Browsing
     by title


0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

or enter first few letters:   
OK
Full Text
Peer Reviewed
See detailDynamics maps for long-term autonomy
Ginés, J.; Martín, F.; Matellán, V. et al

in 2017 IEEE International Conference on Autonomous Robot Systems and Competitions (ICARSC) (2017)

Navigating is one of the most basic capabilities of mobile robots. For this task, robots usually represent the environment through maps. This paper reports on first results of a work focused on mapping ... [more ▼]

Navigating is one of the most basic capabilities of mobile robots. For this task, robots usually represent the environment through maps. This paper reports on first results of a work focused on mapping dynamic environments to achieve a robust navigation for long-term operation. This approach builds a static map starting from the construction plans of a building. A long-term map is started from the static map, and updated when adding and removing furniture, or when doors are opened or closed. A short-term map represents dynamic obstacles such as people. This approach is appropriate for fast deployment and long-term operations in office or domestic environments, able to adapt to changes in the environment. We demonstrate the robustness of this approach in the RoboCup@home competition, where robots must navigate in an environment that changes during the tests. [less ▲]

Detailed reference viewed: 82 (6 UL)
Peer Reviewed
See detailThe Dynamics of Agglomeration: Evidence from Ireland and Portugal
Barrios, Salvador; Bertinelli, Luisito UL; Strobl, Eric et al

in Journal of Urban Economics (2005), 57(1), 170-188

Detailed reference viewed: 76 (0 UL)
Full Text
Peer Reviewed
See detailDynamics of Blockchain Implementation : A Case Study from the Energy Sector
Albrecht, Simon; Reichert, Stefan; Schmid, Jan et al

in 51st Hawaii International Conference on System Sciences (2018)

This case study analyzes the impact of theory-based factors on the implementation of different blockchain technologies in use cases from the energy sector. We construct an integrated research model based ... [more ▼]

This case study analyzes the impact of theory-based factors on the implementation of different blockchain technologies in use cases from the energy sector. We construct an integrated research model based on the Diffusion of Innovations theory, institutional economics and the Technology-Organization-Environment framework. Using qualitative data from in-depth interviews, we link constructs to theory and assess their impact on each use case. Doing so we can depict the dynamic relations between different blockchain technologies and the energy sector. The study provides insights for decision makers in electric utilities, and government administrations. [less ▲]

Full Text
Peer Reviewed
See detailDynamics of electron-emission currents in plasmonic gaps induced by strong fields
Aguirregabiria, Garikoitz; Marinica, Dana-Codruta; Ludwig, Markus et al

in FARADAY DISCUSSIONS (2019), 214

The dynamics of ultrafast electron currents triggered by femtosecond laser pulse irradiation of narrow gaps in a plasmonic dimer is studied using quantum mechanical Time-Dependent Density Functional ... [more ▼]

The dynamics of ultrafast electron currents triggered by femtosecond laser pulse irradiation of narrow gaps in a plasmonic dimer is studied using quantum mechanical Time-Dependent Density Functional Theory (TDDFT). The electrons are injected into the gap due to the optical field emission from the surfaces of the metal nanoparticles across the junction. Further evolution of the electron currents in the gap is governed by the locally enhanced electric fields. The combination of TDDFT and classical modelling of the electron trajectories allows us to study the quiver motion of the electrons in the gap region as a function of the Carrier Envelope Phase (CEP) of the incident pulse. In particular, we demonstrate the role of the quiver motion in establishing the CEP-sensitive net electric transport between nanoparticles. [less ▲]

Detailed reference viewed: 36 (2 UL)
Full Text
Peer Reviewed
See detailThe Dynamics of Firms Location: A Revisit of Home Attachment under Tax Competition
Han, Yutao UL; Pieretti, Patrice UL; Zou, Benteng UL

in Economics Letters (2013), 121

In this short note we extend the home attachment setting of Mansoorian and Myers (1993) and Ogura (2006) to allow the study of tax competition in a dynamic framework when international business relocation ... [more ▼]

In this short note we extend the home attachment setting of Mansoorian and Myers (1993) and Ogura (2006) to allow the study of tax competition in a dynamic framework when international business relocation occurs over successive periods. The dynamic framework we propose also helps to understand why tax rates may change over time. Our modified home-attachment rule is illustrated by a simple model of dynamic tax competition in discrete time. [less ▲]

Detailed reference viewed: 211 (126 UL)
Peer Reviewed
See detailThe Dynamics of Freight Transport Development: A UK and Swiss Comparison
Hesse, Markus UL

in Journal of Transport Geography (2006), 14(1), 78-79

Detailed reference viewed: 37 (0 UL)
Full Text
Peer Reviewed
See detailThe Dynamics of Heat Shock Response Induced by Ultr asound Therapeutic Treatment
Mizera, Andrzej UL; Gambin, Barbara

in Awrejcewicz, J.; Kaźmierczak, M.; Mrozowski, J. (Eds.) et al 10th Conference on Dynamical Systems – Theory and Applications, DSTA-2009 (2009)

Detailed reference viewed: 27 (1 UL)
Full Text
Peer Reviewed
See detailThe dynamics of helping behavior for Jewish refugees during the Second World War: The importance of brokerage
During, Marten UL

in Online Encyclopedia of Mass Violence (2016)

Detailed reference viewed: 70 (16 UL)
See detailThe dynamics of helping behaviour for Jewish refugees during the Second World War. The importance of brokerage
During, Marten UL

in Gamper, Markus; Reschke, Linda; During, Marten (Eds.) Knoten und Kanten: soziale Netzwerkanalyse in Geschichts- und Politikwissenschaften (2015)

Detailed reference viewed: 71 (2 UL)
Full Text
Peer Reviewed
See detailDynamics of income rank volatility: Evidence from Germany and the US
Chauvel, Louis UL; Hartung, Anne UL; Palmisano, Flaviana

in SOEP2016 Book of Abstracts (2016)

This paper provides a methodology to compare profiles of income rank volatility over time and across distributions. While most of the existing measures are affected by changes in the marginal ... [more ▼]

This paper provides a methodology to compare profiles of income rank volatility over time and across distributions. While most of the existing measures are affected by changes in the marginal distributions, this paper proposes a framework that based on individuals’ relative position in the distribution results to be neutral to the structural changes that occur in the economy. Applying this approach to investigate rank volatility in Germany and the US over three decades, we show that while poorer individuals are the most volatile in both countries, the volatility trend of the middle class marks the difference between these two countries. [less ▲]

Detailed reference viewed: 119 (3 UL)
Full Text
Peer Reviewed
See detailDynamics of Income Rank Volatility: Evidence from Germany and the US
Chauvel, Louis UL; Hartung, Anne UL; Palmisano, Flaviana

E-print/Working paper (2017)

This paper presents a methodology for comparing income rank volatility profiles over time and across distributions. While most of the existing measures are affected by changes in marginal distributions ... [more ▼]

This paper presents a methodology for comparing income rank volatility profiles over time and across distributions. While most of the existing measures are affected by changes in marginal distributions, this paper proposes a framework that is based on individuals’ relative positions in the distribution, and is neutral in relation to structural changes that occur in the economy. Applying this approach to investigate rank volatility in Germany and the US over three decades, we show that while poorer individuals within both countries are the most volatile, the volatility trend for the middle class in each of these countries differs. [less ▲]

Detailed reference viewed: 152 (13 UL)
Peer Reviewed
See detailDynamics of income volatility: Evidence from Germany and the US
Chauvel, Louis UL; Hartung, Anne UL; Palmisano, Flaviana UL

Scientific Conference (2015, July 15)

Detailed reference viewed: 145 (16 UL)
Full Text
Peer Reviewed
See detailDYNAMICS OF INDIVIDUAL INCOME RANK VOLATILITY: EVIDENCE FROM WEST GERMANY AND THE US
Chauvel, Louis UL; Hartung, Anne UL; Palmisano, Flaviana

in B.E. Journal of Economic Analysis and Policy (2019)

This paper presents a methodology for comparing income rank volatility profiles over time and across distributions. While most of the existing measures are affected by changes in marginal distributions ... [more ▼]

This paper presents a methodology for comparing income rank volatility profiles over time and across distributions. While most of the existing measures are affected by changes in marginal distributions, this paper proposes a framework that is based on individuals’ relative positions in the distribution, and is neutral in relation to structural changes that occur in the economy. Applying this approach to investigate rank volatility in Germany and the US over three decades, we show that while poorer individuals within both countries are the most volatile, the volatility trend for the middle class in each of these countries differs. [less ▲]

Detailed reference viewed: 137 (11 UL)
Full Text
Peer Reviewed
See detailDynamics of Intergenerational Relations in the Context of Migration – A Resource Perspective at the Intersection of Family and School
Albert, Isabelle UL

in Psychology & Society (2019), 11(1), 28-34

Educational attainment is key for societal integration and participation. In light of growing numbers of immigrants, the question of how school success of children with migrant background can be assured ... [more ▼]

Educational attainment is key for societal integration and participation. In light of growing numbers of immigrants, the question of how school success of children with migrant background can be assured is of utmost importance, certainly for these children and their families but also for societal cohesion. Youngsters with migration background are an important resource for the future, also considering the ageing of many modern societies today. The article by Matthiesen (2019) deals with a well-known problem: migrant parents’ lacking school involvement. The acculturation situation might therefore constitute a disadvantage for children of these migrant families right from the start, especially if we assume that parental involvement has in general positive effects on their children’s school success, able to reduce behavioural problems and to foster academic achievement. The present commentary will deal with these and other questions that have been raised by Matthiesen’s (2019) article. [less ▲]

Detailed reference viewed: 84 (5 UL)
Full Text
Peer Reviewed
See detailThe Dynamics of the Location of Firms– A Revisit of Home-Attachment under Tax Competition
Han, Yutao UL; Pieretti, Patrice UL; Zou, Benteng UL

E-print/Working paper (2013)

We revisit the investment home-bias situation of firms and extend the home attachment setting of Mansoorian and Myers (1993) and Ogura (2006) into a dynamic framework. We locate firms based on their home ... [more ▼]

We revisit the investment home-bias situation of firms and extend the home attachment setting of Mansoorian and Myers (1993) and Ogura (2006) into a dynamic framework. We locate firms based on their home attachment preferences, which is also changing over time based on some updated spillover information. Some applications, in static and dynamic tax competition, are presented following our home-attachment principle. [less ▲]

Detailed reference viewed: 45 (4 UL)
Full Text
Peer Reviewed
See detailDynamics of the swollen lamellar phase
Schilling, Tanja UL; Theissen, O.; Gompper, G.

in European Physical Journal E -- Soft Matter (2001), 4(1), 103-114

We investigate the dynamical behavior of lamellar phases in ternary amphiphilic systems of water, oil and amphiphile. The interaction between the amphiphilic monolayers is described by the steric ... [more ▼]

We investigate the dynamical behavior of lamellar phases in ternary amphiphilic systems of water, oil and amphiphile. The interaction between the amphiphilic monolayers is described by the steric interaction due to thermal fluctuations for uncharged, and by electrostatic interactions for charged systems. The dynamics of the system is determined by the hydrodynamics of the fluid layers. The basic parameters of our model are the viscosities of the two solvents, the average thicknesses of the oil and water layers, and the bending rigidity. The model allows to consider different monolayer interactions across the oil and water layers. Relaxation rates are calculated for arbitrary wave vectors parallel and perpendicular to the average monolayer plane. We find that there is a quite complex crossover behavior from a q2 law for small parallel wave vectors to a q3 law for large q . We discuss the relevance of our result for the interpretation of dynamic light-scattering and neutron-spin-echo experiments for these systems. [less ▲]

Detailed reference viewed: 65 (1 UL)
Peer Reviewed
See detailDynamics of the swollen lamellar phase
Schilling, Tanja UL

Scientific Conference (2001)

Detailed reference viewed: 57 (0 UL)
Full Text
See detailDynamics of viscoelastic colloidal suspensions
Dannert, Rick UL

Doctoral thesis (2016)

The influence of different types of nanoparticles on the dynamics of glass forming matrices has been studied by small oscillatory shear rheology. Experimental measurements reveal that besides the glass ... [more ▼]

The influence of different types of nanoparticles on the dynamics of glass forming matrices has been studied by small oscillatory shear rheology. Experimental measurements reveal that besides the glass transition process of the matrix an additional relaxation process occurs in presence of nanoparticles. The latter is identified as the macroscopic signature of the microscopic temporal fluctuations of the intrinsic stress and is called Brownian relaxation. Besides the fact that Brownian relaxation has so far not been observed in colloidal suspensions with a matrix exhibiting viscoelastic behaviour in the frequency range of the experimental probe, the study reveals another important feature to be highlighted: the evolution of the Brownian relaxation times depends non-monotonously on the filler concentration. This finding challenges the use of the classical Peclet-time as a characteristic timescale for Brownian relaxation. Literature defines the Peclet-time as the specific time needed by a particle to cover –via self-diffusion- a distance comparable to its own size. As a main result it will be shown that after replacing the particle size which is relevant for the Peclet time by the mean interparticle distance depending on the filler content the non-monotonic evolution of the relaxation times can be fully described. Moreover, the introduction of the new characteristic length scale allows to include data from literature into the phenomenological description. [less ▲]

Detailed reference viewed: 184 (19 UL)