805 resultados para Almost Contact Manifold


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We study some properties of almost Dunford-Pettis operators and we characterize pairs of Banach lattices for which the adjoint of an almost Dunford-Pettis operator inherits the same property and look at conditions under which an operator is almost Dunford-Pettis whenever its adjoint is.

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The trend towards more open adoption presents adopters with unique parenting challenges associated with satisfying the child’s curiosity about their origins, and maintaining relationships with birth family through contact. This paper focuses on the experiences of 20 sets of adoptive parents who were interviewed as part of the Northern Ireland Care Pathways and Outcomes Study. Interviews were analysed following the principles of Interpretative Phenomenological Analysis (IPA). It explores adoptive parents’ experience of talking to their child about adoption, and of post-adoption contact with members of the birth family. Adopters discussed adoption sensitively with their child, but were concerned that difficult and complex family histories would present a risk to the child’s self-esteem and emotional well-being. All forms of contact proved emotionally and practically burdensome, however adopters were committed to making it work for the child’s benefit, and were open to increased contact should the child wish it in the future. There was little relationship with birth family outside of formal contact. The study reveals a need for a mechanism to facilitate communication with birth family if adopters are to be able to respond to the child’s changing need for contact and information.

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Cross-group friendships (the most effective form of direct contact) and extended contact (i.e., knowing ingroup members who have outgroup friends) constitute two of the most important means of improving outgroup attitudes. Using cross-sectional and longitudinal samples from different intergroup contexts, this research demonstrates that extended contact is most effective when individuals live in segregated neighborhoods having only few, or no, direct friendships with outgroup members. Moreover, by including measures of attitudes and behavioral intentions the authors showed the broader impact of these forms of contact, and, by assessing attitude certainty as one dimension of attitude strength, they tested whether extended contact can lead not only to more positive but also to stronger outgroup orientations. Cross-sectional data showed that direct contact was more strongly related to attitude certainty than was extended contact, but longitudinal data showed both forms of contact affected attitude certainty in the long run.

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Using survey data from Catholics and Protestants in Northern Ireland (N = 428), the authors examined the effects of extended contact via different types of ingroup contacts (neighbors, work colleagues, friends, and family members) and tested whether closeness to ingroup contacts moderated the effects of extended contact on outgroup trust. Results demonstrated that extended contact effects varied as a function of the relationship to ingroup contacts, and that extended contact interacted with closeness ratings in predicting outgroup trust. Consistent with hypotheses, extended contacts via more intimate ingroup relationships (i.e., friends and family) were overall more strongly related to outgroup trust than extended contacts via less intimate ingroup relations (i.e., neighbors and work colleagues). Moreover, within each level of intimacy extended contact was related to outgroup trust only at high, and not at low, levels of rated closeness to ingroup contacts. The theoretical contributions, limitations and practical implications of these findings are discussed.