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Rational points on elliptic curves
Raclavský, Marek ; Stanovský, David (advisor) ; Šťovíček, Jan (referee)
This thesis concerns with rational points on elliptic curves. By the Mordell theorem we know that the group of rational points on elliptic curve is finitely generated. First, we study torsion subgroup, which turns out to be well described by theorem of Nagell-Lutz. Next, we focus on torsion-free part, which is characterized by the notion of rank. The thesis consists of solved problems and we also provide a summary of theoretical foundations. We find points of finite order on particular elliptic curves and compute their ranks. Powered by TCPDF (www.tcpdf.org)
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Characteristics of inter-individual relationship (friend vs. rival) in red deer and its effect on agonistic behavior and endocrinological feedback
Peterka, Tomáš ; Bartoš, Luděk (advisor) ; Fuchs, Roman (referee)
Red deer males aggregate during the period of antler growth to bachelor groups. Social position - Rank - is unstable in these groups. Previous experiments revealed that rank modulated by agonistic behaviour influence the antler growth and antler cycle timing. Antlers are the secondary sexual characteristics of the deer family and one of the fastest growing tissue in vertebrate taxa. Their development is modulated by androgenic hormone, testosterone. In our experiment, we observed agonistic behaviour of 19 males. They were equipped with GPS collar and observation lasted for two hours in the evening an in the morning, once or twice a week from the end of May to the end of August. Deer were handled regularly for blood samples and downloading the telemetrical data from collars. Base on a statistical analysis we found that in our bachelor group 13 stags kept similar interindividual distances which did not exceed the 22 metres level. These stags - the closest associates - differed in the sum of agonistic interactions. Those who reached 8 or less interactions were called Friends, while subgroup of the others reaching much more interactions were classified as Rivals. We found that number of interactions depended on average distance among males in groups (Friends and Rivals). Rivals with increasing distance...
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Methods of SEO optimization
Karásek, Martin ; Chudán, David (advisor) ; Sklenák, Vilém (referee)
The theme of this thesis is the methodology of SEO for two differently oriented websites - first is about information and news from finance, the second is a presenta-tion of services construction company. The aim is to use SEO to ensure quality visits to both websites and describe the differences in the course of optimizing each of them. Achieving targets is based on the overall analysis of the original performance of web-sites and subsequent adjustments leading to better visibility on internet. My contribution to the field of SEO optimization is demonstration of analytical methods and websites corrections I made, description and demonstration of special software and online tools for optimization that can be used for commercial and non-commercial websites as well. The work progresses from theoretical introduction to the field of SEO and analysis of website to practical part, where I describe the steps of optimization as well as the achieved results.
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The analysis of website in terms of SEO
Volčíková, Anna ; Sova, Martin (advisor) ; Čermák, Radim (referee)
This bachelor thesis solves the question how to care for a new company website to reach the top positions in the search results of full-text search engines. The problem is solved by analyzing a particular website from the point of search engine optimization (SEO). First it explains how the search engines work, what influences sorting of results and how the results are displayed. These theoretical findings are applied to a practical situation. The result of the analysis is recommendation for an accounting firm Daspet s.r.o. and for other operators of websites, how to optimize a new website in terms of SEO.
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The Social Stratification of a Municipality
Petrásek, Lukáš ; Novotná, Eliška (advisor) ; Rameš, Václav (referee)
This work deals with social stratification in the selected village, in this case in the town Lomnice nad Lužnicí. The main aim is to show the social structure of the population in that area and apply it to one of the current stratification models. The theoretical part is an introduction to the problems of social stratification, explanations and definitions of basic concepts related to the topic, an introduction to demographic data of the town Lomnice nad Lužnicí and methods used for measuring social stratification. The practical part will be done processing, analysis and evaluation of data that will lead to a creation of stratification models.
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