Asteroids are the most numerous group of bodies in our Solar System. However, our observations are limited because of their size and distance. Occultations allow us to determine the shape and size of even the smaller ...

We study the extension of methods from classical survival analysis to competing risks. These methods can be used to analyse time-to-event data. Firstly, we establish notation, define fundamental concepts and present basic ...

This work discusses electromagnetic fields around Kerr black hole. We extend prior work by finding a new source term - a non-axial current loop. We analyze this solutions behaviour. We also discuss in detail the Meissner ...

The subject of the thesis is the estimation of the parameters of the Hull-White model. The formula for the time-dependent parameter θ is derived. The constant parameters α and σ are first calibrated on the prices of the ...

Stochastic optimization relies heavily on scenario generation, which has a large impact on the tractability of optimization methods and the quality of obtained solutions. Despite its importance, scenario generation for ...

Stochastic cooperative games - abstrakt (EN) Bc. David Ryz'ak May 2024 This thesis explores stochastic cooperative games, viewed here as cooperative games with a stochastic characteristic function, representing a generalization ...

Algebraic cryptanalysis is a standard set of techniques for analyzing and attacking practical symmetric cryptographic primitives. It involves representing the relationship between a pair of plaintext, ciphertext and the ...

We develop a method to train a document embedding model with an unlabeled dataset and low computational resources. Using teacher-student training, we distill SBERT's capacity to capture text structure and Paragraph Vector's ...

The aim of this thesis is to present some semiparametric methods used for estimating an unknown regression function. All approaches are based on a minimization of an ob- jective function, which is formulated as the sum of ...

Currently, Large Language Models are increasingly more successfully in open domain, being able to interact in a large number of tasks. But tasks and languages more sparsely represented in data the models where trained on ...

It can be shown that linear transformations of logarithm are the only utility functions whose optimal portfolios do not depend on numeraire. This thesis focuses on maximiza- tion of expected logarithmic utility of a general ...

We present a grammatical error correction system for correcting the Czech language. The system is based on the neural machine translation approach. We utilize the Trans- former architecture, which depends on a large amount ...

In deep learning, summarization models are traditionally trained using a maximum like- lihood objective with reference summaries. Another line of work explores self-supervised approaches that do not require and are not ...

In this thesis, the use of cross-validation methods in different areas of statistics is studied. Firstly, the application of leave-one-out cross- validation, CV(1), for bandwidth selection in kernel density estimation and ...

The master thesis deals with high-frequency time series that have only positive values. These time series are modeled with Multiplicative error models (MEMs). The basic MEM models include the ACD model and LACD model. In ...

This thesis deals with the analysis and numerical study of the domain decomposi- tion method based preconditioner for algebraic systems arising from the discontinuous Galerkin (DG) discretization of the linear elliptic ...

This thesis focuses on the problem of silent error detection in the pipelined predict- and-recompute conjugate gradient (Pipe-PR-CG) algorithm, a pipelined Krylov subspace method for solving linear systems with a symmetric ...

This thesis presents a model-independent method for evaluating the volume integrals of velocity perturbation sensitivity kernels using helioseismic travel-time measurements. By injecting a controlled longitudinal flow into ...

In this thesis, we studied phase transformations, microstructure, and mechanical properties of two newly designed alloys, Zr-4Sn-1Cr and Zr-4Nb-2Al (in wt%). Phase transformations were investigated, employing differential ...

Galaxies are some of the largest structures in the Universe, but there is still much about them that we do not know, including the role of environment in their evolution. To study them we employ a wide range of observational ...

This thesis aims to study the Navier-Stokes-Fourier problem with the entropy equa- tion. In particular, we want to define the notion of a solution and prove its existence. We approach this problem by modifying techniques ...

The goal of this thesis is to study the extension of Sobolev homeomorphisms. Our main result is the extension of Sobolev homeomorphisms (between Lipschitz domains) to the neighbourhood of the boundary in a general d-dimensional ...

In this thesis, we investigate the properties of horizons appearing in the most general black-hole electrovacuum solution of algebraic type D. Firstly, we analyze the completely general type D solution, found by Debever, ...

The interaction of swift electrons with matter is used to study and image the struc- ture of materials in the field of electron microscopy and diffraction. One particular form of this interaction is the emission of a photon ...

This thesis uses the phenomenon of the Siegert states and the R-matrix approach to analyze quantum scattering. The main task of the work is to implement the multichannel R-matrix method and test it on model potentials ...

This thesis explores the phenomenon of BYOD and its use within educational environment. It includes an analysis of the phyphox application, and details its use in teaching physics both internationally and locally. Additionally, ...

Performance studies of the tracking detector and measurement of collider neutrinos with FASER Bc. Samuel Zahorec May 2024 Abstract FASER started its operations in 2022 as one of the newest experiments at CERN. The main ...

Vizuální kontrola palivových souborů je nezbytná pro identifikaci anomálního chování spojeného s jejich stavem a budoucím použitím. Jedním z možných nálezů jsou cizí před- měty zachycené na distanční mřížce, které mohou ...

Tato bakalářská práce se zabývá interakcí molekul vody s oxidem ceričitým, který je díky své schopnosti ukládání a uvolňování kyslíku široce využíván v oblasti nanomedicíny, katalýzy a životního prostředí. Přestože byl v ...

This work focuses on selected results in the field of combinatorial game theory. Standalone chapters are dedicated to the descriptions of the optimal strategies for the games of Nim and Checkers. However, a major part of ...

Tobias Rittig Optimization Techniques in Computer Graphics and Appearance Fabrication Optimization, the process of improving an intermediate solution, has been applied in numerous fields of computer science and beyond. ...

Widespread adoption of advanced energy technologies, such as proton- exchange membrane fuel cells (PEMFCs), relies on the development of efficient and durable catalysts for oxygen reduction reaction (ORR). Given its unique ...

Within this Ph.D. project, we have developed and validated a modeling methodol- ogy for the evaluation of the influence of friction in regional and global models of tidal deformation in icy bodies. We focus on the role of ...

Title: Data mining in social network analysis Author: Mgr. Peter Zvirinský Department: Department of Theoretical Computer Science and Mathematical Logic Supervisor: doc. RNDr. Iveta Mrázová CSc., Department of Theoretical ...

Magnetic nanoparticles of iron oxides, particularly those of ferric oxides, magnetite, substituted variants, including functional derivatives, have attracted significant interest because of promis- ing capabilities in ...

Práce představuje hlavní výsledky naší společné práce s vedoucím mé práce na aproximacích modulů, s primárním důrazem na třídu plochých relativně Mittag-Lefflerových modulů, Zariského lokalitu kvazikoherentních svazků spo- ...

Tato práce se zaměřuje na syntézu a charakterizaci nové skupiny fluoridových py- rochlorů typu AA′ B2F7: NaCdB2F7 (B = Mn, Fe, Co, Ni, Cu, Zn) predikované po- mocí vypočítaného tolerančního faktoru pro pyrochlorovou ...

Molecular electronics is a field investigating transport and transport induced phenom- ena on the one of the smallest functional circuit components - molecules. In this work, we explore the effect of electronic structure ...

This thesis is focused on a detailed investigation of the optically induced quench switching effect in different films of antiferromagnetic CuMnAs. The quench switching effect was recently discovered to be highly reproducible ...

Short Abstract This thesis focuses on the complexity of the promise version of Constraint Satisfaction Problem (CSP) and its variants. The first study concerns the Promise Constraint Satisfaction Problem (PCSP), which ...

Graph pattern matching queries enable flexible graph exploration, similar to what SQL provides for relational databases. In this thesis, we design and improve key compo- nents of a distributed in-memory graph querying ...

From the onset of AI research, games have played an important part, serving as a benchmark for progress in artificial intelligence. Recent approaches using search in combination with learning from self-play have shown ...

Most mainstream web mapping applications implement location-based direction search. The typical workflow involves constructing an explicit sequence of places to visit. In this thesis, we aim to develop a web application ...

In this thesis we formalize Zhuk's decision algorithm solving in p-time tractable con- straint satisfaction problems (CSPs) in a weak theory of bounded arithmetic W1 1 . As a consequence, we show that tautologies that ...

The goal of the thesis is to develop a program that enables the control of multiple computers from a single workstation using a unified set of input devices. The program comprises a control application for Windows OS and ...

This thesis discusses loci of points. The thesis is constructed as a website which should assist mathematic education in primary schools and especially high schools. The thesis revises loci of points, which is taught in ...

The 6D pose estimation is an important computer vision task with applications in robotics, e.g. for manipulation or grasping, but also in computer graphics and augmented reality. Given an image, the task is to estimate the ...

In this thesis, we investigate the application of pretrained Deep Neural Networks, par- ticularly Vision Transformers (ViT), for predicting human fMRI activity in response to visual stimulation. The Algonauts Challenge ...

We explore the capability of evolution strategies to train a transformer architecture in the reinforcement learning setting. We perform experiments using OpenAI's highly parallelizable evolution strategy and its derivatives ...