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Because internal resources are finite, it has been assumed that attractive, floral organs represent a significant drain on the energy and nutrient budget of a plant. Despite the broad significance of such trade-offs, in relatively few studies have investigators manipulated floral investments, then evaluated allocation to subsequently produced flowers, fruits, and seeds. In the present study of Nig
A measure of coherence is said to be truth conducive if and only if a higher degree of coherence (as measured) results in a higher likelihood of truth. Recent impossibility results strongly indicate that there are no (non-trivial) probabilistic coherence measures that are truth conducive. Indeed, this holds even if truth conduciveness is understood in a weak ceteris paribus sense (Bovens & Har
Load balancing is a very important and complex problem in computational grids. A computational grid differs from traditional high performance computing systems in the heterogeneity of the computing nodes and communication links, as well as background workloads that may be present in the computing nodes. There is a need to develop algorithms that could capture this complexity yet can be easily impl
Organization theory and management studies tend to underrate the importance of material and technological resources in accomplishing organized activities. Given the pervasive influence of technology in everyday life in organizations, surprisingly little attention is paid to the entanglement of technologies and practices of organizing. In organizations, a wide variety of technologies, ranging from
In this paper we investigate the impact of a decrease in trade costs on firm decisions to export. The main contribution of this paper is to evaluate empirically the theoretical predictions of several models of multi-product exporters. The focus is on the firm export entry decision and the within firm adjustment regarding product scope and intensity. For identification, a quasi-natural experiment,
The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the validation of the Computing Model, of the complete software suite, of the data model, and to ensure the correctness of the technical choices to be made for the final offline computing environment. A major fe
Small words like ‘yes’ and ‘no’ play an important part in our daily communication, but do we clearly know where they come from? Their origin is rather mysterious. We do not know if we need these words at all, since some languages manage without them. For instance, speakers of Celtic languages answer affirmatively and negatively by repeating verbs. However, functional motivations to have ‘yes’ and
Medieval round churches are often seen as riddles in need of special explanation. Deviant architecture has been explained by three major theories – fortification, multi-functionality and symbolic copying. However, I claim that the round churches were normal except for their elite context and extraordinary plan. I then argue, that the elite consciously choose a “conspicuous architecture”, to use a
Large eddy simulations are performed for a single- and multiphase jets in crossflow (JICF). The multiphase JICF are compared to the single-phase case for the same momentum and mass flow ratios but with droplets of different sizes. Multiphase JICF have stronger counter-rotating vortex pairs (CVPs) than a corresponding single-phase JICF. Moreover, their trajectories are higher and their induced wake
This master thesis explores four television plays written and directed by Samuel Beckett: Eh Joe, Ghost Trio, ...but the clouds..., and Night and Dreams. The plays are read in accordance with the film-philosophical approach to cinema outlined in Gilles Deleuze's books on cinema. The master thesis attempts to position these plays as images in relation to the movement- and time-image as well as to t
When designing flexible multi-sensor based robot systems, one important problem is how to combine the measurements fromdisparate sensors such as cameras and force sensors. In this paper,we present a method for combining direct force control and visualservoing in the presence of unknown planar surfaces. The controlalgorithm involves a force feedback control loop and a vision basedreference trajecto
We determine stability and attractor properties of random Boolean genetic network models with canalyzing rules for a variety of architectures. For all power law, exponential, and flat in-degree distributions, we find that the networks are dynamically stable. Furthermore, for architectures with few inputs per node, the dynamics of the networks is close to critical. In addition, the fraction of gene
This paper examines the role of the Ministry of Health (MoH) in Uganda in the process of developing a Sector-Wide Approach (SWAp) within the health sector. Power dynamics are integral to any understanding of development assistance, and SWAps bring with them new opportunities for the deployment of influence. The SWAp process has changed the interaction between the donors and the Government, and the
β-Alanine synthase is the final enzyme of the reductive pyrimidine catabolic pathway, which is responsible for the breakdown of uracil and thymine in higher organisms. The fold of the homodimeric enzyme from the yeast Saccharomyces kluyveri identifies it as a member of the AcyI/M20 family of metallopeptidases. Its subunit consists of a catalytic domain harboring a di-zinc center and a smaller dime
