaitė |
Limit theorems for space-time models with long-term memory |
Prof. habil. dr. Donatas Surgailis |
Julius Damarackas |
Spectral covariances and limit theorems for infinite-variance linear processes and fields |
Prof. habil. dr. Vygantas Paulauskas |
Laimonas Meška |
Modified universality theorems for the Riemann and Hurwitz zeta-functions |
Prof. habil. dr. Laimonas Laurinčikas |
Laurynas Naruševičius |
Econometric assessment of bank stability |
Prof. habil. dr. Alfredas Račkauskas |
Andrius Škarnulis |
Quadratic ARCH models with long memory and QML estimation |
Prof. habil. dr. Donatas Surgalis |
Emilija Bernackaitė |
Ruin probability for inhomogeneous renewal risk model |
Prof. dr. Jonas Šiaulys |
2016
Informatics
Name, surname |
Dissertation title |
Supervisor |
Vytautas Valaitis |
Neural networks based robot motion improvement |
Prof. habil. dr. Šarūnas Raudys |
Dalius Krunglevičius |
SSTDP learning of spatial and spatiotemporal patterns |
Prof. habil dr. Šarūnas Raudys |
Vytautas Jančauskas |
Evaluating the Performance of Multi-Objective Particle Swarm Optimization Algorithms |
Prof. habil. dr. Antanas Žilinskas |
Žilvinas Ledas |
Computational modelling of the self-organization of luminous bacteria in liquid |
Prof. dr. Romas Baronas |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Mindaugas Kurmis |
Development of heterogeneous services integration capabilities for changing topology vehicular communication networks |
Prof. dr. Dalė Dzemydienė |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Agnė Reklaitė |
Measuring the globalisation effect: the application of a dynamic hierarchical linear model |
Prof. dr. Marijus Radavičius |
Raivydas Šimėnas |
On α-values of zeta-functions |
Prof. dr. Ramūnas Garunkštis |
Lina Dindienė |
Asymptotic analysis of the sums of heavy-tailed random variables |
Prof. habil. dr. Remigijus Leipus |
Jurij Novickij |
On the stability of finite difference schemes for hyperbolic equation with nonlocal integral boundary conditions |
Prof. dr. Artūras Štikonas |
Agnė Skučaitė |
Investigation of the spectrum for Sturm–Liouville problem with a nonlocal integral boundary condition |
Prof. dr. Artūras Štikonas |
Robertas Petuchovas |
Asymptotic analysis of the cyclic structure of permutations |
Prof. habil. dr. Eugenijus Manstavičius |
Antanas Lenkšas |
A second-order weak approximation of Heston model by discrete random variables |
Prof. habil. dr. Vigirdas Mackevičius |
Agneška Korvel |
Ruin probabilities of the discrete-time risk model with inhomogeneous claims |
Prof. dr. Jonas Šiaulys |
Jūratė Šliogerė |
Discrete approximations for sums of weakly dependent variables |
Prof. habil. dr.. Vydas Čekanavičius |
2015
Informatics
Name, surname |
Dissertation title |
Supervisor |
Aurimas Rapečka |
Increase of the efficiency of recommender systems in social networks |
Prof. habil. dr. Gintautas Dzemyda |
Sandra Svanidzaitė | Prof. dr. Albertas Čaplinskas | |
Gediminas Gricius |
Development of a multi-agent based methods for integration of small-scale embedded systems |
Prof. dr. Dalė Dzemydienė |
Pavel Stefanovič |
Visualization of self-organizing maps and estimation of their quality |
Doc. dr. Olga Kurasova |
Irina Vinogradova | Prof. habil. dr. Jonas Mockus |
Computer Engineering
Name, surname |
Dissertation title |
Supervisor |
Jolanta Miliauskaitė |
A fuzzy inference-based approach to planning quality of enterprise business services |
Prof. dr. Albertas Čaplinskas |
Nerijus Galiauskas | Prof. dr. Julius Žilinskas | |
Olegas Niakšu |
Development and application of data mining methods in medical diagnostics and healthcare management |
Doc. dr. Olga Kurasova |
Joana Katina |
Investigation of prediction problems by the virtual stock exchange |
Prof. habil. dr. Jonas Mockus |
Mathematics
Name, surname |
Dissertation title |
Supervisor |
Kęstutis Janulis |
Mixed joint universality for Dirichlet L-functions and Hurwitz type zeta-functions |
Prof. habil. dr. Antanas Laurinčikas |
Jovita Atstopienė |
Discrete universality theorems for the Riemann and Hurwitz zeta-functions |
Prof. habil. dr. Antanas Laurinčikas |
Raimondas Malukas | Prof. habil. dr. Rimas Norvaiša | |
Erikas Karikovas | Prof. dr. Ramūnas Garunkštis | |
Vaidotas Characiejus |
Asymptotic behaviour of long memory functional linear processes |
Prof. habil. dr. Alfredas Račkauskas |