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ECG Cluster Analysis
Pospíšil, David ; Kozumplík, Jiří (referee) ; Klimek, Martin (advisor)
This diploma thesis deals with the use of some methods of cluster analysis on the ECG signal in order to sort QRS complexes according to their morphology to normal and abnormal. It is used agglomerative hierarchical clustering and non-hierarchical method K – Means for which an application in Mathworks MATLAB programming equipment was developed. The first part deals with the theory of the ECG signal and cluster analysis, and then the second is the design, implementation and evaluation of the results of the usage of developed software on the ECG signal for the automatic division of QRS complexes into clusters.
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Utilization of solar energy for heating and ventilation – warm-air systems
Pospíšil, David ; Fišer, Jan (referee) ; Jaroš, Michal (advisor)
Bachelor’s thesis considers summary of application trends with using warm-air systems to space heating and ventilation. Thesis is divided into several sections. The introduction to the topic presents basic facts about solar energy; the origin of it and its availability. The next part defines systems working with solar energy for space heating and ventilation, describes partition of these systems and explains working principles. The final part gives examples in system’s application.
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Office Building
Pospíšil, David ; Mazánek, Pavel (referee) ; Košíčková, Ivana (advisor)
My thesis solveses the office building. The building will be located in Šumperk. It will be located near the center. The building has two floors and a partial basement floor. Ceilings are beams with ceramic inserts and reinforced concrete slabs. Vertical structure consists of a ceramic blocks in the aboveground parts and concrete blocks in the underground section. The roof is walked on vegetation. The staircase is reinforced concrete, monolithic. The entire building is insulated with mineral wool. Basement is insulated with polystyrene foam.
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Electrical installation of surgery room
Pospíšil, David ; Rozman, Jiří (referee) ; Hrozek, Jan (advisor)
The main objective of this bachelor´s thesis is to get know about essentials of electrical installations with aim for medical applications, standards and requirements. Characterization of component’s parameters used in the course of surgery rooms realization icluded as the same as description of applied medical devices and its engineering solution. Own realisation of project comes at the end. Reader of this bachelor´s thesis will take an image about planning electrical installations, its usage in health service and will have a concept of medical parts in this branch, modern equipment, its parameters and acquirements. He will know about principles of mentioned machinery.
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Electromobility and Power Engineering
Pospíšil, David ; Milčák, Pavel (referee) ; Lisý, Martin (advisor)
This bachelor thesis focuses on electromobility in the Czech Republic and analyses its impacts on the power grid, electro-energetics and the charging possibilities of electric vehicles. The introductory section describes different ways of charging electric vehicles and forecasts future demand for charging stations. Subsequently, the impacts of electromobility on the power grid and electro-energetics were examined, which showed an increased load due to electromobility and need for modification of the infrastructure. At the end of each chapter, the results were summarized and possible solutions were proposed of the problems arising from the development of electromobility.
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Modules over Gorenstein rings
Pospíšil, David ; Trlifaj, Jan (advisor) ; Příhoda, Pavel (referee) ; Herbera Espinal, Dolors (referee)
Title: Modules over Gorenstein rings Author: David Pospíšil Department: Department of Algebra Supervisor: Prof. RNDr. Jan Trlifaj, DSc. Supervisor's e-mail address: trlifaj@karlin.mff.cuni.cz Abstract: The dissertation collects my actual contributions to the clas- sification of (co)tilting modules and classes over Gorenstein rings. Com- pared with the original intent we get a more general result in classification of (co)tilting classes namely for general commutative noetherian rings (see the third paper in this dissertation). The dissertation consists of an introduction and three papers with coauthors. The first paper (published in Contemp. Math.) contains a classification of all (co)tilting modules and classes over 1- Gorenstein commutative rings. The second paper (published in J. Algebra) contains a classification of all tilting classes over regular rings of Krull dimen- sion 2 and also a classification of all tilting modules in the local case. Finally the third paper (preprint) contains a classification of all (co)tilting classes and also torsion pairs over general commutative noetherian rings. All these classi- fications are in terms of subsets of the spectrum of the ring and by associated prime ideals of modules. Keywords: (co)tilting module, (co)tilting class, torsion pair, Gorenstein ring, regular ring,...
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Vychylující moduly nad Gorensteinovými okruhy
Pospíšil, David ; Trlifaj, Jan (advisor) ; Žemlička, Jan (referee)
Let R be a commutative 1-Gorenstein ring. Our main result characterizes all tilting and cotilting R-modules: up to equivalence: they are parametrized by subsets of the set of all prime ideals of height one. More precisely, every tilting (cotilting) R-module is equivalent to some Bass tilting (cotilting) module. This characterization was known in the particular case of Dedekind domains: Chapter 4 contains a new and simpler proof of this fact. Our main result is proved in Chapter 5, while Chapter 6 deals with the cotilting case. In Chapter 4, there is also a proof of the less well-known fact that all finitely generated tilting modules over commutative rings are projective.
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The phenomenon of homosexuality in the historical context.
Pospíšil, David ; Dočkal, Jan (advisor) ; Shivairová, Olga (referee)
This thesis focuses mainly on homosexuality in the human society from the view of historical, social, cultural and clinical aspects. It is concerned with cultural and historical periods of gays and lesbians in our country. The reader should gain a complex view on this area from this thesis which is based on analysis of society attitudes together with a comparison to other modern and developed cultures. The text is divided into several sections: part one defines homosexuality as a clinical term, part two deals with changes in attitudes towards homosexuality from a historical point of view, part three gives information about civil partnership, discrimination and homoparentality. Powered by TCPDF (www.tcpdf.org)
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Tilting Modules over Gorenstein Rings
Pospíšil, David ; Trlifaj, Jan (advisor)
Let R be a commutative 1-Gorenstein ring. Our main result characterizes all tilting and cotilting R-modules: up to equivalence: they are parametrized by subsets of the set of all prime ideals of height one. More precisely, every tilting (cotilting) R-module is equivalent to some Bass tilting (cotilting) module. This characterization was known in the particular case of Dedekind domains: Chapter 4 contains a new and simpler proof of this fact. Our main result is proved in Chapter 5, while Chapter 6 deals with the cotilting case. In Chapter 4, there is also a proof of the less well-known fact that all finitely generated tilting modules over commutative rings are projective.
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