Kvalifikační práce
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Zobrazují se záznamy 921-940 z 11244
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Throughput optimization of a multistage data visualisation pipeline
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023Recent technological advances allowed vast increases of the size of datasets acquired by flow cytometry. With more cells and features captured, manual exploration and analysis of the data become challenging; multiple ... -
Kampa: from a prototype to practical usability
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 6. 9. 2023Kampa is an experimental general-purpose imperative programming language influ- enced by functional programming. While Kampa offers several potentially useful features, its usability is limited by some properties of its ... -
Efektivita centralizovaného plánování křižovatek
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023Vehicle navigation on roads is a complex problem that will probably be solved by using artificial intelligence in key roles. Today, there are cars capable of autonomous driving, but they are dependent on an old infrastructure ... -
Free boundary problems
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 8. 9. 2023This thesis deals with the one-phase Bernoulli problem, focusing on the existence and regularity of its solutions. After establishing the necessary preliminary theory on function spaces and convergence in the first chapter, ... -
Algoritmy pro Minkowského součet mnohoúhelníků
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 12. 9. 2023This bachelor's thesis deals with the Minkowski sum of two non-convex polygons in the plane. Specifically, it focuses on describing and comparing two methods for computing the Minkowski sum: the decomposition method and ... -
XL-zaistenie pre viacero línií
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 8. 9. 2023This paper focuses on simulation modeling of the total aggregate reinsurer claim S when considering XL.reinsurance for multiple insurance lines. In the first part, this re- insurance structure is defined. In the second ... -
Permutační grupy a míchání karet
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023In this thesis we solve an old problem, named after the magician and mathematician Alex Elmsley, of raising a card to the top of the deck using faro shuffles. Furthermore we examine the group structure generated by these ... -
Modeling atomic nuclei using supercomputers for precision tests of the Standard model
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023One of the most important problems of modern theoretical nuclear physics is to accu- rately determine the structure of atomic nuclei. To obtain results that are in agreement with experimental data, one needs to solve the ... -
Modely pre finančné časové rady a ich softvérová implementácia
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis deals with financial time series models and their implementation in soft- ware products. The theoretical part of the thesis includes a description of the volatility models ARCH, GARCH, IGARCH, ARCH-M, GARCH-M, ... -
Testy nezávislosti pro funkcionální data
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis deals with tests of serial independence for functional time series. The first part of the thesis introduces the issue of serial independence in time series of random vari- ables. The second part focuses on tests ... -
Statistical inference in varying coefficient models
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023In this master thesis we study varying coefficient models, which is a class of models that allow the coefficients to be smooth functions of some effect-modifying variable. We introduce the models in a broader context and ... -
Teplotně indukovaná rekonstrukce bimetalického katalyzátoru na bázi Pt-Cu pro palivové články
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023Fuel cells appear as a promising technology, enabling the replacement of internal combustion engines in the automotive industry. Hydrogen fuel cells with a polymer membrane are particularly suitable for this application. ... -
Magnetic fields of current loops around black holes
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 1. 9. 2023We summarize and explain the mathematical procedure that allows us to find the closed form of the magnetic field generated by a test current loop in Kerr spacetime. We consider axisymmetric placement of the loop for all ... -
Velká dimenze vysvětlujících proměnných v regresních problémech
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023This thesis deals with asymptotic properties of least squares estimators of regression coefficients of linear models with a large dimension of regressors. Particularly, consistency and asymptotic normality are investigated. ... -
Lineární terahertzová odezva polovodičových nanostruktur
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023In this work we study an interaction between electrons in Dirac points and terahertz electromagnetic radiation. First, we find eigenstates of the effective hamiltonian in Dirac points. Then we introduce the interaction ... -
James-Steinův odhad
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 7. 9. 2023In this thesis, we will introduce the James-Stein estimator, we will study its properties and compare them with other estimation methods. We will explain, what is admissibility of an estimator and figure out if our estimators ... -
Structural aspects of graph coloring
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 9. 5. 2023In this thesis, we study the structural and algorithmic properties of graphs embedded or represented in surfaces and with constraints on their faces or cycles. We derive tools to quantify properties of embedded flows and ... -
Simulace zemětřesení Tottori (Mw 6.1) z r. 2016 pomocí dynamického modelu zdroje
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 5. 9. 2023We perform a parametric study for simple elliptical dynamic models of rupture propa- gation. We simulate the earthquake from the central part of Japanese prefecture Tottori in 2016 using a code for a simulation of the ... -
Study of the solar wind multicomponent structure and its variations in interaction regions
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)Datum obhajoby: 30. 9. 2022The solar wind is a multicomponent plasma consisting of protons, electrons, and smaller amounts of heavy ions. Often, two proton populations moving different speeds occur simultaneously. The more abundant one is called the ... -
Ultra-weak photon emission from biological samples
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2023)Datum obhajoby: 4. 9. 2023Oxidative processes are an inseparable part of the life of almost all living organisms. They help to maintain homeostasis but they can also stand behind various dysfunctions or diseases. Therefore, an effective method for ...