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Open problems in Continuum thory
Seifrt, Jan ; Spurný, Jiří (referee) ; Pyrih, Pavel (advisor)
ISYixev prace: Otevfene problemy teorie konlinm Autor: Jan Seifrt Katcdra (ustav): Katedra matematicke analyzy Vedouci ba.kaliirske prace: Doc. RNDr. Pavel Pyrih, CSc. e-mail vedouciho: poliodai6.gniail.com Anstrakt: PiYdlo/ena pracc sc /a))yva v/tahrin iiia^iicli('l\ycb a koiH-rnr pn- riodickych bodu v jislycli koiiipaktiiu-li .souvislych mno/iuach. Teziste prace s])ociva v in)di-()l)in''in ro/boru dvou ])ul)liku\>uiycli vyslcdkii (motor a null- comb). Fungovam Irclito ])fikladu JL- /achycono na fade pomocnydi obraxkii. Pia(.:c obsabnjc polrubnc definicr a /aktadni 1 vr/cm' Inv, dukaxu. V praci JHOU dale doka'/ana i dalsi tvr/oni / dam'1 problcmatiky. vii shiva: dcndril., ill]I' vla.st.imsr, ina^iiutickr body a mill-comb Tillc: Open problems in Continuum thmry Author: Jan Scifrt Department.; Department of Matheinal ical Analysis Supervisor: Doc. HNDr. Pavel Pyrili, CSc. Supervisor's e-mail address: Abstract: In t lit1 present work \ve study the relation between non-wandering ami eventually-periodic- points in certain compact conned ed sets. The goal of the work consists of detailed study of two published results (engine and null-comb). How these examples work is demonstrated by a. sequence of fi- gures. The work contain all needed definitions a.nd lacts wit.lumt proofs. In the work are proved some other...
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Fundaments of IT thinking
Jelínek, Jakub ; Pyrih, Pavel (advisor) ; Obdržálek, David (referee)
In the propounded work author presents results of his looking for important informatics thinking features, its fundaments. He divides these fundaments into two categories - static and dynamic. Static fundaments represent basic building material that the informatics world is built from. As static fundaments are considered information, time, room and money. Dynamic fundaments express basic "active factors" which are using static fundaments and are transforming them, creating so more complicated elements of informatics. As dynamic fundaments are considered abstraction, iteration and recursion, metasyntactic variables, universality, simplicity and inspiration.
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Aplikace Baireovy věty
Peprníková, Ľubica ; Pyrih, Pavel (referee) ; Simon, Petr (advisor)
The aim of this work is to show, having three di®erent spaces and a set of elements with some common property in each one of them that the given set is the set of typical elements in that space. First we will show that a typical continuous function deffined on the interval [0; 1] is a nowhere differentiable one. Then we will show that a typical compact set in R2 is a discontinuum. And lastly, we will show that a typical planar continuum is an indecomposable one. A valuable tool will be the Baire theorem, the use of which will ensure, besides the density, also the fact that the given set is a countable intersection of open sets.
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Extension of mappings into Banach spaces
Novotný, Vojtěch ; Pyrih, Pavel (referee) ; Hušek, Miroslav (advisor)
This diploma thesis deals with extending continuous and uniformly continuous mappings. It studies Lebesgue's and Tietze's work in metric spaces through Urysohn's theorem in normal topological spaces, Kat etovs' papers about uniformly continuous functions up to Dugundji's theorem and relationship between continuous extending of pseudometrics and mappings. It connects the articles of nineteen mathematicians of the twentieth century, presents plenty of theorems in more general form and shows that they could be formulated earlier or proved in another way.
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Homogeneity of topological structures
Vejnar, Benjamin ; Hušek, Miroslav (advisor) ; Pyrih, Pavel (referee)
In the present work we study those compacti cations such that every autohomeomorphism of the base space can be continuously extended over the compacti cation. These are called H-compacti cations. We characterize them by several equivalent conditions and we prove that H-compacti cations of a given space form a complete upper semilattice which is a complete lattice when the given space is supposed to be locally compact. Next, we describe all H-compacti cations of discrete spaces as well as of countable locally compact spaces. It is shown that the only H-compacti cations of Euclidean spaces of dimension at least two are one-point compacti cation and the Cech-Stone compacti cation. Further we get that there are exactly 11 H-compacti cations of a countable sum of Euclidean spaces of dimension at least two and that there are exactly 26 H-compacti cations of a countable sum of real lines. These are all described and a Hasse diagram of a lattice they form is given.
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