Relevant bibliographies by topics / Conjugal trajectories

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  2. Dissertations / Theses
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Academic literature on the topic 'Conjugal trajectories'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Conjugal trajectories"

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Widmer, Eric D., Manuela Schicka, Michčle Ernst Stahli, Jean-Marie LeGoff, and René Levy. ""If i had known our couple turned that way, i would not have stopped working" a biographical account of labour force participation and conjugal love." SOCIOLOGIA E POLITICHE SOCIALI, no. 3 (March 2013): 29–49. http://dx.doi.org/10.3280/sp2012-su3003.

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This study examines how the work trajectories of women and men after childbirth and their subjective evaluation influence conjugal love. Data are drawn from the study, «Social Stratification, Cohesion and Conflict in Contemporary Families» (Widmer et al., 2003). The results show that an interruption of labour force participation increases the risk of feeling less in love for women, especially if the interruption is perceived as a sacrifice. Women's feelings of love also depend on the way in which their male partners consider their own work trajectories. Men's feelings of love are much less sensitive to their own and their partners' work trajectories. The results are discussed within the life course perspective.
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Oksuzyan, Anna, Rune Jacobsen, Karen Glaser, Cecilia Tomassini, James W. Vaupel, and Kaare Christensen. "Sex Differences in Medication and Primary Healthcare Use before and after Spousal Bereavement at Older Ages in Denmark: Nationwide Register Study of over 6000 Bereavements." Journal of Aging Research 2011 (2011): 1–8. http://dx.doi.org/10.4061/2011/678289.

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Background. The study aimed to examine sex differences in healthcare use before and after widowhood to investigate whether reduced healthcare use among widowers compared with widows may partially explain excess mortality and more adverse health outcomes among men than women after spousal loss.Methods. All individuals alive and aged at least 60 years in 1996 and who became widowed in the period from 1996 to 2003 were selected from the 5% sample of the total Danish population and all Danish twins. The healthcare use was assessed as the average daily all-cause and major system-specific medication use and the average annual number of visits to general physicians (GPs).Results. The average daily use of all-cause and major system-specific medications, as well as the number of GP visits increased over the period from 1 year before and up to 5 years after a spouse's death, but there were no sex-specific patterns in the trajectories of medication use and number of GP visits after conjugal loss.Conclusion. We found little support for the hypothesis that reduced healthcare use contributes to the explanation of more adverse health outcomes after conjugal loss in men compared with women in Denmark.
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Tseng, Yu-chin. "Should I stay or should I go? Migration trajectories of Chinese–Taiwanese couples in third countries." Asian and Pacific Migration Journal 26, no. 4 (2017): 413–35. http://dx.doi.org/10.1177/0117196817747296.

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This article explores the migration choices of Chinese–Taiwanese couples who have met in a third country as students and formed transnational and cross-cultural families. Being subject to three sets of regulations (those of China, Taiwan and the third country) has put these couples in a more restrictive situation in negotiating their life choices and mobility. Using qualitative data, this article elucidates the migration trajectories of these couples, the conflicts they face, how they negotiate conflict areas and the strategic use of marriage in a third country to be together. This article finds that the conjugal lives of these transnational couples cannot completely disengage from institutionalized cross-Strait relations and state ideologies which eventually push them to stay in a third country rather than return to either of their countries of origin.
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Rybińska, Anna. "Motherhood after the age of 35 in Poland." Studia Demograficzne, no. 1(165) (June 11, 2014): 7–28. http://dx.doi.org/10.33119/sd.2014.1.1.

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Postponing motherhood is a widespread phenomenon across developed countries, however only few studies look into very late motherhood in post-socialist countries using individual level data. In this study, I look at the context of the first childbirth in Poland in the midst of the political transformation of 1989. Employing sequence analysis I reconstructed life trajectories of women who experienced the transition to adulthood during the late 1980’s and the early 1990’s and have just completed their fertility histories. Individual data from the 2011 GGS-PL and the 2011 FAMWELL Survey were used. Comparing paths of mothers’ lives, I searched for differences in educational, professional and conjugal careers between women who gave birth before the age of 30 and after the age of 35. The results show how various life careers crisscross over the life course leading women to late motherhood.
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Burke, Christopher T., Patrick E. Shrout, and Niall Bolger. "Individual differences in adjustment to spousal loss: A nonlinear mixed model analysis." International Journal of Behavioral Development 31, no. 4 (2007): 405–15. http://dx.doi.org/10.1177/0165025407077758.

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The study of within-person change lies at the core of developmental research. Theory and empirical data suggest that many of these developmental processes are not linear. We describe a broad class of multilevel models that allows for nonlinear change — nonlinear mixed models. To demonstrate the utility of these models, we present a nonlinear mixed model analysis of adjustment to conjugal loss. Coming from a perspective of the individual as a regulatory system, our model predicts a faster rate of adjustment immediately following the loss and diminished adjustment as time since the loss increases, approaching an equilibrium level of well-being. This model allows us to estimate various aspects of the adjustment trajectory and individual differences in these trajectories, including multiple ways that pre- and post-loss factors can explain variability in the adjustment process. The model provides new insights into an important phenomenon that cannot be gleaned from linear models and other methods of trajectory analysis. We discuss the strengths and limitations of this type of analysis relative to other methods.
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COLLEWIJN, HAN, CASPER J. ERKELENS, and ROBERT M. STEINMAN. "Trajectories of the Human Binocular Fixation Point during Conjugate and Non-conjugate Gaze-shifts." Vision Research 37, no. 8 (1997): 1049–69. http://dx.doi.org/10.1016/s0042-6989(96)00245-3.

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Bonnard, Bernard, Ludovic Faubourg, and Emmanuel Trélat. "Conjugate Times for Smooth Singular Trajectories and Bang-Bang Extremals." IFAC Proceedings Volumes 36, no. 2 (2003): 117–22. http://dx.doi.org/10.1016/s1474-6670(17)38877-8.

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TEPLINSKY, ALEXEY. "A circle diffeomorphism with breaks that is absolutely continuously linearizable." Ergodic Theory and Dynamical Systems 38, no. 1 (2016): 371–83. http://dx.doi.org/10.1017/etds.2016.24.

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In this paper we answer positively to a question of whether it is possible for a circle diffeomorphism with breaks to be smoothly conjugate to a rigid rotation in the case where its breaks are lying on pairwise distinct trajectories. An example constructed is a piecewise linear circle homeomorphism that has four break points lying on distinct trajectories and whose invariant measure is absolutely continuous with respect to the Lebesgue measure. The irrational rotation number for our example can be chosen to be a Roth number, but not of bounded type.
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MUKHAMEDOV, FARRUKH, MANSOOR SABUROV та AFIFAH HANUM MOHD JAMAL. "ON DYNAMICS OF ξS QUADRATIC STOCHASTIC OPERATORS". International Journal of Modern Physics: Conference Series 09 (січень 2012): 299–307. http://dx.doi.org/10.1142/s2010194512005351.

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In this research we introduce a new class of quadratic stochastic operators called ξ s -QSO which are defined through coefficient of the operator from measure-theoretic (namely we are looking the coefficient as the measures which are absolute continuous or singular) point of view. We also study the limiting behaviour of ξ s -QSO defined on 2D-simplex. We first describe ξ s -QSO on 2D-simplex and classify them with respect to the conjugacy and renumeration of the coordinates. We find six non-isomorphic classes of such operators. Moreover, we investigate the behaviour of each operator from three classes and prove convergence of trajectories of these classes and study their certain properties. We showed trajectories of two classes converge to the equilibrium. For the third class, it is established only the negative trajectories converge to the equilibrium.
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Ivashkin, V. V., and Anqi Lang. "Optimum trajectories for an Earth–asteroid–Earth mission with a high thrust flight." Доклады Академии наук 484, no. 2 (2019): 161–66. http://dx.doi.org/10.31857/s0869-56524842161-166.

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The trajectories of a mission to an asteroid with the presence of a spacecraft (SC) near the asteroid for some time and including a return to the Earth have been studied. A two-stage method of constructing optimum (with respect to the maximum of the useful SC mass) interplanetary trajectories of an Earth–asteroid–Earth mission with high thrust engines has been developed: in the central Newtonian field of the Sun’s attraction at the first stage and with allowance for disturbances at the second stage. An algorithm of constructing conjugate functions for the case of maximizing the useful mass has been designed. The optimum trajectories for the Earth-Apophis-Earth mission have been constructed and analyzed. The possibility in principle of organizing the Earth-Apophis-Earth space mission based on the "Soyuz" and "Zenit" launch vehicles and "Fregat" upper stage for a flight has been demonstrated.
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Dissertations / Theses on the topic "Conjugal trajectories"

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Augusto, Ana Rita Mateus César. "Consequências das ruturas conjugais na reestruturação das redes sociais." Master's thesis, 2013. http://hdl.handle.net/10071/7790.

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Esta investigação trata das consequências que as ruturas conjugais provocam nas redes sociais. Partindo de uma discussão sobre as várias conceptualizações em torno das redes sociais, desenvolvida por Kellerhals e por Vasconcelos, em especial no que respeita aos conceitos de sociabilidade e apoios, desenvolve-se a sua conexão com as ruturas conjugais e como estas são afetadas por aquelas. Parte-se da hipótese de que as redes sociais, sejam elas de parentesco ou não, sofrem efeitos consoante a conflitualidade da rutura conjugal, sendo que tais efeitos também têm repercussões especiais na vida do ego e na dos seus filhos. Assim, procurando testar a redefinição conceptual levada a cabo, analisam-se as redes de apoio e de convivialidade dos entrevistados tanto antes como após a rutura conjugal dos mesmos. Verificando a existência de tipos de rutura diferentes, foi possível criar uma relação entre o nível de rutura, o tipo de conjugalidade e as redes sociais. A partir desta diversidade, foi possível explorar qualitativamente aspetos das reorganizações das redes sociais, tendo-se conseguido tipificar os processos de rutura conjugal consoante a sua conflitualidade.<br>This research deals with the consequences that conjugal ruptures cause in social networks. Discussing the diverse conceptualizations regarding social networks, proposed by Kellerhals and Vasconcelos, specially the sociability and support concepts, it develops its connection with the conjugal ruptures and the way that these ones are affected by those. We draw on the hypothesis that social networks, as family network or not, suffer effects depending on conflict of the conjugal rupture, and those effects also have special effects on the ego’ life and their children’s life. Thus, trying to test the conceptual redefinition made, support and sociability respondents’ networks such as before conjugal rupture as after this one were analyzed. Verifying the existence of different types of rupture, it was possible to create a relationship between the level of rupture,type of conjugality and social networks. From this diversity, it was possible to explore qualitativelyaspects of changes of social networks, having achieved typify the processes of rupture according to their conjugal ruptures.
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Dauphinais, Chloé. "Jeunes amours aux âges avancés : exploration de la mise en couple chez les sexagénaires." Thèse, 2018. http://hdl.handle.net/1866/21341.

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Blondin, Odrée. "Les trajectoires de femmes victimes de violence conjugale : les facteurs qui expliquent la dynamique de la violence physique à travers le temps." Thèse, 2015. http://hdl.handle.net/1866/13653.

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Books on the topic "Conjugal trajectories"

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Prussing, John E. Optimal Spacecraft Trajectories. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198811084.001.0001.

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Optimal spacecraft trajectories are given a modern comprehensive treatment of the theory and important results. In most cases “optimal” means minimum propellant. Less propellant required results in more payload delivered to the destination. Both necessary and sufficient conditions for an optimal solution are analysed. Numerous illustrative examples are included and problems are provided at the ends of the chapters along with references. Newer topics such as cooperative rendezvous and second-order conditions are considered. Seven appendices are included to supplement the text, some with problems. Both classical results and newer research results are included. A new test for a conjugate point is demonstrated. The book is both a graduate-level textbook and a scholarly reference book.
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Book chapters on the topic "Conjugal trajectories"

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Widmer, Eric, Jean Kellerhals, and René Levy. "What Pluralization of the Life Course? An Analysis of Personal Trajectories and Conjugal Interactions in Contemporary Switzerland." In Contemporary Switzerland. Palgrave Macmillan UK, 2005. http://dx.doi.org/10.1057/9780230523586_3.

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Murmu, Maroona. "Women in the Archives." In Words of Her Own. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780199498000.003.0002.

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In order to contextualise texts produced by upper-caste, middle-class bhadramahila, and to get an overview of the condition of women in general in the Bengal Presidency, this chapter uses the conventional archive—official records, censuses, contemporary newspaper reportage, and excerpts from journals. Dealing with the social and cultural base and materialist background that gave impetus to women to write, this chapter will try to provide a holistic picture of similarity and difference between the sensibilities, cultural idioms, lifestyle, and living conditions of women of various strata. In general, though the bhadramahila’s social location and individual positioning in the household differed from that of the lower-caste/class women, they shared cultural experiences and social and domestic conditions that find reflection in literary productions. The trajectories of colonial modernity, conjugal conditions, caste system, female education, and the emerging public sphere are negotiated to highlight the complex manner in which the bhadramahila began to assert her self-identity in print.
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Nolte, David D. "Hamiltonian Dynamics and Phase Space." In Introduction to Modern Dynamics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198844624.003.0003.

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Hamiltonian dynamics are derived from the Lagrange equations through the Legendre Transform that expresses the equations of dynamics in terms of the Hamiltonian, which is a function of the generalized coordinates and of their conjugate momenta. Consequences of the Lagrangian and Hamiltonian equations of dynamics are conservation of energy and conservation of momentum, with applications to collisions and orbital dynamics. Action-angle coordinates can be defined for integrable Hamiltonian systems and reduce all dynamical motions to phase space trajectories on a hyperdimensional torus.
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Conference papers on the topic "Conjugal trajectories"

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Tabarah, E., B. Benhabib, R. G. Fenton, and G. Hexner. "Optimal Trajectory Resolution for the Coordination of Two Robots in Contact Operations." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0245.

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Abstract A new method is presented for the optimal coordination of a two-robot system performing contact operations. One of the robots carries a tool and performs the specific contact operation on a workpiece which is grasped and maneuvered by the second robot. The two robots move simultaneously relative to each other so that the tool maintains contact with the workpiece while moving along its prescribed trajectory at a constant speed. This prescribed trajectory, which is specified with respect to the workpiece frame, is thus resolved into a pair of conjugate trajectories, one for each robot, and specified in the world coordinate frame. This resolution process does not yield a unique solution, i.e. there exist an infinity of conjugate-trajectory pairs corresponding to a given tool trajectory. This paper presents a technique for resolving the original tool trajectory, where the robots’ conjugate trajectories are parameterized using polynomial functions. A method is then developed for selecting the optimal pair of conjugate trajectories on the basis of minimizing a given choice of cost function. This optimization is further enhanced by coupling it to a procedure for selecting the optimal layout of the robots within the workcell, resulting in the best possible solutions. Numerical simulation results support the validity of the proposed technique.
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Badhan, Antara, Luz Bugarin, and Shaolin Mao. "Numerical Prediction of Collection Efficiency of a Personal Sampler Based on Cyclone Principle." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21229.

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A personal bio-aerosol sampler is a self-contained, operation flexible, high-efficient device for indoor air quality (IAQ) and health risk exposure monitoring and measurement. Bio-aerosols such germ-laden viruses, microbial species, airborne microorganisms and volatile organic compounds (VOC) are sucked into the sampler and are deposited on the inner wall surface based on cyclone principal. The major concern with bio-aerosol samplers is the collection efficiency. In this study, we use computational fluid dynamics (CFD) tools to evaluate key design parameters, specifically the inlet tube angle and collection tube inner wall roughness. 3D incompressible turbulent flow is simulated using commercial software ANSYS FLUENT. Reynolds stress model (RSM) is used to investigate the turbulence effect with the following boundary conditions (velocity-inlet boundary condition at inlet, outflow boundary condition at outlet and no slip at walls). The numerical approach for air-aerosol interaction is based on an Eulerian-Lagrangian fluid dynamics framework, where the particles or droplets trajectories are computed in a Lagrangian method (discrete phase element) and then conjugate these particles to the continuous phase in the Eulerian frame. The variation of inlet angle affects the collection efficiency of the cyclone separator. In addition, the flow characterizations with different velocity fluctuation profiles validate the continuous phase model. The development and evolution of the vortex core region for the axial velocity are obtained and evaluated in the simulation of the cyclonic flow.
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Atiku, Kabiru, and Xue Yang. "Investigation of the Effects of Hydrogen Atoms Concentration on the Tungsten Sigma 5 (310) Symmetric Tilt Grain Boundary." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60450.

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The objective of this work is to investigate the effects of the concentration of hydrogen atoms at the tungsten Σ5 (310) grain boundary (GB) on the GB energy and the GB pulling force. Tungsten (W) is the most preferred plasma facing material (PFM) for the future nuclear fusion reactors such as in the proposed DEMO (demonstration power plant) and ITER (international thermonuclear experimental reactor — which is at the moment the largest Tokamak nuclear fusion reactor under construction in the world. Tungsten is considered as a PFM because of its excellent thermal properties, low-sputtering yield and high melting point. However, hydrogen (H) atoms have an affinity for tungsten grain boundary, and are trapped there permanently. In addition, it makes it prone to failure. W will be exposed to extremely high fluences of H isotopes. The low-energy H isotopes will be retained in the tungsten material leading to the formation of blisters in W and causes degradation of the mechanical and thermal properties of W. Therefore for safety reason, the effect of hydrogen atoms at the tungsten Σ5 (310) symmetric tilt-GB needs to be investigated. This will greatly aid in better designing of fusion wall materials. In addition, the full understanding of the tungsten grain boundary energy and the force required to pull the grain boundary apart will also help in better material selection. Classic molecular dynamics method was used for the investigation. LAMMPS-a sophisticated, classical atomic and molecular dynamics modelling and simulation software, is a vital tool adopted for the investigation of the effects of hydrogen atoms in tungsten Σ5 (310) symmetric tilt-GB. Tersoff potential for W-H interactions was used for the modelling. The size of the simulation box is 10 × 100 × 10 lattices and it consists of 21262 W atoms. Periodic boundaries were used for all sides of the system. Conjugate gradient method was used for the minimization. The trajectories of the atoms were visualized using visual molecular dynamics (VMD) software. The GB energies are calculated to be −924.060 J/m2, −923.898 J/m2 and −743.414 J/m2 for pure W, W with one H atom and W with 30 H atoms are at the GB respectively. In addition, the forces required to separate the GB apart are 0.0279551eV/Ang for pure W, 0.024789eV/Ang and 0.0185eV/Ang for W with one H and 30 H atoms at the GB respectively. The result shows that hydrogen acts as a grain boundary embrittler and weakens the GB strength. The GB energy reduces as the concentration of hydrogen at the tungsten GB increases. In addition, the more the hydrogen atoms at the tungsten GB the lesser the value of the force required to pull the GB apart. However, the GB energies and pulling forces starts increasing slowly when H atoms exceed a certain number depending on the H atoms distribution around the W GB.
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