Ce travail se concentre sur le cours d'analyse enseigné à l'École polytechnique de 1795 à 1809. En devenant professeurs, plusieurs mathématiciens au tournant du 19ème siècle y ont contribué par des ouvrages importants d’Analyse. Parmi eux, Joseph-Louis Lagrange (1736-1813) joua un rôle central, en y devenant le premier Institutor d'analyse. Les trois premiers chapitres de cette thèse se focalisent sur les leçons que Lagrange donna de 1795 à 1799. En insistant sur le fait que Lagrange enseignait l'arithmétique à l’École Polytechnique avant son cours d'analyse, la première partie de cette thèse clarifie les raisons pour lesquelles de Lagrange incorporait ces éléments d’arithmétique et leur relation avec le cours d’analyse. Cette étude fournit une discussion détaillée des concepts fondamentaux des mathématiques dans les cours de Lagrange. Ainsi, on y montre que l'intention de Lagrange est de lier des branches différentes de l'analyse à l'algèbre à l'arithmétique. Ce travail montre de quelles façons et en quels termes Lagrange unifie ces branches. De plus, cette thèse met l'accent sur les valeurs épistémologiques que Lagrange poursuit et défend dans ses travaux mathématiques, sur la base desquelles Lagrange a choisi la méthode des développements des fonctions en séries pour présenter les principes du calcul différentiel. La but de la deuxième partie de cette thèse est de montrer à quel point le cours de Lagrange à l'Ecole Polytechnique a influencé l'enseignement de trois autres professeurs: Joseph Fourier (1768-1830), Jean-Guillaume Garnier (1766-1840) et Sylvestre-François Lacroix (1765-1843). Fourier inventa une nouvelle méthode en croisant la méthode de Lagrange et la méthode des limites. Garnier et Lacroix suivent essentiellement la méthode de Fourier, mais avec quelques modifications. En comparant les deux traités du calcul différentiel de Lacroix, cette étude montre que la pratique de l’enseignement, ainsi que la destination des élèves de l’École Polytechnique ont constitué des facteurs importants dans l’évolution des principes du calcul différentiel et de leur présentation / This work studies the courses of analysis taught at the Ecole Polytechnique (EP) from 1795 until 1809. Several mathematicians of the eighteenth century contributed important works as they practiced the teaching of analysis at this school. Joseph-Louis Lagrange (1736-1813) was the central figure, who had been the first professor of the course of analysis at the EP and had great impact on his successors. In order to show in which way and to what degree the lectures that Lagrange gave exerted influence on the teaching of analysis at the EP, this dissertation gives a detailed discussion on Lagrange’s publications and courses of analysis, as well as those by other teachers, i.e. Joseph Fourier(1768-1830), Jean-GuillaumeGarnier(1766-1840)andSylvestre-FrançoisLacroix (1765-1843). It achieves the following conclusions. First, Lagrange, taking into account the utility for students, chose to found analysis on the method of the developments of functions in series, so that analysis could be united with algebra, and arithmetic as well. Second, Lagrange’s approach to differential calculus, as well as the epistemic values he pursued in his mathematical works, provided influential source for the teaching of analysis by other professors. The thesis is that the three professors who taught beside or after Lagrange followed Lagrange’s ideas, although each made some modifications on his own course

Hourya Sinaceur présente dans son ouvrage Corps et Modèles la théorie des caractéristiques de Kronecker comme la fin d’« un cycle d’idées sturmiennes », la situant ainsi dans une histoire de l’algébrisation du théorème de Sturm. Pourtant, cette théorie est souvent aussi présentée comme le point de départ de certains des premiers travaux de topologie de la toute fin du dix-neuvième siècle. Nous souhaitons dans cette thèse rendre compte de la façon dont ces deux histoires se rencontrent au sein de la théorie de Kronecker. Pour cela, nous disposons d’un matériel particulièrement éclairant et jusqu’alors très peu exploité : les manuscrits des cours que Kronecker a donnés à l’Université de Berlin entre 1872 et 1891 sur la Théorie des équations algébriques. Nous commencerons par présenter ces manuscrits, leur contenu et leur contexte de rédaction. Nous nous intéresserons ensuite plus précisément à la reprise du théorème de Sturm par Kronecker, et nous montrerons que la théorie des caractéristiques n’est pas seulement un prolongement algébrique de ce théorème, mais qu’elle se transforme pour fournir certains des outils analytiques que Poincaré utilisera lors de la construction de son Analysis Situs. L’exposition de la théorie des caractéristiques dans ses cours est l’occasion pour Kronecker de reprendre trois des quatre démonstrations que Gauss a données du théorème fondamental de l’algèbre, et nous montrerons comment, dans la pratique de Kronecker, la notion même de racine est interrogée / In her book Corps et Modèles, Hourya Sinaceur presented Kronecker’s theory of characteristics as the end of a “cycle of Sturmian ideas”, making it a step in history of the algebraization of Sturm’s theorem. However, this theory is often also introduced as the starting point of some of the early works of topology of the very end of the nineteenth century. In this PhD thesis, I will describe how these two stories are connected in Kronecker’s theory. To achieve this, I used material which has seldom been discussed before : the manuscripts of the courses that Kronecker gave at the University of Berlin between 1872 and 1891 on the Theory of algebraic equations. I begin with the presentation of these manuscripts, their contents and their writing contexts. I then look more closely at Kronecker’s rework of the theorem of Sturm and show that the theory of characteristics is not only an algebraic extension of this theorem but also that it is transformed in order to provide some of the analytic tools that Poincaré will use for the construction of his Analysis Situs. The exposition of the theory of characteristics in his courses is an opportunity for Kronecker to take up three of the four demonstrations from Gauss of the fundamental theorem of algebra, and I will show how, in Kronecker’s practice, the very notion of root is questioned

Este trabalho tem por objetivo oferecer uma alternativa para um aprendizado mais significativo, especialmente na introdução à trigonometria. Queremos mostrar aos estudantes que a Matemática é uma ciência em movimento e que vem sendo construída há milênios conforme a necessidade e curiosidade humana. Para alcançar tal objetivo estamos sugerindo uma atividade baseada na metodologia de resolução de problemas e investigação matemática. Acreditamos que apresentando problemas da antiguidade que foram importantes motivadores do desenvolvimento deste ramo da matemática, podemos ao mesmo tempo despertar interesse e atribuir significado à construção dos conceitos a partir do contexto histórico. Para fechar a sequência de atividades, estamos propondo um experimento em que os estudantes tenham que aplicar os conhecimentos adquiridos. Desta forma esperamos mostrar que essas ferramentas podem ser poderosas aliadas no processo de ensino e aprendizagem mostrando ao estudante que ele também pode fazer parte desta história e ajudar a continuar construindo a Matemática. / The aim of this study is to provide an alternative for a more meaningful learning, specially in regard to introduction to trigonometry. We intend to show students that mathematics is a live science, one that is being built over the centuries, according to humans curiosity and needs. In order to achieve such goal, we suggest an activity based on problem solving and mathematics investigation theory. We believe that by introducing ancient problems which were key motivators to the development of this field of mathematics, we may increase students interest as well as help convey meaning to the building of concepts through the historical context. As a wrap up activity, we propose an experiment in which the students have to put their knowledge to practice. By doing so, we hope to demonstrate that these tools can be powerful allies in the learning process, showing students that they can be part of this history and help continue building mathematics.

This dissertation deals with aspects of axiomatization, intuition and visualization in the history of mathematics. Particular focus is put on the end of the 19th century, before David Hilbert's (1862–1943) work on the axiomatization of Euclidean geometry. The thesis consists of three papers. In the first paper the Swedish mathematician Torsten Brodén (1857–1931) and his work on the foundations of Euclidean geometry from 1890 and 1912, is studied. A thorough analysis of his foundational work is made as well as an investigation into his general view on science and mathematics. Furthermore, his thoughts on geometry and its nature and what consequences his view has for how he proceeds in developing the axiomatic system, is studied. In the second paper different aspects of visualizations in mathematics are investigated. In particular, it is argued that the meaning of a visualization is not revealed by the visualization and that a visualization can be problematic to a person if this person, due to a limited knowledge or limited experience, has a simplified view of what the picture represents. A historical study considers the discussion on the role of intuition in mathematics which followed in the wake of Karl Weierstrass' (1815–1897) construction of a nowhere differentiable function in 1872. In the third paper certain aspects of the thinking of the two scientists Felix Klein (1849–1925) and Heinrich Hertz (1857–1894) are studied. It is investigated how Klein and Hertz related to the idea of naïve images and visual thinking shortly before the development of modern axiomatics. Klein in several of his writings emphasized his belief that intuition plays an important part in mathematics. Hertz argued that we form images in our mind when we experience the world, but these images may contain elements that do not exist in nature.

<p>This dissertation explores the ideational underpinnings of the rise of the west through a comparison of ancient Greek geometry, medieval Arabic algebra, and early modern European calculus. Blending insights from Thomas Kuhn, Michel Foucault, and William H. Sewell, I assert that there is an underlying logic, however clouded, to the unfolding of a given civilization, governed by a cultural episteme that delineates the boundaries of rational thought and the accepted domain of human endeavor. Amid a certain conceptual configuration, the rise of the west happens; under other circumstances, it does not. Mathematics, as an explicit exhibition of logic premised on culturally determined axioms, presents an outward manifestation of the lens through which a civilization surveys the world, and as such offers a window on the fundamental assumptions from which a civilization's trajectory proceeds. To identify the epistemological conditions favorable to the rise of the west, I focus specifically on three mathematical divergences that were integral to the development of calculus, namely analytic geometry, trigonometry, and the fundamental theorem of calculus. Through a comparative/historical analysis of original source documents in mathematics, I demonstrate that the logic in the earlier cases is fundamentally different from that of calculus, and furthermore, incompatible with the key developments that constitute the rise of the west. I then examine the conceptual similarities between calculus and several features of the rise of the west to articulate a description of the early modern episteme.</p> / Dissertation

The aim of this study was to investigate the roles of year in teacher education program and gender on prospective elementary mathematics teachers&rsquo / knowledge of history of mathematics and their attitudes and beliefs towards the use of history of mathematics in the teaching and learning of mathematics. Moreover, the relationship between prospective teachers&rsquo / knowledge of history of mathematics and their attitudes and beliefs about the history of mathematics usage was examined. The data of the study were obtained from 1593 prospective teachers who were enrolled in first, second, third, and fourth years of Elementary Mathematics Education undergraduate program of nine universities located in seven geographical regions of Turkey through clustered random sampling. The scales used in the data collection were Knowledge of History of Mathematics (KHM) Test and Attitudes and Beliefs towards the Use of History of Mathematics in Mathematics Education (ABHME) Questionnaire. The two-way ANOVA results clarified that prospective teachers&rsquo / knowledge of history of mathematics improved as the years enrolled in the program increased. Results also revealed that males had significantly higher mean scores on KHM Test than females in the first two years of the program. In the third and fourth years, this situation reversed such that females had higher KHM mean scores, but this difference was not statistically significant. Results also showed that prospective teachers&rsquo / ABHME mean scores increased as years of enrollment in the program increased. More clearly, senior prospective teachers&rsquo / relevant mean scores were significantly higher than that of freshmen and sophomores, and juniors&rsquo / attitudes and beliefs were significantly higher than that of freshmen. In addition, females&rsquo / ABHME mean scores were significantly higher than that of males for all years. Lastly, a positive correlation between prospective elementary mathematics teachers&rsquo / KHM mean scores and ABHME mean scores was found through Pearson product-moment correlation analysis.

This thesis addresses an issue in the philosophy of Mathematics which is little discussed, and indeed little recognised. This issue is the phenomenon of a ‘change of setting’. Changes of setting are events which involve a change in a scientific framework which is fruitful for answering questions which were, under an old framework, intractable. The formulation of the new setting usually involves a conceptual re-orientation to the subject matter. In the natural sciences, such re-orientations are arguably unremarkable, inasmuch as it is possible that within the former setting for one’s thinking one was merely in error, and under the new orientation one is merely getting closer to the truth of the matter. However, when the subject matter is pure mathematics, a problem arises in that mathematical truth is (in appearance) timelessly immutable. The conceptions that had been settled upon previously seem not the sort of thing that could be vitiated. Yet within a change of setting that is just what seems to happen. Changes of setting, in particular in their effects on the truth of individual propositions, pose a problem for how to understand mathematical truth. Thus this thesis aims to give a philosophical analysis of the phenomenon of changes of setting, in the spirit of the investigations performed in Wilson (1992) and Manders (1987) and (1989). It does so in three stages, each of which occupies a chapter of the thesis: 1. An analysis of the relationship between mathematical truth and settingchanges, in terms of how the former must be viewed to allow for the latter. This results in a conception of truth in the mathematical sciences which gives a large role to the notion that a mathematical setting must ‘explain itself’ in terms of the problems it is intended to address. 2. In light of (1), I begin an analysis of the change of setting engendered in mathematical logic by Gottlob Frege. In particular, this chapter will address the question of whether Frege’s innovation constitutes a change of setting, by asking the question of whether he is seeking to answer questions which were present in the frameworks which preceded his innovations. I argue that the answer is yes, in that he is addressing the Kantian question of whether alternative systems of arithmetic are possible. This question arises because it had been shown earlier in the 19th century that Kant’s conclusion, that Euclid’s is the only possible description of space, was incorrect. 3. I conclude with an in-depth look at a specific aspect of the logical system constructed in Frege’s Grundgesetze der Arithmetik. The purpose of this chapter is to find evidence for the conclusions of chapter two in Frege’s technical work (as opposed to the philosophical). This is necessitated by chapter one’s conclusions regarding the epistemic interdependence of formal systems and informal views of those frameworks. The overall goal is to give a contemporary account of the possibility of setting-changes; it will turn out that an epistemic grasp of a mathematical system requires that one understand it within a broader, somewhat historical context.

Students today need to be taught not only the real life context of their mathematics lessons but also the historical context of the theory behind their mathematics lessons. Using history to teach mathematics, makes your lessons not only interesting but more meaningful to a large percentage of your students as they are interested in knowing the who, how and why about certain rules, theorems, formulas that they use everyday in class. Students are captivated by learning the history behind mathematicians, rules, etc. and therefore can link the lesson to something in history and a concept. Even learning the mathematics behind historical events motivates and interests them. They cannot get enough!

Orientador: Miriam Godoy Penteado / Banca: Claudia Coelho de Segadas Vianna / Banca: Marcos Teixeira Vieira / Resumo: Esta dissertação apresenta uma pesquisa de mestrado em Educação Matemática cujo objetivo foi analisar o processo de construção e adaptação de uma História em Quadrinhos sobre Matemática para alunos cegos e videntes. No texto a revista é denominada História em Quadrinhos Adaptada - HQ-A. Para a realização da pesquisa buscou-se suporte teórico em trabalhos sobre Educação Inclusiva com ênfase na educação de cegos e sobre o uso educacional de histórias em quadrinhos. A abordagem metodológica é a de design social, considerando-se que o processo de construção contou com a participação de possíveis usuários. A HQ-A possui 76 páginas impressas em um papel A4 (140g) adequado para escrita e leitura manual do sistema braille e adaptada em relevo. Para as adaptações foram utilizadas uma máquina de escrever braille e uma carretilha de costura, e, para garantir uma leitura pelo tato, houve a ajuda de um jovem cego. Espera-se que este material seja utilizado como recurso de ensino em sala de aula por todos os alunos / Abstract: This thesis presents a research in the field of mathematics education whose aim was to analyze the process of construction and adaptation of a comic book about mathematics to blind students and seers. In the paper, the material is called Comic Book Adaptation - HQ-A. To carry out the research we aimed to support theoretical work about Inclusive Education with an emphasis on education for the blind people and the use of educational comics. The methodological approach is to social design, considering that the construction process only happens with the participation of potential users. HQ-A has 76 pages printed on A4 paper (140g) suitable for reading and writing manual Braille and adapted in relief. For the adjustments were used a Braille typewriter and a reel of sewing, and to ensure a reading by touch, there was the help of a young blind. Adaptations in HQ-A were in favor of building a reading material accessible by feel, because tactile representation is very important for blind readers. In addition to HQ-A can also be read by sighted people. It is hoped that this material is used as a teaching resource in the classroom for all students / Mestre

My thesis deals with various methods of solving the correlation of~the~diametres of four mutually tangent circles. It also deals with the history of~the~derivation of mathematical property. The didactic part contains a book of solved tasks. It involves the topic of Apollony fractals, gothic vaults, examples of~mutually tangent circles and set of exercises for practising different solutions of the various cases.