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  • Aktivita blesků v Česku v oblastech MSC 

    Arnoštová, Michaela (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Title: Lightning activity in the regions of MCS over Czechia Author: Michaela Arnoštová Department: Department of Atmospheric Physics Supervisor: Mgr. Michal Žák, Ph.D., Department of Atmospheric Physics Abstract: This ...
  • Struktura čistě-injektivních abelovských grup 

    Jankovec, Filip (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    In this thesis, we study the structure of the pure-injective abelian groups. We de- scribe some equivalent characterizations of the pure-injective modules. Furthermore, we thoroughly discuss the special case of the ...
  • Monotone functions avoiding majorities 

    Petr, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    In the past five years, the Promise Constraint Satisfaction Problem (PCSP) has been a popular topic in computational complexity, covering a wide range of computational problems. In this work, we begin by introducing the ...
  • Nová studie časové proměnnosti hvězdy se závojem LQ And 

    Lipták, Jozef (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    We contradict binary nature of LQ And. Radial velocities of Hα emision are bound to changes less than 2 km/s. We were not able to detect any periodic variability in radial velocities of core and wings of Hα emision nor of ...
  • Pythagorova čísla řádů v číselných tělesech 

    Hájková, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    This thesis deals with the investigation of Pythagoras numbers of orders in number fields. After a short introduction, where I repeat and define new concepts important for understanding this work, I deal with the necessary ...
  • Diamantové principy a GCH 

    Fuková, Kateřina (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Diamond principles and the generalized continuum hypothesis are assertions related to infinite combinatorics. This thesis studies various connections between these assertions. From numerous formulations of diamond principles, ...
  • Minimální pokrytí párů trojicemi 

    Hladíková, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    In this thesis we deal with solving a combinatorics problem of finding the minimal covering of pairs by triples for a fixed finite set. We will show what is the minimal size of these coverings and more ways how to construct ...
  • Terahertzová vodivost Diracových elektronů 

    Spitzkopf, David (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    We explore the conductivity of Dirac electrons in the terahertz range, especially in graphene. We are trying to find a boundary condition that is suitable both for the eigen states around the Dirac points and the nanocrystalline ...
  • Optické a magnetooptické vlastnosti tenkých vrstev topologického izolátoru Bi2Se3 

    Jambrich, Jakub (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Topological insulators have attracted intensive research interest in the field of material research in the last two decades. Their main advantage is that metallic conductive states are formed on their surface, in which the ...
  • Refaktoring systému pro sledování kvality dat ve vrcholovém detektoru Belle II 

    Bártík, Jáchym (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    This bachelor thesis deals with refactoring of a part of the Data Quality Monitoring (DQM) code for the Belle II vertex detector. In the second part of the thesis, monitoring of vertex detector half-shells movement over ...
  • Demosaicing as an ill-posed inverse problem 

    Mariničová, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Color information of a scene is only recorded partially by a digital camera.Specifically, only one of the red, green, and blue color components is sampled at each pixel.The missing color values must be estimated - a process ...
  • Spektroskopie polovodičů s velmi vysokým časovým rozlišením 

    Hanák, Martin (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    This thesis is aimed at building and optimization of a new experiment setup for measuring time-resolved transmittance using a pump-probe method. Test measurements were then conducted on a sample of SiV centers in diamond. ...
  • Vliv obsahu molybdenu na fázové transformace v binárních slitinách Ti-Mo 

    Valešová, Veronika (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Title: Effect of molybdenum content on phase transformations in binary Ti-Mo alloys Author: Veronika Valešová Department: Department of Physics of Materials Supervisor: PhDr. RNDr. Josef Stráský, Ph.D., Department of Physics ...
  • Vliv jednotlivých galaxií na gravitační čočkování kupou galaxií 

    Střeleček, Jan (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    The aim of this work is to study gravitational lensing of galaxy-cluster halos in- fluenced by individual galaxies in the halo. The halo mass is generally dominated by dark matter, which can be described using a Navarro, ...
  • Femtosekundová absorpčná spektroskopia v štúdiu stimulovanej emisie 

    Streshkova, Neli (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    The aim of the thesis is the building and optimization of an experimental setup for me- asuring the transient transmission and optical gain by the femtosecond pump and probe technique. The setup combines the technology of ...
  • Zeemanův jev 2Pi molekul 

    Menšíková, Jana (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    This research work deals with the fine structure of spectral lines in molecules. These are represented by OH molecule which plays an important role in spectroscopy. While investigating molecular spectra, one must take into ...
  • Interpretace zdrojů známých řešení Teukolského rovnic 

    Mikeska, Václav (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    Many realistic astrophysical problems can be treated as perturbations. It turns out that the NP formalism is a very successful tool in electromagnetic perturbations on Kerr background. We investigate stationary axisymmetric ...
  • Vector fields on spheres 

    Strakoš, Filip (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 15. 7. 2020
    This thesis deals with partial results concerning the problem of existence of vector fields on spheres. The proof of the Hairy Ball Theorem is given using the tools of the the- ory of characteristic classes. Basic notions ...
  • Nové parametrizace v modelu RegCM 

    Pitaš, Ondřej (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 14. 7. 2020
    This thesis compares new physical parameterizations in the regional climate model system RegCM with the standard settings used at the Department of Atmospheric Phy- sics and observed climatic conditions. The first part is ...
  • Spektroelektrochemické studium porfyrinových derivátů v bezvodých rozpouštědlech 

    Povišer, Martin (Univerzita Karlova, Matematicko-fyzikální fakulta, 2020)
    Date of defense: 14. 7. 2020
    Porphyrins and their derivatives constitute an important group of com- pounds taking part in vital biological processes such as transport of oxygen in blood and in photosynthesis. Electrochemical experiments such as cyclic ...

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