Operator Theory and Its Applications: In Memory of V. B. Lidskii (1924-2008)

This book is a collection of articles devoted to the theory of linear operators in Hilbert spaces and its applications. The subjects covered range from the abstract theory of Toeplitz operators to the analysis of very specific differential operators arising in quantum mechanics, electromagnetism, and the theory of elasticity; the stability of numerical methods is also discussed. Many of the articles deal with spectral problems for not necessarily selfadjoint operators. Some of the articles are surveys outlining the current state of the subject and presenting open problems.

Earl of Aylesford v Morris (1873)

A Characteristic of a landmark case is that it stands for a proposition of law. In Earl of Aylesford v Morris,1 Lord Selborne held that where there existed an inequality between contracting parties, with weakness on one side and an extortionate advantage taken of that weakness on the other, the contract could not stand unless the party claiming the benefit of the contract could rebut the presumption by establishing that the transaction was ‘fair, just and reasonable’. This chapter examines the historical circumstances behind the formulation of this proposition.

Questioning Kenneth N. Waltz (1924-2013)

Two little-known academics examine the doctoral thesis of a young theorist, Kenneth Waltz. They conclude that his work is important, despite its ambiguities. Some years later, they catch up with Professor Waltz between classes and explore how his ideas have developed.

Hur man döljer det korta håret : Kvinna i hus och hem i Bonniers Veckotidning 1924 - 1925

1920-talet var en tid av turbulenta förändringar i det västerländska samhället. Kvinnors rättigheter och möjligheter att styra över sina egna liv förändrades drastiskt. Tidigare årtionden hade i stor utsträckning sett på kvinnan som mamma och husmoder, men nya kvinnoroller börjar under 1920-talet bli accepterade. Bonniers Veckotidning var en tidskrift som publicerades på 1920-talet i Sverige. Detta arbete behandlar hur kvinnan som mamma och husmoder skildras i just denna veckotidning. Undersökningen utförs med underrubrikerna Utseendet, Moderskapet och äktenskapet och Kvinnan i hem och hus. Bonniers Veckotidning visar sig innehålla en röd tråd gällande hur kvinnan som mamma och husmoder ska vara, hon ska vara händig, ständigt närvarande, naturlig och alltid sätta familjen i första rummet. Kvinnor som inte prioriterar familj och hem ses som något exotiskt och inte helt rumsrent. Att kvinnan som läser Bonniers Veckotidning är mamma och hustru framstår i tidningen som helt självklart, det speglas i både artiklar och reklam. Kvinnan ska alltså vara en fokuserad hustru och mamma, vara naturlig och rar, vara duktig på att laga mat och ordna saker i hemmet.

O ouro branco abre caminho: o algodão e a modernização do espaço urbano da Cidade da Parahyba (1850-1924)

The present research deals with the modernization process of the Cidade da Parahyba2, between 1850 and 1924, and its relation with the cotton economy, which represented the main source of wealth accumulation for both the private and the public sectors throughout the First Republic. This study on urban history was developed by focusing on the understanding of the city s spatial formation, and despite its emphasis on the economic aspects involved, other factors that also contribute to the development of the social life were not put aside. The modernization process of the Cidade da Parahyba was also analyzed during the period established for the study according to a chronological and thematic approach that established comparisons with the financial situation of the State, whenever this was necessary, with special attention to the contribution of the cotton economy to the State´s revenues. It was possible to detect a lack of financial help and loans from the federal and municipal administrations for finishing several public works already underway in the capital, since the federal funds allocated to the State of Parahyba do Norte were rather employed in emergency works against droughts and in agricultural development. One can then conclude that the financial resources required for the urban interventions were withdrawn from the State s treasury itself, resources that were collected mainly from activities such as cotton exportation and cotton trading. Another factor shows the interdependence between the urban remodeling and the cotton economy: during the years marked by great droughts or by hard plagues on the cotton plantations, cotton production decreased, as well as the State s finances. The first measures taken by the State s administrators were to halt all projects of urban remodeling in progress in the Cidade da Parahyba, which was, clearly, the most privileged city by the State s presidents during the period analyzed. 2 The city of João Pessoa was named Cidade da Parahyba, a designation that remained until September 1930, when it received its present-day name in order to pay homage to the president of the State, João Pessoa Cavalcanti de Albuquerque, murdered in the city of Recife in August of that same year. At that time, the State of Paraíba was known as Parahyba do Norte. Since this work is limited to a period of time comprised within the First Republic, the names employed respect the terms used in those days

O ideário modernizador do governo graccho cardoso (1922-26) e a reforma da instrução pública de 1924 em Sergipe

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Cecília Meireles e a lírica pedagógica em Criança meu amor (1924)

The research Cecília Meireles and the Pedagogical Lyric in Children My Love (1924) consists in a critical analysis, a cultural and historical approach to the pedagogical intentionalities and to the social and educational functionalities expressed in the childish literary work of the poetess and educator Cecília Meireles (1901-1964), in Brazil, during the first decades of XX century. The author s conceptions of the literary art, the philosophical and educational foundations, the Christian and liberal ideologies and values pertinent to her work for children and the relations between her texts and the ideals of the Brazilian intellectuals to effect changes in the every day life based on the child formation and on the teaching feminization process were examined in the work. This paper shows a content analysis with the intention of offering signification to the work Children My Love (1924) according to the investigation of specific categories: child, motherhood and schooling; through the exploration of synonymous and bipolar key-words found in Cecília s documents: child/adult, teacher/mother; school/home, ignorance/intelligence. The research intends to understand how the author articulates, in her informal pedagogical action in Children s Literature, science, literary and Christian faith knowledge, in order to expand her social and educational ideal concentrated in children, guided by the maternal hand and aimed at constructing a New Man, New Civilization and a New Social Order

Nestor lima e a modernização conservadora da gestão educacional no Rio Grande do Norte entre 1924-1928

This study attempts to investigate the school administration in the Department of Education of Rio Grande de Norte, in the period 1924 to 1928, in the context of conservative modernization in its management, implemented by Nestor Lima dos Santos. Addresses the trends of administrative Nestor Santos Lima and sequence of these variables so that we can correlate and monitor the development of various economic, social, cultural and political, to show how influenced and even determined the direction of education, not only the state of RN, but throughout the country. For this purpose, it is the recapitulation of the history of life, experiences of work and travel reports of this important figure, including administrative concepts, aiming to identify the school administration, introduced by him in the 1920s, as those who received influence of characters that included the social and historical context of the time, reconstituting the ways following the education. It was developed by Nestor shares in Lima on the administration of public schools, their way of management, and can see how was the process of modernization of education in Rio Grande do Norte state and how it followed the rapid changes, experienced by Brazil, during this period. Show up on the design aspects of modernizing Nestor Lima in the Department of Education, the Director General of Administrative Acts, the internal record of school groups, Isolated Schools, Schools rudimentary and the newly created Board of Education, highlighting the Internal Rules of Council but the General Regulations of the Department of Education. This work also highlights the proposed administrative Nestor of Lima, while educational model of an operating system of the organization, training and education, which is present in the area of production of discourse, through body practice, characteristic of the record established levels of policy development and implementation of educational instruction in all state. Key-words: school administration. Conservative modernization. Public Education

A taxonomic review of Neogriphoneura Malloch, 1924 (Diptera : Lauxaniidae), with description of three new species

The status of the Lauxaniidae genus Rhabdolauxania Hendel, 1925 is reevaluated and is synonymized under Neogriphoneura Malloch, 1924. Three new combinations, N. immaculata (Hendel, 1933), comb. nov., N. laevifrons (Hendel, 1925), comb. nov., and N. schnusei (Hendel, 1925), comb. nov. are proposed. Two lectotypes are designated. Three new species of Neogriphoneura are described: N. bispoi sp. nov., from Santa Catarina, Brazil, N. pacata sp. nov., from La Paz, Bolivia, and N. corrugata sp. nov. from British Virgin Islands. Illustrations of the head, wing, male and female terminalia are provided for the new species. This raises the number of species in the genus from the present five to eleven. A key is provided for the species of the genus.

Chemometric analysis of Hymenoptera toxins and defensins: A model for predicting the biological activity of novel peptides from venoms and hemolymph

When searching for prospective novel peptides, it is difficult to determine the biological activity of a peptide based only on its sequence. The trial and error approach is generally laborious, expensive and time consuming due to the large number of different experimental setups required to cover a reasonable number of biological assays. To simulate a virtual model for Hymenoptera insects, 166 peptides were selected from the venoms and hemolymphs of wasps, bees and ants and applied to a mathematical model of multivariate analysis, with nine different chemometric components: GRAVY, aliphaticity index, number of disulfide bonds, total residues, net charge, pI value, Boman index, percentage of alpha helix, and flexibility prediction. Principal component analysis (PCA) with non-linear iterative projections by alternating least-squares (NIPALS) algorithm was performed, without including any information about the biological activity of the peptides. This analysis permitted the grouping of peptides in a way that strongly correlated to the biological function of the peptides. Six different groupings were observed, which seemed to correspond to the following groups: chemotactic peptides, mastoparans, tachykinins, kinins, antibiotic peptides, and a group of long peptides with one or two disulfide bonds and with biological activities that are not yet clearly defined. The partial overlap between the mastoparans group and the chemotactic peptides, tachykinins, kinins and antibiotic peptides in the PCA score plot may be used to explain the frequent reports in the literature about the multifunctionality of some of these peptides. The mathematical model used in the present investigation can be used to predict the biological activities of novel peptides in this system, and it may also be easily applied to other biological systems. © 2011 Elsevier Inc.

O complexo cafeeiro e a influência do crédito na circunscrição do município de Descalvado (1873-1915)

Pós-graduação em História - FCHS