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A Comparison of Preconditioning Methods for Saddle Point Problems with an Application to Porous Media Flow Problems
Axelsson, Owe ; Blaheta, Radim ; Hasal, Martin
The paper overviews and compares some block preconditioners for the solution of saddle point systems, especially systems arising from the Brinkman model of porous media flow. The considered preconditioners involve different Schur complements as inverse free Schur complement in HSS (Hermitian - Skew Hermitian Splitting preconditioner), Schur complement to the velocity matrix and finally Schur complement to a regularization block in the augmented matrix preconditioner. The inverses appearing in most of the considered Schur complements are approximated by simple sparse approximation techniques as element-by-element and Frobenius norm minimization approaches. A special interest is devoted to problems involving various Darcy, Stokes and Brinkman flow regions, the efficiency of preconditioners in this case is demonstrated by some numerical experiments.
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STRAIN ENGINEERING OF THE ELECTRONIC STRUCTURE OF 2D MATERIALS
del Corro, Elena ; Peňa-Alvarez, M. ; Morales-García, A. ; Bouša, Milan ; Řáhová, Jaroslava ; Kavan, Ladislav ; Kalbáč, Martin ; Frank, Otakar
The research on graphene has attracted much attention since its first successful preparation in 2004. It possesses many unique properties, such as an extreme stiffness and strength, high electron mobility, ballistic transport even at room temperature, superior thermal conductivity and many others. The affection for graphene was followed swiftly by a keen interest in other two dimensional materials like transition metal dichalcogenides. As has been predicted and in part proven experimentally, the electronic properties of these materials can be modified by various means. The most common ones include covalent or non-covalent chemistry, electrochemical, gate or atomic doping, or quantum confinement. None of these methods has proven universal enough in terms of the devices' characteristics or scalability. However, another approach is known mechanical strain/stress, but experiments in that direction are scarce, in spite of their high promises.\nThe primary challenge consists in the understanding of the mechanical properties of 2D materials and in the ability to quantify the lattice deformation. Several techniques can be then used to apply strain to the specimens and thus to induce changes in their electronic structure. We will review their basic concepts and some of the examples so far documented experimentally and/or theoretically.
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Relationship between electronic music and film
Švarcová, Johana ; BENDOVÁ, Helena (advisor) ; MAREK, Petr (referee)
In this work the mutual relationship between film and electronic music with particular focus on early sci-fi movies is discussed. This work is coming out from a phenomenal relationship between music and sound effects not often found outside of this genre. This topic is the rich source of an interdisciplinary overlaps and the cultural contexts, however not so much interest has been put yet to this field neither from Film or history of Electronic Music.
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San Minn (or) An Artist who prefer creating and paintings than his life
Zeya, Pyin Nyar ; JANEČEK, Vít (advisor) ; VOJTĚCHOVSKÝ, Miloš (referee)
No one can control a painter artist’s freely thoughts and ideas and although his paintings were under the high pressure and banned by force, the artistic value of his materials never go down. So that I am writing this paper.
He, San Minn has broken out the mainstream of Burmese painting field, he never made business paintings as well. He keeps his belief on the art of paints and he is always finding for the new way to make his paintings. His materials are very different from other Burmese painter artists’ materials. His style is unique in Burmese paintings. So I can get a chance to study of his style, ideas, ways of thinking and his determination on the art works.
My paper can show a painter artist’s life who grew up under the military rule for 50 years and the situation and history of Burmese painting field. Then not only people who are studying the painting subject, but also other people can know about the subject of Burmese painting and field of artists. I dare say that my paper must be colorful and fruitful.
As a painter artist, it seems that he wants his audience to feel his materials but he rare to show his real life behind the pictures. For me, I can get a chance to know about his real life for my thesis paper.
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Thesis Statement
My thesis can be useful for everybody who is interested in Burmese contemporary art field.
This is the biggest chance to read about one of the most famous, important and significant artists and art movements of Burma. His paintings are reflecting his journey through over 40 years of censorship, but he was not afraid to tackle political and social issues.
Many of San Minn's art works are based on autobiographical, making sharp social commentary on the popular culture, social values and scenario circumstances where he has lived in.
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Common features of movies integrating the theater phenomenon into their narrative and stylistic structure
Merková, Hana ; JAŘAB, David (advisor) ; Havas, David (referee)
The subject of this bachelor thesis is the common features of foreign and czech movies integrating theater phenomenon into their narrative and stylistic structure. For better explanation, firstly, the forms, which are not included in the area of interest are described- the audiovisual record of theater performance, film adaptation of dramatic play, or insertion of theater performance into the movie content. In following chapters, three different movie examples working with theater in their structure are being described and analysed. Then, thesis is trying to find the reasoning for the usage of two different mediums and their mutual comunication as a principle of autorship. Finally, thesis is trying to summarize common thematic and formal characteristics of chosen movies.
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Report on the Last Work by Dr. Erich Nuding
Rohn, Jiří
This is a facsimile copy of a 1994 report on the unpublished last paper by Dr. Erich Nuding. It is being made public here in the hope that even after twenty-two years it may be of interest for researchers working in the area of interval computations because of the intriguing concept of the "fourth modality" which has not been rediscovered during a quarter of century which has elapsed since its original formulation.
Fulltext: content.csg -  PDF
Plný tet: v1235-16 - PDF
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Determination of content substances for selected species and varieties of roses.
Slavíková, Eva ; Sus, Josef (advisor) ; Súkeníková, Tereza (referee)
This bachelor's work is focused on comparing the most significant content substance, vitamin C, in fruits of chosen rose kinds species and varieties. Herbal products are often seen by people as products of "second choice", when failure of allopathic treatment occurs, which is focused especially on suppressing symptoms of illness, but it ignores health of the human body as whole. That's why are herbal products often alternative for therapy of chronic diseases. The base of this work is extensive literary research and results of laboratory measurings. Literary part of this work includes description of botanical classification of rose plants. There is stated basic characteristic of individual rose species and their morphological features. In following chapters is composed overview of effective substances in rose fruits and their effect on human health. In practical part of this work are included results of laboratory tests for determining ascorbic acid content for chosen samples of rose species and it also includes results of weighing and measuring of fruit samples of chosen rose species. There are also stated chosen rose species and shortly their origin and description, in the beginning of practical part. For practical part were chosen samples of species. Results of practical part are compiled into statistic tables and graphs and it confirms high content of ascorbic acid in rose fruits. This content is in range of cca 300 - 900 mg.100 g-1. Due to growing interest in alternative treatment options and "clean" natural product, it can be assumed, that many plants of Rosaceae family will keep its place in treatment practice. Those plants will be used not only for treatment of acute and chronic diseases, but also for cosmetic products production, thanks to its large effects and process options.
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Managerial skills
Červinková, Barbora ; Kříž, Josef (advisor) ; Zdeněk, Zdeněk (referee)
The theoretical basis of this thesis explains the terms closely associated with the management and managerial skills. Introductory part relates to approach the concept itself and the executive management, we are further broken down managerial functions, which are continuously illuminates to describe other skills, such as communication, goal setting, skills and coaching. The main point is to approach the concepts of soft and hard skills that managers should possess, or which should in the course of his practice to learn. Only by careful control of both of these groups of skills can lead to good organization. For a clearer explanation of the managerial skills included graphic view, which approximates the distribution of skills. In the second part, a practical part, described the situation with the existing skills of managers in the selected company. Thanks to the questionnaire, it is possible to measure the current level of acquired skills of managers at three levels and can be evaluated, what is the interest of improving individual skills, or whether managers feel sufficiently qualified for their job positions.
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Dmitry Shostakovich: Piano Trio Nr. 2 e-minor, op. 67
Škodová, Judita ; PETRÁŠ, Miroslav (advisor) ; ERICSSON, Mikael (referee)
The master thesis concerns with the Trio for violin, cello and piano Nr. 2 e minor by one of the most significant Russian composers of all times – Dmitry Shostakovich. Presenting a brief biography of the composer, the thesis continues introducing Ivan Ivanovich Sollertinsky, a very interesting personality of the Soviet cultural life and also one of the closest friends and colleagues of Shostakovich, to whom he dedicated his Trio Nr. 2. Following, there is a general introduction of the circumstances that influenced the composer’s life in those days, therefore also his musical language and the final shape of his Trio Nr. 2, including the circumstances of its premiere and also the most significant performers of this piece. The greatest part of the thesis concerns with an overal analysis of all the four movements of the composition from both technical and expressional point of view.
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Petr Bazala - life and work
Míč, Miroslav ; MALÝ, František (advisor) ; KASÍK, Martin (referee)
This thesis intoduce us with a successful composer and personality. First part is about his life
– youth, studies, interests, musical success, teaching the children. Second part is dedicate to
his work, full list of compositions with illustrations and analyses of choosen pieces, as well as
a CD recordings include.
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