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Zobrazují se záznamy 921-960 z 11424
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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, ... -
Security of Trapdoor Permutations under Preimage Leakage
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 12. 9. 2023This thesis explores preimage leakage-resilient trapdoor permutations (PLR-TDPs) and their applications in proofs of storage replication and incompressible encodings. The thesis consists of three chapters covering the ... -
Mikrostruktura a vlastnosti tenkých vrstev multiferroických komplexních oxidů připravených pomocí metody pulzní laserové depozice
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 28. 6. 2023Title: Microstructure and properties of multiferroic complex oxide thin films prepared by pulsed laser deposition method Author: Petr Machovec Department: Department of Condensed Matter Physics Supervisor: RNDr. Milan ... -
Node-attributed community detection
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023Complex systems surround us in our everyday lives and their understanding can bring crucial insights into many fields. These systems consist of components (also known as communities) tied together. This thesis focuses on ... -
Interaktivní program pro podporu studia Lagrangeova a Hamiltonova formalismu teoretické mechaniky
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023 -
Navigace skupiny jednotek v RTS hrách za pomoci toků v sítích nad flow field oblastmi
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023This thesis explores the challenges of implementing effective navigation for groups of units in real-time strategy computer games, specifically focusing on the movement of large numbers of homogeneous units across a ... -
Unsupervised segmentation of Gregorian chant melodies for exploring chant modality
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023Gregorian chant, as an oral musical tradition, was performed by singers that had to memorize thousands of melodies. Each melody has a set of properties, one of which is what mode it belongs to within the modal system. To ... -
Feature preserving triangle mesh fairing
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023In this thesis, we address the problem of smooth interpolatory subdivision of triangle meshes. This problem is more challenging than general smooth subdivision as the original vertices of the mesh cannot be moved to produce ... -
Alternativní algoritmus stavby SSA formy pro GCC
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023SSA form is a very important concept in compiler internal code representa- tion. Φ-functions are an integral part of SSA form. Braun, Buchwald, Hack, Leißa, Mallon and Zwinkau introduce a new algorithm for SSA construction ... -
Methods of User-Assisted Summarization of Meetings
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023Automated minuting, or meeting summarization, is the task of accurately capturing the contents of a meeting in a short text or in bullet points. Recently, a lot of progress has happened in this area, largely due to the ... -
Heuristics for Length Bounded Cuts
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 11. 9. 2023This thesis deals with the problem of finding a minimum length-bounded cut in a graph. We first provide a brief overview of the problem and its applications. We then discuss the known theoretical results and approximation ... -
Comparative Markov state analysis of APOE protein dynamics by neural networks
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis leverages the CoVAMPnet neural network architecture to analyze the dy- namics of apolipoprotein E (APOE), a protein involved in the development of Alzheimer's disease. CoVAMPnet offers a versatile machine ... -
Multilingual Multimodal Detection of Humour in Stand-Up Comedy
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023This thesis focuses on the multimodal and multilingual detection of humor in stand- up comedy videos. A novel multilingual dataset was collected, primarily targeting the Russian language, to address the lack of specific ... -
K rozkladu křivosti v cirkulárních prostoročasech
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023Calculation of scalars obtained from the Riemann curvature tensor in co- ordinate components is not always efficient, this is true even in very simple spacetimes. Firstly, the calculation is not intuitive and secondly, ... -
Fázové transformace v hliníkových slitinách typu AlEr(Sc)
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 13. 9. 2023The effects of Sc addition, different Er concentrations and deformation on phase transitions in Al(-Sc)-Er-Zr alloys were studied. Three distinct processes were identified during isochronal annealing in all of the alloys ... -
Delta metoda a její zobecnění
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023The goals of this thesis are various generalizations of the classical delta theorem, in which the advantage is that we can separately investigate the analytical properties of transformation of the estimate, and independently, ... -
Studium elektronových přeskoků v systému konjugovaných molekul metodami kvantové mechaniky.
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023In this thesis the electron hopping of selected heterocyclic compounds and selected carotenoids was studied using QM/MM simulations of excited states dynamics. Tully electron hopping and semiempirical methods OMx in ... -
Spectrum problem
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023In this thesis we present the notion of a spectrum of a first-order sentence, including several theorems linking it to computational complexity theory and well-known open problems of Scholz and Asser. We show that there ...