NCube/papyrus huggingface dataset:
Superintégrabilité avec séparation de variables en coordonnées polaires et intégrales du mouvement d’ordre supérieur à deux

In this thesis, we propose new superintegrable systems separable in polar coordinates. After the introduction, in chapter 2, we present a complete classification of all separable systems in polar coordinates  which admit a third order integral in addtion to the second order one responsible for the separation of variables. New potentials expressed in terms of the sixth Painlevé transcendent and of the Weierstrass elliptic function are obtained. In chapter 3 we introduce an infinite family of integrable and exactly sovable classical and quantum systems separable in polar coordinates. This family is described in term of a parameter k. The energy spectrum and the  wave functions of the quantum systems are obtained. A conjecture postulating the superintegrability of these systems is formulated and is verified for the first cases k = 1,2,3,4. The order of the integrals is 2k where k ∈  ℕ. The algebraic structure of the family of quantum systems is formulated in term of a hidden algebra where the number of generators depends on the parameter k. A quasi-exactly solvable and integrable  generalization of the family of potentials is proposed. Finally in chapter 4, the classical trajectories of the family of systems are calculated for all the rational cases k ∈  ℚ. Those are expressed in term of  Chebyshev polynomials. We plot the curves associated with the trajectories for  k=1,2,3,4,1/2, 1/3 and 3/2. The bounded curves are closed and periodic in the two dimensional phase space. Those results obtained reinforce the possible veracity of the conjecture.

Keyphrases: integrability, superintegrability, exactly solvable, separation of variables
Éclatement et contraction lagrangiens et applications

Given a symplectic manifold (M,ω) and a Lagrangian submanifold L, we construct versions of the symplectic blow-up and blow-down which are defined relative to L. Furthermore, if M admits an anti-symplectic involution ϕ, i.e. a diffeomorphism such that ϕ2 = Id and ϕ*ω  = —ω , and we blow-up an appropriately symmetric configuration of symplectic balls, then we show that there exists an antisymplectic involution on the blow-up ~M as well. We derive a homological condition for real Lagrangian surfaces L = Fix(ϕ) which determines when the topology of L changes after a blow down, and we then use these constructions to study the real packing numbers for real Lagrangian submanifolds in (ℂP²,ℝP²).

Keyphrases: Packing, Real symplectic manifolds, Relative packing, Anti-symplectic involution, Four-manifolds, Symplectic
La néoglucogenèse rénale : un nouvel aspect dans la restriction de croissance intra-utérine chez le rat

An adverse intrauterine environment is associated with several pathological conditions at adult age, however, the mechanisms underlying such a link remain to be elucidated. Feeding a low-sodium diet to dams during the last week of gestation consistently resulted in giving birth to intrauterine growth restriction (IUGR) offsprings. The present model is characterized by a reduced placental perfusion and a redistribution of a preferential blood flow to the brain and heart at the expense of the kidney. Moreover, renal expression of the vascular endothelial growth factor (VEGF) is decreased in the IUGR fetuses. In this view, we hypothesize that the hepatic and renal  gluconeogenesis is increased in the IUGR fetus in order to compensate the diminished placental perfusion, and the renal expression of VEGF receptors (Flt-1 and Flk-1) is altered in response to the redistribution of the blood flow. The specific aim of this study was to compare the protein expression of gluconeogenic enzymes and VEGF receptors between IUGR and control fetuses. Aldolase B, fructose-1,6- biphosphatase and glucose-6-phosphatase were significantly increased in the IUGR fetal kidneys compared to controls. However, gluconeogenic enzymes did not show any significant change in the IUGR liver. The fetal sex had an impact on the enzymes expression. A decreased expression of Flt-1 was also noted in the kidneys of the IUGR fetuses. Our results pointed out alterations in the fetal life that may be, in a way, essentiel for the survival of the fetus, but somehow, responsible for many pathological consequences at adult age, as the renal dysfunction observed in the present model. For the long term, this work may lead to many future perspectives helping to prevent several diseases, such as hypertension or diabetes for an IUGR case.

Keyphrases: Glucose, Fetal programming, Metabolism, Glucose, Vascular Endothelial Growth Factor
Variations on charisma : Shakespeare's saintly, villain, and lustful leaders

Variations on Charisma: Shakespeare’s Saintly, Villain, and Lustful Leaders is an investigation of the mechanisms of charismatic leadership in Shakespeare’s Henry V, Richard III, and Antony and Cleopatra respectively. It explores certain tools, such as rhetoric, irony, and resignification, which allow the leaders to gain the followers’ love, recognition, and even awe. This thesis will not deal with the essence of charisma as such but rather with the techniques of charismatic leadership.  In the first chapter, I have studied the character of King Harry in three different aspects: as a military leader, as a spiritual leader, and as a political leader. Among the techniques of charismatic leadership which Henry V deploys to gain his followers’ love and devotion is rhetoric. The ability to deliver the right discourse in the right conjuncture and to persuade the followers even in the moments of hardship forms his key strength as a central figure in the play. The second chapter deals with Richard III’s charismatic leadership which is assessed ethically because it is gained through murder. I have tried to examine the possible relations that might exist between charisma and moral agency. In this chapter, I have raised questions about the extent to which charisma is ethical and how a leader, who usurpes power via murder, is charismatic. One technique which reinforces Richard’s charismatic leadership is irony. Richard III deploys irony to gain the audience’s complicity. In the third chapter, the focus is on the character of Cleopatra. The question raised in the chapter concerns the relationship between charisma and the struggle for an oriental feminine identity. Cleopatra’s sexual politics is also at the heart of my study because it is revisited and resignified by Shakespeare in a way that highlights Cleopatra’s charismatic qualities.        Key words: charisma, rhetoric, moral agency, resignification, William Shakespeare

Keyphrases: Charisma, Rhetoric, William Shakespeare, Moral Agency, Resignification
Analyse des ressources de développement de la résilience éducationnelle
devant la violence scolaire chez des enseignants québécois et roumains

Falling into the qualitative research category, this study reports an investigation on which resources are mobilized by five Quebecer teachers and five Romanian teachers for the development of educational resilience in the face of violence occurring in schools, evaluated as a risk factor. The data analysis reveals the competences' function as resources met in the teachers mentioned above. Acting as an exploratory comparative research, this study points out the influence of different cultures, in terms of perception and impact of the experience of violence, acting upon professional competences, feelings of efficiency as well as development and operation of educational resiliency's process of teachers from both national groups. This ”ecosystemic” approach allows the enlightenment of educational resiliency's dynamic process which itself requires resources and relies on factors that secure its operation.

Keyphrases: influences culturelles, types of violence, emotions, strength, professional competences, cultural influences, process, professional satisfaction, resilience, hardiness
Structures quantiques de certaines sous-variétés lagrangiennes non-monotones

Let (M,ω) be a closed connected symplectic maniflod. We consider lagrangian submanifolds α : L →֒ (M,ω). If α is monotone, i.e. there exists η > 0 such that ημ = ω, Paul Biran and Octav Cornea  defined a relative version of quantum homology. In this relative setting they deformed the boundary operator of the Morse complex as well as the intersection product by means of pseudoholomorphic discs. We note (QH(L,Λ), ∗) the quantum homology of L endowed with the quantum product. The main goal of this dissertation is to generalize their construction to a larger class of spaces. Namely, we consider : either the so called almost monotone lagrangian submanifolds, i.e. α is C1-close to a monotone lagrangian embedding, or the toric fibers of toric Fano manifolds. In those cases, we are able to generalize the constructions made by Biran and Cornea. However, in those non necessarily monotone cases, QH(L) will depend on some choices, but in a way irrelevant for the applications we have in mind. In the almost monotone case, we are mainly interested in displaceability, uniruling and ernegy estimates for hamiltonian diffeomorphsims.    Finally, we end by an application, that combine the two approaches, concerning the dynamics of hamiltonian that displace all non-monotone toric fibers of CPn.

Keyphrases: Symplectic topology, Lagrangian submanifold, Quantum homology, Pearl homology, symplectic capacity
Tensions tectoniques du projet d'architecture : études comparatives de concours canadiens et brésiliens (1967-2005)

This thesis aims to contribute to the understanding of the architectural design process through the concept of tectonic, a notion that historically has assumed different meanings and raised essential considerations on the relationship between architectural aesthetics and techniques of construction.  The technical knowledge of building processes developed during the 18th century encouraged a new theoretical approach to the question of the rapport between architectural aesthetics and construction. The following century, when the concept of tectonic made its appearance in architectural discourse in the context of the debate on the notion of style, architect and theorist Gottfried Semper emphasized the material complexity of construction. A century later, historian and critic Kenneth Frampton resurrected the notion of tectonic shifting its meaning to signify the “expressive potential” of construction. The diverse positions of Semper and Frampton converge on the assumption of the necessity for any theory of architecture to encourage a critical thinking of construction.   The present thesis consists of two parts: the first traces the history and significance of the concept of tectonic; the second tests the operational capacity of the notion through a series of investigations of projects from the 1970s to the present. This survey isolates a number of Canadian and Brazilian competition projects selected as privileged examples of innovation and research. In the diverse geopolitical contexts of Canada and Brazil, tectonic is considered as a trans-cultural phenomenon. According to the preliminary hypothesis the ‘tectonic of the project’ considers a theoretical space in which building issues are elaborated in dialectic tensions. The Semperian categories according to which the various ‘elements’ of the building represent different construction techniques are revisited in the study of projects by Patkau Architects (1986) and MMBB Arquitetos (1990). The tension between the formal and symbolic expressions in raw materials is made explicit in the study of architectural projects by Ramoisy Tremblay (2002) and Brasil Arquitetura (2005). Semper’s theory of material transformation (Stoffwechseltheorie) is investigated in relation to the projects of Arthur Erickson and Geoffrey Massey (1967) and Paulo Mendes da Rocha (1969). Among the general tectonic tensions, present in design processes, particular emphasis is devoted to: the contact with the ground; the research for constructive homogeneity (or at the opposite of the spectrum, the multiplicity of building materials); the tension between the representational and the technical aspect of architecture. The shaping of the concept of tectonic, throughout the ensemble of dialectic tensions that inform the design of a building, confirms that questions that may appear merely 'technical' include not only the genius of invention but also the historical knowledge of architectural ideas.

Keyphrases: Tectonic, Constructive expression, Architectural project analysis, Gottfried Semper, Kenneth Frampton
Moranapho : apprentissage non supervisé de la morphologie d'une langue par généralisation de relations analogiques

Recently, we have witnessed a growing interest in applying the concept of formal analogy to unsupervised morphology acquisition. The attractiveness of this concept lies in its  parallels with the mental process involved in the creation of new words based on morphological relations existing in the language. However, the use of formal analogy remain marginal partly due to their high computational cost. In this document, we present Moranapho, a graph-based system founded on the concept of formal analogy. Our participation in the 2009 Morpho Challenge (Kurimo:10) and our subsequent experiments demonstrate that the performance of Moranapho are favorably comparable to the state-of-the-art. We studied the influence of some of its components on the quality of the morphological analysis produced as well. Finally, we will discuss our findings based on well-established theories in the field of linguistics. This allows us to provide some predictions on the successes and failures of our system when applied to languages other than those tested in our experiments.

Keyphrases: Artificial intelligence, Machine learning, Unsupervised learning of morphology, Formal analogy, Graph-based approach
Pratiques éducatives des parents d’enfants ayant un TDA/H : le point de vue des parents et d’un observateur

The purpose of this thesis was to examine various measures of parenting practices and their ability to account for these practices. The instrument’s sensitivity to changes following a parent training program is also examined while taking into account potential moderators of treatment response. Two studies constitute the body of this thesis. The first study compared two parenting practices questionnaire on the basis of empirical data. The Parenting Practices Interview (PPI) is a self-report questionnaire for 3 to 8-year old children used to evaluate changes in parenting practices following a parent training program (PTP). The Alabama Parenting Questionnaire (APQ) is a self-report questionnaire for school-age children that has been used for multiple research purposes. One hundred and twenty parents completed both the PPI and APQ. Correlation analyses, principal component analysis and canonical correlations were performed, with results indicating that the PPI and APQ measure similar parenting practices. Only a few scales from the PPI were not measured by the APQ and represented additional content. Because both measures cover the same parenting practices aspects equally well, choice of questionnaire should be based on purpose of study, practicality and age of children. The second study examined changes in parenting practices following a parent training program for families of school-age children diagnosed with attention-deficit/hyperactivity disorder (ADHD). Changes were examined with an observational measure specifically created for this project. Seventy-seven families were assigned to either the Incredible Years parent training program (PTP), a support phone call group (SPC), or to a community services (C) control group. Parenting practices were assessed before and after the intervention through direct observations. Results showed that parents in the PTP group reduced the percentage of harsh/negative parenting practices and increased the percentage of positive parenting practices used following the intervention while parents from the other two groups did not change. In addition, ADHD subtypes, comorbidity and cumulative risks based on parent’s characteristics did not moderate treatment response. Findings from this study show that the new observational measure is sensitive enough to detect changes following a PTP and also indicate that a parent training program is a valuable intervention for families of school-age children diagnosed with ADHD.

Keyphrases: Parenting practices, Self-report measures, Observation, Parent training program
Encountering the suffering other in illness narratives : between the memory of suffering and the suffering memory

In this research I examine the intersubjective dimension of suffering which affects the relation of the sufferer to his/her lived body, time and space, as well as to his/her narrative identity and narrative memory. I argue that narrative voice constitutes the intersubjective relation in illness narratives that caregivers write about partners or spouses who suffered from brain cancer or Alzheimer’s disease. My discussion draws on ethics, phenomenology, theories of embodiment, life-narratives studies, medical anthropology and sociology, and narratological theory. The object of my study is the embodied, subjective experience of suffering in illness narratives and the main focus is cast on suffering as loss of memory and loss of the narrative self. I analyse Frank Davey’s diary How Linda Died, and John Bayley’s memoirs Iris: A Memoir of Iris Murdoch, and Iris and Her Friends: A Memoir of Memory and Desire. I explore how illness narratives as embodied stories constitute an ethical relation to the suffering Other who bears a lived impossibility of remembering. I situate the discussion of voice in the context of life-narratives and aim at filling in the theoretical gaps of sociological and anthropological approaches of voice in illness narratives. For this, I examine and question narratological studies of narrative voice and focalization. My own definition of narrative voice is based on Emmanuel Levinas’s and Paul Ricœur’s ethics, Saint Augustine’s interpretation of time, memory, and forgetfulness, and on Levinas’s discussion of time as intersubjective relation. I suggest that “spontanéité bienveillante” (Ricœur, Soi-même comme un autre 222) modulates narrative voice as the attention towards the suffering Other whose voice is silenced. Reformulating the Augustinian definition of time that correlates the temporal modes with the reciting voice, I suggest that through the ethical stance towards the Other, voice is distended between the present voice of voice present, the present voice of voice past and the present voice of voice future. I show how the voice of the caregiver is inscribed by and inscribes itself in the interstices of an interrupted, suffering voice. I define life-narratives as textual interfaces between the self and the Other, between one’s own voice and the sufferer’s voice, as a mode of restoring the Other’s narrative integrity.

Keyphrases: Suffering, pain, memory, ethics, illness narratives, other, other, voice, diary, memoir, autobiography, autre, soi
Lecture pragmatique de trois contes québécois contemporains : Jos Gallant d’André Lemelin, Ti Pinge de Joujou Turenne, L’entrain à vapeur de Fred Pellerin

In this thesis, the three tales written by contemporary Quebec storytellers – Jos Gallant by Andre Lemelin, Ti Pinge by Joujou Turenne and L’entrain à vapeur by Fred Pellerin – are for the most part subjected to a pragmatic reading, where the objective is to develop a better understanding of how these storytellers employ structure in storytelling to transmit fiction to their audiences or readers. The study begins with an analysis of each story, a comparison of the storytelling and published versions, and finally their various points of convergence and divergence are highlighted. In accordance with this hypothesis, the analysis of each storyteller’s performance structure will reveal how the performative and fictional discourse dimensions are expressed. Correspondingly, through examining the relationships between the storyteller and the audience, we question the narrator’s status and discover by what means and how the fiction is shared with the audience during the performance. The analysis of performative statements, inspired by the work of Kerbrat-Orechionni and by dynamic vectorization put forward by Pavis for the study of gestures, facial expressions and voice, which are all made to contribution, also targets the identification of any tools useful for storytelling analysis. Once having completed this research, the author demonstrates how structure, especially that used to encourage audience interaction and the overall freedom generally procured can be beneficial in modifying or adapting expressive speech and other resources available to storytellers in each of their performances.

Keyphrases: Canavas, Performance, Storyteller, Storytelling, Stucture, Performance, Acting, Speech acts, Semiotics
Généalogie des résistances cinématographiques : le cas de trois machines autopoïétiques (Eisenstein, Syberberg, Welles)

Our thesis focuses on defining potential relationships between cinema and politics or, more precisely, between cinema and resistance, in its practical aspect. There exists a theory of resistance, either as the mapping of molecular power (M. Foucault), or as resistance analytics (F. Proust). There also exists a theory of cinematographic resistance, either as a sociological or historical analysis of political activism through cinema (cinema of the “Résistance”, militant cinema), or as a semiotic analysis of marginal forms and genres (experimental cinema, avant-garde cinema). Following a tradition instigated by Serge Daney and Gilles Deleuze, we believe that we need to reformulate the issue: if “politics are a matter of perception”, then resistance is first and foremost an invention of visibility and audibility. In that sense, cinematographic resistance is an exploration of what cinema can, from an aesthetical, ethical and political point of view.  Hence our double-sided assumption: on the one hand, this invention of visibility, this creation of potential, can only be possible through an anachronistic recombination of a plastic, narrative and audiovisual distortion into another, that is from one survivance to another. On the other hand, we believe that an aesthetic form is, in itself, both political matter and political manner, and also involves ethics that challenge our individual subjectivity (as a filmmaker, as a spectator, as a citizen, etc.). That said, to capture this invention of visibility inherent to cinema, we have to go through the genealogy of certain of the most important theoretical alliances. We will therefore focus on three particular autopoeitic machines, three constellations of works and thoughts that extend further than the proper names of the “authors” evoked: Eisenstein and methodological resistance; Syberberg and plastic or audiovisual resistances (simply through the off screen figure); Welles and aesth/ethico-political resistances. This genealogic sequence will allow us to better measure the efficiency of these resistances, but without the desire to systemize or build a cinematographic resistance theory.

Keyphrases: cinema, methodology, audiovisual, plastic, off screen, ethics, aesthetics, politics