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Generácia vysokých harmonických frekvencií v kryštalických materiáloch
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 14. 9. 2023The interaction of intense ultrashort laser pulses with materials in the strong field regime of nonlinear optics enables the study of electron excitations with high temporal resolution. In this thesis, we focus on the ... -
Beta-Ti alloys for medical applications
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 26. 9. 20231 Title: Beta-Ti alloys for medical applications Author: Dalibor Preisler Department / Institute: Department of Physics of Materials Supervisor of the doctoral thesis: doc. PhDr. RNDr. Josef Stráský, Ph.D., Department of ... -
Charge transport in semiconductors
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 27. 9. 2023This thesis is focused on the study of charge transport in semiconductors. Monte Carlo simulation is combined with the numerical solution of the coupled drift-diffusion equation with Poisson's equation. These numerical ... -
Powder Metallurgy of Hybrid Materials for Advanced Applications
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 26. 9. 2023Powder Metallurgy of Hybrid Materials for Advanced Applications The field-assisted sintering technology (FAST) is a versatile powder consolidation method, which uses electrical current for rapid heating of the sintered ... -
Advanced Monte Carlo methods in Image Synthesis
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 19. 9. 2023Monte Carlo (MC) integration is an essential tool in many fields of science. In image synthesis, it has enabled photorealistic rendering results via physically based light trans- port simulation. However, an inherent problem ... -
Ekvidekomposabilita
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 14. 9. 2023Title: Equidecomposability Author: Matyáš Valkoun Department: Department of Mathematics Education Supervisor: Mgr. Zdeněk Halas, DiS., Ph.D., Department of Mathematics Education Abstract: This bachelor thesis focuses on ... -
Generování harmonických frekvencí svazku pikosekundového vysokovýkonového laseru
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 14. 9. 2023This work is dedicated to the generation and characterization of beams of harmo- nic frequencies of the Perla C-100 laser. In the theoretical part, coupled wave equations are derived with application to the generation of ... -
Generating synthetic data for an assembly of police lineups
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 30. 10. 2023Eyewitness identification plays an important role during criminal proceedings and may lead to prosecution and conviction of a suspect. One of the methods of eyewitness identification is a police photo lineup when a collection ... -
Advective transport between atmospheric layers
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 11. 9. 2023The transport in the middle atmosphere is controlled by the global-scale Brewer-Dobson circulation. Advective transport is an important component of the Brewer-Dobson circulation. Using the transformed Eulerian mean framework ... -
Neaditivní mezimolekulární interakce
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023Non-additive intermolecular interactions, involving three or more molecules, present a significant challenge in accurately predicting molecular behaviour and properties of materials. These interactions, characterized by ... -
Demonstrační souprava pro výuku elektrických obvodů
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 22. 6. 2023The aim of the bachelor's thesis is to develop a demonstration kit for teaching electrical circuits at lower secondary school. The thesis briefly discusses the necessary parameters of the demonstration set depending on the ... -
Bezpečné sdílené počítání modulo p^k
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 12. 9. 2023The thesis deals with a subfield of cryptography called secure multi-party computation which is a technique that allows multiple parties to work together to compute a single function while preserving the privacy of it's ... -
Konceptuální modelování pomocí schematických kategorií
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023This thesis concerns the development of a graphical application for conceptual modeling of database schemas without prior knowledge of the target database paradigm. The purpose of a conceptual model is to allow describing ... -
Truncated marked processes
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis explores the use of marked stochastic processes in the context of delayed reporting of claims in non-life insurance. The focus is on estimating the intensity of the claim occurrence process using the ν-transform ... -
Algorithms for Multi-Agent Pickup-and-Delivery Problems
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023In this thesis, we explore the world of Multiagent pickup and delivery algorithms. Basic definitions, as well as simple extensions, are introduced to the reader. State-of-the- art algorithms are thoroughly described, ... -
Diskrétní sekvenční hry s náhodnými výplatami
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023In our thesis we consider games with random payoff as a generalizations of the stan- dard concept of games in the game theory. We discuss possible optimality conditions for these types of games. In one of these approaches ... -
Symmetric terms
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023In this thesis, we study symmetric relations and affine symmetric subspaces of Z ([n] k ) p . The thesis is divided into three parts. In the first part, we provide the basic definitions and facts that are needed in the ... -
Properties of integral operators on Orlicz spaces
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 8. 9. 2023Working with function spaces in various branches of mathematical analysis introduces optimality problems, where the question of choosing a function space both accessible and expressive becomes a nontrivial exercise. A good ... -
Automatic inflection in Czech language
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023This thesis focuses on the task of automatic morphological inflection of Czech nouns, specifically in out-of-vocabulary (OOV) conditions (inflecting previously unseen words). We automatically extracted a large dataset suit- ... -
Orbital dynamics around a black hole surrounded by matter
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis studies the dynamics of geodesic motion within a curved spacetime around a Schwarzschild black hole, perturbed by a gravitational field of a far axisymmetric dis- tribution of mass enclosing the system. This ... -
Aplikácia pre správu kolekcií mapových objektov
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023The main goal of this thesis is to design, implement and test a web application that is used for searching and managing map objects. The application is inspired by successful projects such as Google Maps, OpenStreetMap and ... -
Minion Cores of Clones
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023This thesis provides a classification of the minion homomorphism preordering and minion cores within a class of multi-sorted Boolean clones. These clones can be described as those clones defined on the set {0, 1}k = {0, ... -
Hluboké učení pro řešení diferenciálních rovnic
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 13. 9. 2023Neural networks are becoming an ever more prominent method in the field of differen- tial equations. Their use is embodied in the concept of physics-informed neural network (PINN), which combines a traditional deep neural ... -
Simulations of the organic-molecular ordering on the solid surfaces using pair potentials
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 13. 9. 2023Organic molecules on a flat, unreactive, periodical surface self-assemble to ordered superstructures. The superstructures can be used to selectively tune the properties of the surface. This problem can be studied using ... -
Log-optimální přístup při sázení, složené jevy
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023In this Thesis we deal with the log-optimal betting approach. The goal is to maximize the gambler's wealth in the long term. In the course of the Thesis, we will work our way from the basic cases to a completely general ... -
Efficient representation of k-mer sets
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023In this thesis we explore and compare various methods for efficient k-mer set representation. We evaluate traditional de Bruijn graph representation techniques against greedy approximation algorithms for the Shortest ... -
Optimal function spaces in weighted Sobolev embeddings with monomial weight
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 12. 9. 2023In this thesis we study a weighted Sobolev-type inequality for functions from a certain Sobolev-type space that is built upon a rearrangement-invariant space. Considered rear- rangement-invariant spaces are defined on the ... -
Železnice ve výuce fyziky
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023The bachelor thesis presents railway phenomena and technical applications through grammar school physic. The underlying physical principles are easily visible to the ordinary eye when travelling by train. These phenomena ... -
Nástroj pre konceptuálne modelovanie multi-modelových dát
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023A tool for conceptual modelling of multi-model data Abstract Richard Hvizdoš 8 May 2023 The aim of the bachelor's thesis is to create a tool that supports modeling in the UML and the newly created categorical model (CAT), ... -
2D tahová hra v Unity s prvky procedurálního generování
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023The thesis focuses on the development of a 2D turn-based game in Unity, from the creation of a design document to the completion of its implemen- tation. We are analyzing the important elements of the game genres of ... -
Autonomní navigace v jednoduchém terénu
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023An important ability for light terrain outdoor navigation of an UGV (Un- manned Ground Vehicle) is traversability detection. We focus on creating an evaluation layer for move_base package, which is part of ROS (Robot ... -
Optical scanning profilometer
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023 -
Evoluce robotů v simulovaném fyzikálním prostředí
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023This work introduces a system for designing and evaluating experiments with evo- lutionary algorithms in 3D-simulated physical environments of the MuJoCo library. Ex- periments allow to develop the control and morphology ... -
Konstrukce strategií pro multi-agentní hledání cest
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023The thesis deals with the Multi-Agent Path Finding problem. The task is to find for each agent a path from its current location to its destination in such a way that agents will not collide. A novel approach to solving ... -
Orientace vektorového prostoru
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023In this thesis, we focus on creating a visual understanding of orientation of a real vector space and its subsequent connection to the mathematical definiton. As a result, this thesis can be used as supplementary material ... -
Fast hash-based signing protocol for message stream authentication
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023Security of the data streaming over Internet becomes a challenge if re- quirements such as post-quantum-capable cryptography and complete de- centralisation must be addressed. This thesis develops a connection-less, ... -
Simulace a měření mikrokanálkového fotonásobiče (MCP-PMT) ošetřeného depozicí ochranné atomové vrstvy (ALD)
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023Time detectors will form a fundamental component in the further develop- ment of detection devices, not only in high-energy physics. The MicroChannel Plate PhotoMultiplier (MCP-PMT) is a very fast (and very expensive) ... -
Detection of quantized vortices in the zero temperature limit using silicon/superconducting microwires
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 13. 9. 2023In this Thesis, we have characterized and used Microscopic Electrical Mechanical Oscillators (MEMS) in the study of quantum turbulence. Experiments were conducted in the temperature range of 20-920 mK in vacuum in various ... -
A study of dynamically bounded triple systems
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 13. 9. 2023Hierarchical triple stars consist of two stars orbiting each other on a close orbit and a third, more distant star. This is the only observed dynamically stable configuration of triple systems. The third star needs to be ... -
Graphlets in Complex Networks
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023Analyzing the characteristics of complex networks is a principal task of network sci- ence. In this thesis, we study graphets, small induces subgraphs rooted in a vertex, as a tool to describe and compare networks. First, ...