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Laser spectroscopy of semiconductor quantum dots
Pokorný, Martin
This work is focused on examining photoluminescent properties of InAs quantum dots (QDs) on GaAs substrate covered by GaAs1-xSbx strain reducing capping layer (SRL) prepared by Stranski-Krastanow method. We measured luminescence decay time of two samples with different concentration of Sb in this layer. We investigated the influence of temperature, intensity and wavelength of the excitation pulse on the luminescent decay time. We also compared the properties of the samples after excitation by 760 nm pulse and 850 nm pulse - the former one is energetically above the substrate band gap; in the second case we excited only the QDs and the wetting layer (WL). We consequently derived recombination and relaxation processes occurring inside InAs QDs and also the transport of charge carriers from the substrate and the WL into QDs. One part of this diploma thesis was to learn about the methods of measuring ultrafast photoluminescence and build the experimental set-up.
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Interpretative Semantics as a Contribution to Reception of a Literary Text
Koblížek, Tomáš ; Pokorný, Martin (advisor) ; Voldřichová - Beránková, Eva (referee) ; Petříček, Miroslav (referee)
The thesis deals with the project of interpretative semantics as it has been developed by the French linguist François Rastier. The aim of the thesis is twofold: Firstly, to introduce and to further elaborate on the principles of this theory. Secondly, to point out possible benefits of Rastier's project for interpretation and analysis of literary texts. The key issue which characterizes the Rastier's semantics and which also represents the main axis of the present thesis can be put forward as follows. On one hand, the interpretative semantics grasps the text as a linguistic object which is open to various formal arrangements and to various articulations of semantic units. On the other hand, each text in its linguistic and non-linguistic context receives a particular shape and particular meaning. This general issue is discussed in detail in four mutually bound chapters where it is also applied on literary texts: (1) The first chapter deals with the notion of isotopy as the main textual principle. From the perspective of this concept a text cannot be grasped as a "big sentence" with an apriori determined syntax. Textuality rather resides in relationships between iterated (isotopic) elements which can be detected in the particular text on different linguistic levels (morphemes, lexies, sentences)....
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The adoption of Christianity by the Goths
Pokorný, Martin ; Veverková, Kamila (advisor) ; Lášek, Jan Blahoslav (referee)
UNIVERZITA KARLOVA V PRAZE HUSITSKÁ TEOLOGICKÁ FAKULTA BAKALÁŘSKÁ PRÁCE PRAHA, 2014 MARTIN POKORNÝ UNIVERZITA KARLOVA V PRAZE HUSITSKÁ TEOLOGICKÁ FAKULTA Bakalářská práce PŘIJETÍ KŘESŤANSTVÍ U GÓTŮ THE ADOPTION OF CHRISTIANITY BY THE GOTHS Vedoucí práce: Autor práce: ThDr. Kamila Veverková, ThD. Martin Pokorný Poděkování Děkuji paní ThDr. Kamile Veverkové, ThD. za laskavou pomoc, cenné rady a komentář při tvorbě bakalářské práce. Prohlášení Prohlašuji, že jsem bakalářskou práci /Přijetí křesťanství u Gótů" zpracoval samostatně a výhradně s použitím citovaných pramenů, literatury a dalších odborných zdrojů.. Současně dávám svolení k tomu, aby má bakalářská práce byla umístěna v Ústřední knihovně UK a používána ke studijním účelům. V Praze dne 10. 6. 2014 Martin Pokorný ANOTACE Tato bakalářská práce pojednává o Gótech - germánském kmeni, který v průběhu sedmi století sehrál významnou roli v evropských dějinách. Práce je zpracována do dvou oblastí - historické a teologické. Historická část popisuje původ gótského národa, jejich vzájemný válečný vztah s římským impériem a nevyhnutelné rozdělení na Vizigótskou a Ostrogótskou říši. Teologická část líčí odklon Gótů od pohanství, následnou christianizaci národa včele s biskupem Wulfilou a přijetí křesťanství v ariánské podobě, jak Vizigóty, tak i Ostrogóty. KLÍČOVÁ...
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The Poetics of Space in The Alexandria Quartet.
Malý, Lukáš ; Bílek, Petr (advisor) ; Pokorný, Martin (referee)
Poetics of space in The Alexandria Quartet is created by multilevel structures. This poetics is closely connected to the main space of the story - Alexandria, which is at the same time one of the novel's topics. Each level is suggested in connection to various theoretical conceptions which are subsequently used for my own analysis. Alexandria is initially an aesthetic coulisse of the story which is portrayed by descriptive passages. Strongly subjective and lyrical descriptions of the city establish overall impression of the story and potentially support reader's experiential illusion. Alexandria and its specificity is further modulated and thematised by its special macroscopic conditions which border Alexandria as an autonomous fictional space with its own rules within the novel's fictional world. Part of poetics of the space in this novel is also portraying spatio-temporal aspect of the reality (chronotope) no only on the level of the story, but also on the level of storytelling. Alexandria is further explicit rhetoric and also through semantic indexation personified and enters semantic relations with the main characters and events. Each level is complementary to another and all are part of the semantic gesture of the novel. Alexandria becomes a separate symbol, mythical entity which importance is...
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Praktické datové struktury
Pokorný, Michael ; Mareš, Martin (advisor) ; Babka, Martin (referee)
In this thesis, we implement several data structures for ordered and unordered dictionaries and we benchmark their performance in main memory on synthetic and practical workloads. Our survey includes both well-known data structures (B-trees, red-black trees, splay trees and hashing) and more exotic approaches (k-splay trees and k-forests). Powered by TCPDF (www.tcpdf.org)
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Echoes of Ovid's Metamorphoses
Stašová, Ema ; Pokorný, Martin (advisor) ; Hrdlička, Josef (referee)
The aim of this study is to compare selected episodes of Ovid's Metamorphoses with three works of modern literature containing the theme of metamorphosis, and to follow their intertextual relations, dependency and innovation of Ovidian themes. On the basis of a comparison of the ancient and the modern text it is examined which motives remain constant during centuries and which, on the contrary, are evolving and shifting their meanings. Through the perspective of the Metamorphoses an attempt is made to interpret the works from a less usual angle. The most significant Ovidian characters that are examined in this study are Teiresias, Daphne, Hyacinth, Orpheus, Ceres, Icarus, Callisto and Io.
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Issues in Literary Hermeneutics
Válková, Natalia ; Pokorný, Martin (advisor) ; Hrdlička, Josef (referee)
The goal of this thesis is to explore the possibility of systematization of the literary hermeneutics as a method of interpretation. Three selective studies focused on the hermeneutic the- ory (namely problem of the language, understanding and textuality) should provide a theoretical and philosophical framework for the interpretative part of this thesis, which is focused on interpretation of a literary text, namely Joseph Brodsky's poem Isaac and Abraham. The thesis also explores con- cept of the literary hermeneutics, which stands between phenomenological-ontological hermeneu- tics and methodological-normanative orientated theory of interpretation. Despite the explicit tension between these two attitudes, there is also a space within the literary hermeneutics for their inspira- tional dialog.
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Analysis of Point Clouds Representing Surfaces of Engineering Practice
Surynková, Petra ; Voráčová, Šárka (advisor) ; Pokorný, Milan (referee) ; Lávička, Miroslav (referee)
Title: Analysis of Point Clouds Representing Surfaces of Engineering Practice Author: Petra Surynková Department: Department of Mathematics Education Supervisor: Mgr. Šárka Voráčová, Ph.D., Faculty of Transportation Sciences, Czech Technical University in Prague Abstract: The doctoral dissertation Analysis of Point Clouds Representing Surfaces of Engineering Practice addresses the development and application of methods of digital reconstruction of surfaces of engineering and construction practice from point clouds. The main outcome of the dissertation is a presentation of new procedures and methods that contribute to each of the stages of the reconstruction process from the input point clouds. The work is mainly focused on the analysis of input clouds that describe special types of surfaces. Several completely new algorithms and improvements of existing algorithms that contribute to individual steps of surface reconstruction are presented. New procedures are based on geometrical characteristics of the reconstructed object. An important result of the dissertation is an analysis of not only synthetically generated point clouds but above all an analysis of real point clouds that have been obtained from measurements of real objects. The significant contribution of the dissertation is also an...
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ICT support of education in Youth diagnostic centers
Pokorný, Michal ; Brdička, Bořivoj (advisor) ; Leipert, Jiří (referee)
The thesis is focused on an investigation of the benefit evoked by the ICT supported connected instruction between the Child Diagnostic Institute (the DDU) and the tribal school of a pupil, who comes to DDU for a voluntary diagnostic stay (DDP). The aim of this work is to determine an interest in this project among teachers, both from DDU and teachers from primary schools, whose pupils attended the DDU. The method of research is an online survey among teachers from DDU and teachers from schools outside the Diagnostic Institute who have experience with the DDU clients. The results are evaluated separately for teachers from DDU and teachers from other primary schools that have experiences with those pupils.
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