Poslední příspěvky

Zobrazují se záznamy 1621-1680 z 11424

  • Track reconstruction at the NA62 experiment 

    Výsledek obhajoby: OBHÁJENO
    Lelák, Michal (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    The NA62 experiment at CERN represents leading physics research of rare kaon de- cays. The aim of NA62 is to measure the rate of the decay K+ → π+ νν. Any significant discrepancy between the measured decay rate and the ...
  • Konceptuální úlohy podporující výuku mechaniky metodou Peer Instruction 

    Výsledek obhajoby: OBHÁJENO
    Weissgráb, Lukáš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    Title: ConcepTests supporting the teaching of mechanics using the Peer Instruction method Author: Lukáš Weissgráb Department: Department of Physics Education Supervisor: RNDr. Petr Kácovský, Ph.D., Department of Physics ...
  • Approximation of functions continuous on compact sets by layered neural networks 

    Výsledek obhajoby: OBHÁJENO
    Fojtík, Vít (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    Despite abundant research into neural network applications, many areas of the under- lying mathematics remain largely unexplored. The study of neural network expressivity is vital for understanding their capabilities and ...
  • Predpovedanie úmrtnosti: Vybrané poistnomatematické aplikácie 

    Výsledek obhajoby: OBHÁJENO
    Hric, Patrik (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    This thesis deals with calculation of solvency capital requirement for life longevity risk. We start with defining selected demographic terms. Afterwards we introduce some stochastic mortality models, namely Lee-Carter and ...
  • High-temperature oxidation of selected complex concentrated alloys 

    Výsledek obhajoby: OBHÁJENO
    Jača, Eliška (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 9. 6. 2022
    The increasing industry demands give rise to a continuous call for materials with an improved combination of mechanical and oxidation properties. Recently developed Complex concentrated alloys - alloys consisting of multiple ...
  • Spektrální a distorční míry rizika 

    Výsledek obhajoby: OBHÁJENO
    Kočandrle, Erik (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    In this thesis we define risk measures as a way of quantifying the risk of an invest- ment and we formulate their essential properties, focusing mainly on coherency. Then we define the notions of admissible spectrum and ...
  • Skorochodova věta o reprezentaci 

    Výsledek obhajoby: OBHÁJENO
    Paulová, Nikol (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    We know that almost sure convergence of random variables implies their convergence in distribution. Are there any conditions that would allow us to obtain al- most sure convergence from convergence in distribution? The ...
  • Evaporation of simple and complex fluids at different surface wettability 

    Výsledek obhajoby: OBHÁJENO
    Májek, Juraj (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 9. 6. 2022
    In this work, we investigate the evaporation dynamics of sessile droplets in two scenarios: (i) droplets evaporating on Teflon plasma polymer coated sur- faces, exhibiting anomalously long evaporation lifetime for their ...
  • Utilization of brain connectivity in classification and regression tasks in brain data 

    Výsledek obhajoby: OBHÁJENO
    Řežábková, Jana (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    This thesis investigates how incorporating progressive amounts of struc- tural information into machine learning models affects their accuracy in dis- criminating schizophrenia from functional connectivity matrices obtained ...
  • Geometric approach to externally driven quantum systems 

    Výsledek obhajoby: OBHÁJENO
    Střeleček, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    The theory of quantum driving of parametric driven Hamiltonians is presented and reformulated using the language of differential geometry. The general fidelity driving in a two-level Hamiltonian system is then analyzed ...
  • Vektorová autoregresia 

    Výsledek obhajoby: OBHÁJENO
    Jelenčiak, Jakub (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    Vector autoregression model VAR belongs to the most used multiple time series models mainly in field of financial econometrics. The main role of this text is to survey basic theory of VAR models and to illustrate application ...
  • Hledání excitovaného tau-leptonu na experimentu ATLAS 

    Výsledek obhajoby: OBHÁJENO
    Krsek, Kryštof (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    Nowadays, Standard Model is describing leptons as final-state components, inclu- ding tau-leptons. Nevertheless we want to improve this model of particle physics and discover new physics beyond this model. These efforts ...
  • Vývoj experimentálních stanovišť pro novou koncepci tématu Optika v Interaktivní fyzikální laboratoři I 

    Výsledek obhajoby: OBHÁJENO
    Kopřiva, Tomáš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    The main goal of this thesis is to create five experimental units and worksheets for an experimental set called Optics: Qualitative approach in the Interactive Physics Laboratory - a project of the Department of Physics ...
  • Fyzikální programy pro mateřské školy - podpůrné materiály pro učitele 

    Výsledek obhajoby: OBHÁJENO
    Bláhová, Jitka (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    The main goal of this thesis is to make it easier for preschool teachers to introduce physics to children of preschool age. A supporting methodological material with instructions for physics experiments for preschool ...
  • Vlastnosti farebných centier v diamante študované metódami femtosekundovej laserovej spektroskopie 

    Výsledek obhajoby: OBHÁJENO
    Streshkova, Neli (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    In this work, we focus on the interaction of SiV color centers in diamond with femtose- cond light pulses. In the theoretical part, a script is developed to simulate the experimen- tal varying stripe length method and the ...
  • Comparison of iterative matrix methods for information retrieval 

    Výsledek obhajoby: OBHÁJENO
    Hercík, Jakub (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    This thesis describes the topic of information retrieval and introduces iterative matrix algorithms useful in this context - the Lanczos algorithm used in latent semantic index- ing and the Golub-Kahan-Lanczos bidiagonalization. ...
  • Magneto-optika s vysokým prostorovým rozlišením 

    Výsledek obhajoby: OBHÁJENO
    Chudoba, Filip (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
  • Models of bounded arithmetic 

    Výsledek obhajoby: OBHÁJENO
    Narusevych, Mykyta (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    We study mutual relations of various versions of the pigeonhole principle over bounded arithmetic theory T1 2 (R). The main two variants are the ordinary ontoPHPn+1 n (R), formalizing that R is not the graph of a bijective ...
  • Multiplatformní 2D herní framework 

    Výsledek obhajoby: OBHÁJENO
    Zeman, Tomáš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    One of the most useful tools for game development is a game framework. It is usually a complex software which offers abstraction of game components such as rendering, physics, sound, user input or AI. The goal of this ...
  • Atom vodíku na vysokoškolské a středoškolské úrovni 

    Výsledek obhajoby: OBHÁJENO
    Legerská, Jana (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    This master thesis is focused on teaching the hydrogen atom on a university and high school level. The objective of this thesis is to compare ap- proaches to hydrogen atom in available university study materials. Based on ...
  • Rovnoměrně urychlené souřadnice 

    Výsledek obhajoby: OBHÁJENO
    Voldřich, Jakub (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    A coordinate system can severely impact the difficulty of computations of a given problem. The uniformly accelerated coordinates are well-suited for a description of uni- formly accelerated motions. It is usually the primary ...
  • Jet substructure at Future Circular Collider (FCC) 

    Výsledek obhajoby: OBHÁJENO
    Petrů, Tadeáš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 9. 6. 2022
    Title: Jet substructure at Future Circular Collider (FCC) Author: Tadeáš Petrů Department: Institute of Particle and Nuclear Physics Supervisor: Mgr. Jana Faltová, Ph.D., Institute of Particle and Nuclear Physics Abstract: ...
  • Sčítací metody 

    Výsledek obhajoby: OBHÁJENO
    Berkman, Pavel (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    In the given thesis, we study limiting (summation) methods. The problems are divided into two main groups, the first one focusing on elementary limiting methods, and the second one dealing with methods which generalise ...
  • Generalized Method of Moments 

    Výsledek obhajoby: OBHÁJENO
    Volejníková, Viktorie (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    The topic of this bachelor thesis is the Generalized Method of Moments (GMM), its asymptotic properties, and its implementations. The first chapter briefly introduces the moment conditions and the Method of Moments (MM) ...
  • Růst fotonických monokrystalů metodou zonální tavby 

    Výsledek obhajoby: OBHÁJENO
    Zajíc, František (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    Photonic single crystals have important industrial application as laser gain mediums or scintillation detectors. Nowadays, photonic single crystals are industrially grown exclusively by the Czochralski method, laboratory ...
  • Coxův model s intervalově cenzorovanými daty 

    Výsledek obhajoby: OBHÁJENO
    Štarmanová, Petra (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 8. 6. 2022
    Survival analysis typically deals with censored data. This thesis focuses on interval- censored data, which are common in medical studies. We present regression models for analysing interval-censored data with emphasis on ...
  • Beta regression 

    Výsledek obhajoby: OBHÁJENO
    Štěpán, Marek (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 8. 6. 2022
    The thesis deals with a beta regression model suitable for analysing data whose range of values is the interval (0, 1). The model assumes a conditional beta distribution for the response given covariates, and its structure ...
  • Lipschitz Free Spaces and Subsets of Finite-Dimensional Spaces 

    Výsledek obhajoby: OBHÁJENO
    Bíma, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 13. 6. 2022
    The present thesis is devoted to the geometry of Lipschitz free p-spaces Fp(M) over subsets of finite-dimensional vector spaces, where 0 < p ≤ 1. We solve an open problem and show that if M is an infinite subset of Rd ...
  • Models for Forecasting Interest Rates with Application to Bond Portfolio Immunisation 

    Výsledek obhajoby: OBHÁJENO
    Vaňková, Kateřina (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 8. 6. 2022
    Title: Models for Forecasting Interest Rates with Application to Bond Portfolio Immunisation Author: Kateřina Vaňková Department: Department of Probability and Mathematical Statistics Supervisor: doc. RNDr. Ing. Miloš Kopa, ...
  • Subfields of number field extensions and quadratic forms 

    Výsledek obhajoby: OBHÁJENO
    Doležálek, Matěj (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    A number of recent results give constructions of totally real number fields of specific degrees that do not admit universal quadratic forms of small rank. Given a totally real number field L that is known to have a certain ...
  • H-compactifications of topological spaces 

    Výsledek obhajoby: NEOBHÁJENO
    Tížková, Tereza (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    H-compactifications form an important type of compactifications, carrying the ex- tra property that all automorphisms of a given topological space can be continuously extended over such compactifications. Van Douwen proved ...
  • Mozkem inspirované přístupy v kvantové fyzice 

    Výsledek obhajoby: OBHÁJENO
    Menšíková, Jana (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    Artificial neural netwokrs have proven to be a powerful tool with applications in various fields: from data processing and optical character recognition to traffic control or prediction of dynamic systems evolution. Recently, ...
  • Průměrování modelů 

    Výsledek obhajoby: OBHÁJENO
    Trusina, Filip (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 8. 6. 2022
    The thesis aims to describe the method of model averaging and the construction of confidence intervals for dose estimation within the method MCP-Mod that is used for modeling the dose-response relationship. We define the ...
  • Ultrarychlá dynamika nosičů náboje ve 2D materiálech 

    Výsledek obhajoby: OBHÁJENO
    Koutenský, Petr (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    Title: Ultrafast dynamics of charge carriers in 2D materials Author: Bc. Petr Koutenský Department: Department of Chemical Physics and Optics Supervisor: RNDr. Martin Kozák, Ph.D., Department of Chemical Physics and Optics ...
  • Odhady K-funkcie bodového procesu využívajúce globálnu normalizáciu 

    Výsledek obhajoby: OBHÁJENO
    Funková, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 21. 6. 2022
    Point processes are random local finite sets of points in a space that are used for mod- elling and subsequent spatial data analysis. Same of their useful characteristics are the pair correlation function and also the ...
  • Štúdium katalytických vlastností vrstiev kobaltu a jeho oxidov 

    Výsledek obhajoby: OBHÁJENO
    Krutel, Jozef (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    Examining different methods of oxidizing bulk polycrystalic cobalt sample to prepare CoOx surface, examine thermal stability of prepared layers by XPS &amp; TDS, comparison to mixed CeOx/CoOx oxide thin films. Chemical ...
  • Symplectic Dirac operators on Gr2(C4) 

    Výsledek obhajoby: OBHÁJENO
    Hudeček, Štěpán (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    In this thesis we are presenting a construction of the symplectic Dirac operators as done by Katharina Habermann in 1995. We emphasize the differences with the classical Dirac operators. We are then computing the associated ...
  • Základní vlastnosti p-Banachových prostorů 

    Výsledek obhajoby: OBHÁJENO
    Kubíček, David (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    In this thesis we recall the notion of a quasi-norm and a p-norm. We mention the Aoki-Rolewicz theorem which connects these two notions. We deal with generalizations of selected results from Banach spaces to p-Banach spaces ...
  • Vybrané úlohy z diferenciální geometrie 

    Výsledek obhajoby: OBHÁJENO
    Paclt, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    This thesis covers an overview and solution to selected problems in the differential geometry of plane curves. It focuses mainly on calculating areas of regions bounded by plane curves and also on evolutes, involutes and ...
  • Computations of Google's PageRank 

    Výsledek obhajoby: OBHÁJENO
    Smejkalová, Barbora (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    The thesis is concerned with numerical methods for solving the PageRank problem. The PageRank problem is formulated and mathematically described, based on intuitive observations called theses. We introduce and analyze two ...
  • Structural and categorical description of classes of abelian groups 

    Výsledek obhajoby: OBHÁJENO
    Dvořák, Josef (Univerzita Karlova, Matematicko-fyzikální fakulta, 2021)
    Datum obhajoby: 27. 9. 2021
    The work presents results concerning the self-smallness and relative smallness properties of products in the category of abelian groups and in Ab5-categories. Criteria of relative smallness of abelian groups and a ...
  • Search in Imperfect Information Games 

    Výsledek obhajoby: OBHÁJENO
    Schmid, Martin (Univerzita Karlova, Matematicko-fyzikální fakulta, 2021)
    Datum obhajoby: 25. 8. 2021
    From the very dawn of the field, search with value functions was a fun- damental concept of computer games research. Turing's chess algorithm from 1950 was able to think two moves ahead, and Shannon's work on chess from ...
  • Nanostrukturované kovové substráty pro modelovou elektrokatalýzu 

    Výsledek obhajoby: OBHÁJENO
    Škvára, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    This thesis studies preparation of nanostructured Pt(111) surfaces for usage in model electrocatalytic experiments. A method is presented, that uses ion erosion of the sur- face at elevated temperature for surface preparation. ...
  • Multivariate Cox point processes 

    Výsledek obhajoby: OBHÁJENO
    Kuželová, Noemi (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 10. 6. 2022
    The Log-Gaussian Cox process is an important example of the use of spatial modeling and spatial statistics in practice. It is useful for describing many real-world situations, from modeling tree growth in the rainforests, ...
  • Lipschitzovsky volné p-prostory 

    Výsledek obhajoby: OBHÁJENO
    Raunig, Tomáš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    This thesis deals with a class of p-Banach spaces known as Lipschitz free p-spaces, where 0 &lt; p ≤ 1. In the first part we describe their construction in detail and give proofs of their basic properties. Using these ...
  • Analýza tvaru náhodných funkcí 

    Výsledek obhajoby: OBHÁJENO
    Fürst, Matouš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 8. 6. 2022
    Registration of functional data is a part of functional data analysis which focuses on the transformation of a sample of functions such that the shapes of these functions are aligned and undesired variation between them ...
  • Vývoj astronomické fotometrie 

    Výsledek obhajoby: OBHÁJENO
    Baláž, Jáchym (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    This bachelor's thesis focuses on the evolution of photometry in astronomy. It begins with the first astronomers of the classical era, follows the improvement of star atlases, before and after the discov- ery of the ...
  • Nanostructured materials based on metal oxides - structure and thermal stability 

    Výsledek obhajoby: OBHÁJENO
    Václavů, Tereza (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 24. 6. 2022
    Title: Nanostructured materials based on metal oxides - structure and thermal stability Author: Tereza Václavů Department: Department of Condensed Matter Physics Supervisor: prof. RNDr. Radomír Kužel, CSc. Abstract: The ...
  • Comparative Analysis of Multi-model Databases 

    Výsledek obhajoby: OBHÁJENO
    Guliyev, Eldar (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    BACHELOR THESIS ABSTRACT Eldar Guliyev Comparative Analysis of Multi-model Databases The thesis is devoted to performance analysis of multi-model database management systems. Data models, multi-model DBMS and query languages ...
  • The incompleteness theorems and Berry's paradox 

    Výsledek obhajoby: OBHÁJENO
    Grego, Maroš (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 20. 6. 2022
    This thesis is devoted to a formal presentation of an alternative proof of Gödel's first incompleteness theorem, based on the Berry paradox ("the smallest number not definable in under 57 characters", with this definition ...
  • Laserová spektroskopie magneticky uspořádaných materiálů 

    Výsledek obhajoby: OBHÁJENO
    Wohlrath, Vladislav (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 16. 6. 2022
    For a relatively long time, a new experimental technique for the study of magnetic materials by magneto-optical effects quadratic in sample magnetization, like Voigt effect, is being developed at Laboratory of OptoSpintronics. ...
  • Rozšiřování funkcí z podprostorů metrických prostorů 

    Výsledek obhajoby: OBHÁJENO
    Hevessy, Michal (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 17. 6. 2022
    Function extension is a classical problem in mathematics. In this thesis we look into an extesion of realvalued functions defined on metric spaces. The first chapter is intro- ductory and describes extension problem. In ...
  • Kovalentne previazané molekulárne siete na kovom pasivovaných povrchoch 

    Výsledek obhajoby: OBHÁJENO
    Slezák, Peter (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 14. 6. 2022
    The creation of electronic devices only from atoms or molecules could be the next step in the creation of more advanced nanotechnologies. Initial experiments have already taken place and we know that it is possible on some ...
  • Gibbsovy procesy částic 

    Výsledek obhajoby: OBHÁJENO
    Petráková, Martina (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 10. 6. 2022
    We consider a recent result for the existence of infinite-volume marked Gibbs point processes and try to apply it to geometric models. At first, we reformulate a problematic assumption of the considered existence result ...
  • Analysis of photon data from neutron capture on 170Tm 

    Výsledek obhajoby: OBHÁJENO
    Špringlová, Kamila (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 15. 6. 2022
    The subject of this thesis is to study modes of γ decay of 170 Tm; knowledge of quan- tities describing γ decay form an important step in understanding an atomic nucleus. A description of γ decay of excited states of a ...
  • On Market Efficiency, Optimal Distributional Trading Gain, and Utility Maximization 

    Výsledek obhajoby: OBHÁJENO
    Navrátil, Robert (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 7. 6. 2022
    On Market Efficiency, Optimal Distributional Trading Gain, and Utility Maximization Robert Navr'atil The aim of this thesis is multifold. First, using results from the optimal distributional trading gain problem, we determine ...
  • Natural Language Correction With Focus on Czech 

    Výsledek obhajoby: OBHÁJENO
    Náplava, Jakub (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 28. 6. 2022
    Natural language correction, a subfield of natural language processing (NLP), is the task of automatically correcting user errors in written texts. It includes, but is not lim- ited to, grammatical error correction, spelling ...
  • On the Complexity of Search Problems with a Unique Solution 

    Výsledek obhajoby: OBHÁJENO
    Králová, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2021)
    Datum obhajoby: 25. 8. 2021
    Meggido and Papadimitriou [Theor. Comput. Sci., 1991] introduced the class TFNP of search problems for which a solution always exists and is polynomially verifiable. In this thesis, we study the possibility of reducing ...
  • Arithmetics of number fields and generalized continued fractions 

    Výsledek obhajoby: OBHÁJENO
    Tinková, Magdaléna (Univerzita Karlova, Matematicko-fyzikální fakulta, 2021)
    Datum obhajoby: 28. 7. 2021
    This thesis focuses on additively indecomposable integers in totally real number fields and their application in the study of universal quadratic forms. For the determination of such elements, we develop two different ...
  • Classical operators of harmonic analysis and Sobolev embeddings on rearrangement-invariant function spaces 

    Výsledek obhajoby: OBHÁJENO
    Mihula, Zdeněk (Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)
    Datum obhajoby: 11. 3. 2022
    Boundedness properties of some classical operators of harmonic analysis (namely the Hilbert and Riesz transforms, the Riesz potentials and (fractional and nonfractional) maximal operators) as well as certain Sobolev-type ...

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