Extended calculations of a special Harmonic number

The search for values of $p$ for which the Harmonic numbers $H_{\lfloor p/6 \rfloor}$ vanish mod $p$, carried to $p < 600,000$ by Schwindt in 1983, is extended here to $p < 16,949,000,000,000$, and two new solutions are reported

The distribution and ecological effects of the introduced Pacific oyster Crassostrea gigas (Thunberg, 1793) in Northern Patagonia

In this work we studied the actual coverage, distribution patterns and ecologic effects of the introduced oyster Crassostrea gigas 20 y after their introduction to the Northern Argentinean Patagonia (Bahia Anegada; 39º50´S to 40º40´S and 61º59 to 62º28 W). Using satellite imagery and field and aerial inspections we found 10 oyster beds that cover less than 0.05% of the bay intertidal (area covered: 36.45 ha). These beds are restricted to intertidal zones with superficial hard substrata (limestone outcrops). Most epifaunal organisms (the crabs Cyrtagrapsus angulatus, Chasmagnathus granulatus, the isopod Melita palmata. and the snail Heleobia australis) showed higher densities inside oyster beds compared with outside and experiments showed that artificially deployed oyster beds increased the densities of their at three intertidal zones (high intertidal marsh, low intertidal marsh. and low intertidal with hard substrata) and also increased densities of infaunal organisms (the polychaetes Laeonereis acuta, Nepthys fluviatilis, and the priapulid Priapulus tuberculatospinosus) at the low intertidal with hard substrata. This may be the result of increasing habitat structure and refuge for epifaunal organisms, and enhancement of deposition and sediment stability that may benefit infaunal organisms. Densities bird species (Local species: Larus dominicanus, Haematopus palliatits: Regional migratory shorebird: Charadrius falklandicus; Long range migratory shorebirds: Pluvialis dominica, Calidris canutus, Tringa flavipes) were higher inside oyster beds compared with similar zones without oysters, which may be the result of higher prey availability. Foraging rate was also higher for some of these species (P. dominica, C. falklandicus). However, due to the limited availability of hard substratum the distribution of oysters is small. In conclusion, no negative effects were observed as a result of this introduction. There was an increase in species abundance and the area was preferred by local and migratory bird species, which also showed higher feeding rates.Fil: Escapa, Carlos Mauricio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Isacch, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Daleo, Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Iribarne, Oscar Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; ArgentinaFil: Borges, Mónica Elisa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; ArgentinaFil: Dos Santos, Eder Paulo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; ArgentinaFil: Gagliardini, Domingo Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Lasta, Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Subsede Instituto Nacional de Investigación y Desarrollo Pesquero; Argentin

Who stands in the way of women? Open vs. closed lists and candidate gender in Estonia

The literature on women's descriptive representation has looked at the debate on open and closed lists as a choice between electoral systems. This article instead focuses on whether voters or the parties are biased against female candidates. Using data from six Estonian elections, the article finds that voters are not consistently biased against female candidates and open lists do not necessarily decrease women's representation. However, unknown and non-incumbent female candidates fare significantly worse than similar men. The analysis also shows that parties do not place women in electable positions on closed lists, and closed lists do not improve women's representation

Competition Policy, Capacity Building, and Selective Adaptation: Lessons from Japan\u27s Experience

One potential tool to assist in this regard is Potter’s selective adaptation model. The model identifies the role of local conditions in the adaptation of foreign rules. It has been successfully applied to China’s adaptation of property law, administrative law, and corporate governance rules. The question we address is whether and how the model can be applied to the adaptation of competition policy. This Article reflects our first steps towards an answer

Neural correlates of the affect heuristic during brand choice

In this working paper it is investigated how affect and cognition interact in consumer decision making. The research framework is multidisciplinary by applying a neuroscientific method to answer the question which information is processed during brand choice immediately when the decision is computed in the test person’s brain. In a neuroscientific experiment test persons perform binary decision-making tasks between different brands of the same product class. The results suggest that the presence of the respondent’s first choice brand leads to a specific modulation of the neural brain activity, which can be described as neural correlate of Slovic’s affect heuristic concept.Neuroeconomics, brand choice, cognition, affect

Representation of women in the parliament of the Weimar republic: Evidence from roll call votes

This is the post-print version of the article which has been accepted for publication and will appear in a revised form, subsequent to peer review and/or editorial input in Politics and Gender. Copyright @ Cambridge University Press.In modern democracies, the representation of voter interests and preferences is primarily the job of political parties and their elected officials. These patterns can however change when issues are at stake that concern the interests of social groups represented by all relevant parties of a political system. In this article we focus on the behavior of female MPs in the parliament of Weimar Germany and, thus, in a parliament where legislative party discipline was very high. On the basis of a dataset containing information on the legislative voting behavior of MPs, we show that gender, even when controlling for a battery of further theoretically derived explanatory factors, had a decisive impact on the MPs’ voting behavior on a law proposal to curb the spread of sexually transmitted diseases.Zukunftskolleg (University of Konstanz) and the German Research Foundatio

One of Us: Multilevel Models Examining the Impact of Descriptive Representation on Civic Engagement

This paper examines the impact of descriptive representation in comparative perspective. The goals are to establish (1) whether descriptive representation mobilizes attitudinal and behavioral indicators of civic engagement; (2) whether the strength of any such relationship differs for women and young people; and (3) whether this relationship is evident cross?nationally. The first section provides an overview of existing research on descriptive representation and the civic engagement of women and young people. The second section presents the research design. The third reports and discusses the findings of the multilevel models and what these suggest about relationships between descriptive representation in national parliaments and patterns in civic engagement among citizens. The paper concludes with a summary of the major findings and reflects upon their implications for understanding and altering long?standing inequalities in civic engagement.