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Zobrazují se záznamy 1-20 z 11196
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Analýza sentimentu ve finančních zprávách
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 5. 9. 2024In the current era of information overload, monitoring associations and comprehending media and online news content, especially for investment purposes, is becoming increasingly demanding. This thesis addresses the challenge ... -
Dynamics of negative molecular ions
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 19. 9. 2024Phenomena occuring in low-energy electron-molecule collision have been the subject of intense study for the past several decades. Nonlocal resonance models proved to be a succesful tool for describing the nuclear dynamics ... -
Relationships between k-planar a h-quasiplanar graphs
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 11. 9. 2024 -
U-based thin films: electronic structure and physical properties
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 17. 9. 2024Title: U-based thin films: electronic structure and physical properties Author: Oleksandra Koloskova Department / Institute: Department of Condensed Matter Physics, Faculty of Mathematics and Physics, Charles University ... -
Vliv Sc na mikrostrukturu a vlastnosti plynule odlévaných modelových slitin na bázi Al-Li
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 17. 9. 2024The solidification rate of high-strength aluminum alloys strongly impacts the cast structure. The size of eutectic cells could be reduced from several hundred micrometers, typical for ingot-cast materials, down to ... -
Broadband kinematic ground motion modeling of tectonic earthquakes
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 16. 9. 2024Broadband earthquake ground motion simulations represent a promising approach to seismic hazard analysis. After validation of synthetics against recordings, it provides us the possibility to dense up the information needed ... -
Kvalita aproximace stochastické dominance v závislosti na pravděpodobnostním rozdělení
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2022)Datum obhajoby: 2. 2. 2022This work focuses on measuring the quality of stochastic dominance approx- imation. A measure of non-dominance is developed to quantify the error caused by assuming that a stochastic dominance relationship holds even when ... -
Modern amplitude methods for fundamental interactions
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024In this work the toolbox of modern amplitude methods is used to examine a theory that has been mostly neglected quantum electrodynamics. At first we focus on maximum helicity violating (MHV) amplitudes in massless ... -
Study of the double-Dalitz decay of neutral pion at the NA62 experiment
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024The NA62 experiment at CERN represents leading physics research of rare kaon decays. The NA62 aims to measure the K+ → π+ νν decay branching ratio which is approximately 10−10 . Any significant discrepancy between the ... -
Study of jet suppression in heavy-ion collisions with the ATLAS experiment
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024Ultra-relativistic heavy-ion collisions are performed to generate and examine QCD matter at high temperatures, known as the quark-gluon plasma. This extraordinary state of matter is theorized to have been present in the ... -
Molekulové simulace vlivu intenzivního subTHz elektrického pole na proteiny
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024The aim of this thesis was to probe the effect of the subTHz electric field on a key protein - tubulin dimer, which is crucial for the cell's stability, motility and division. This study was done in silico, which means ... -
Computational modeling of complexes consisting of nucleic acids and proteins
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024In the introductory chapter, the diploma thesis introduces the reader to the most used tools for the human genome editing (ZFN, TALEN, CRISPR). The following chap- ters describe in detail the methodology of MD simulations ... -
Higher Structures in Mathematical Physics
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024Higher structures offer a natural framework for the description of gauge field theories. This work provides a pedagogical introduction to the necessary mathematical background, including graded geometry, category theory, ... -
Spektroskopická analýza karotenoidů v živých organismech
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024This thesis focuses on characterizing the spectroscopic properties of carotenoids, the most frequently occurring biomolecules in living organisms, using Raman and fluorescence microscopy techniques. The aim is to determine ... -
Fotofyzikální vlastnosti riboflavinu
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024Riboflavin, also known as B2 vitamine, has an important role in our body metabolism. It is a precursor for flavin mononucleotide and flavin adenin dinucleotide synthesis. Our body uses these substances in mitochondrial ... -
Streaming Algorithms for Estimating Quantiles with Novel Error Guarantees
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024This work deals with streaming algorithms for estimation of ranks and quantiles that perform a single pass through the input data stream using a small space. After reading a stream of N elements of a totally ordered universe, ... -
Leptogenesis in minimal grand unified models
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024We investigate whether successful leptogenesis driven by heavy right-handed neutrino decays can be compatible with flavour fits within the minimal and potentially realis- tic non-supersymmetric SO(10)-based model with ... -
Studium biogenních krystalů síranových a fosfátových komplexů s kovy alkalických zemin vyskytujících se v mikroorganismech pomocí Ramanovy spektroskopie
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 13. 9. 2024It has been known for several tens of years that many microorganisms can form intracellular crystal inclusions. One of these crystal inclusions groups consists of microcrystals of barite (BaSO4) and celestine (SrSO4), which ... -
Pulzujúce hviezdy v databáze TESS
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 11. 9. 2024Pulsating stars undergo changes, i.e. perpetual expansion and contraction, tempera- ture changes, color changes. These changes result in variations of emitted light. Variation is usually periodical and often consists of ... -
Studium použití Curling sondy pro technologické plazma
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Matematicko-fyzikální fakulta, 2024)Datum obhajoby: 11. 9. 2024The aim of this bachelor thesis was to produce a curling probe under labora- tory conditions and to verify its functionality in a technological plasma. Curling probe represents a relatively new high-frequency method of ...