97 resultados para polynomial identities


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Muslim women in Australia are at the forefront of a culture war, and not necessarily by choice. As visible representatives of Islam, veiled women face discrimination and abuse, and carry the stigma of a culture frequently deemed unacceptable and inferior. Despite these adverse conditions, Muslim women have demonstrated a remarkable resilience by maintaining their presence in the public domain and by continuing to make a positive contribution to Australia. The experiences of Muslim women in Australia cannot be typecast as a sisterhood of oppressed females. Challenging Identities questions the assumption of incompatible 'Australian values' and 'Islamic values', and provides valuable first-person accounts from the lives of Muslim women in Australia.

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The narrative of one ethnic minority early childhood student teacher tells of her journey as she (re)constructs her identities as a Cook Island woman and as a pre-service teacher, during a teacher education course in New Zealand. This story conveys her experiences of learning across different pedagogical paradigms. Findings show that teacher education lecturers can significantly enhance the learning experience for ethnic minority pre-service teachers by incorporating existing knowledges and understandings in course content and delivery.

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Wireless mesh networks (WMNs) have the ability to integrate with other networks while providing a fast and cost-saving deployment. The network security is one of important challenge problems in this kind of networks. This paper is focused on key management between mesh and sensor networks. We propose an efficient key pre-distribution scheme based on two polynomials in wireless mesh networks by employing the nature of heterogeneity. Our scheme realizes the property of bloom filters, i.e., neighbor nodes can discover their shared keys but have no knowledge on the different keys possessed by the other node, without the probability of false positive. The analysis presented in this paper shows that our scheme has the ability to establish three different security level keys and achieves the property of self adaptive security for sensor networks with acceptable computation and communication consumption.

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Qualitative and quantitative methods were used in this research to distinguish the prevailing D/discourses (words, tools, beliefs, thinking styles) in police training and to analyse the ‘discourse-practice’ (Cherryholmes 1988, p.1) framework of policing in a training environment. The manifestations, functions and consequences of the D/discourses raise concerns about the efficacy of training (its doctrinal intent and value versus its educative intent and value) and its implications for individuals’ identity, subjectivity, agency, learning, and “membership” within the policing community. The literature revealed that police training acts as a formally sanctioned vehicle for police culture, subcultures, and D/discourses. This is complicated by (a) the predominance of pedagogical training practices that support a trainer-centred approach and standardised lecture format for training, (b) police training focusing predominantly on law enforcement at the cost of higher-order conceptual skills, and (c) Australian and international studies of police management education which reveal a subculture resistant to theoretical analysis and critical reflection, and a set of unconscious and unchallengeable assumptions regarding police work, conduct, and leadership. A backdrop to this research and findings is the agenda of Australian and New Zealand police services for police to become a profession.

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Qualitative and quantitative methods were used in this research to distinguish the prevailing D/discourses (words, tools, beliefs, thinking styles) in police training and to analyse the ‘discourse-practice’ (Cherryholmes 1988: 1) framework of policing in a training environment. The manifestations, functions and consequences of the D/discourses raise concerns about the efficacy of training (its doctrinal intent and value versus its educative intent and value) and its implications for individuals’ identity, subjectivity, agency, learning, and “membership” within the policing community. The literature revealed that police training acts as a formally sanctioned vehicle for police culture, subcultures, and D/discourses. This is complicated by (a) the predominance of pedagogical training practices that support a trainer-centred approach and standardised lecture format for training, (b) police training focusing predominantly on law enforcement at the cost of higher- rder conceptual skills, and (c) Australian and international studies of police management education which  reveal a subculture resistant to theoretical analysis and critical reflection, and a set of unconscious and unchallengeable assumptions regarding police work, conduct, and leadership. The agenda of Australian and New Zealand police services for police to become a profession provides a backdrop to this research and findings.

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Most extant research on charismatic leadership has an essentialist orientation that characterises it as leader behaviour, leader communication or follower dependency. Our approach is more discursively oriented. To research charismatic leadership, we used aesthetic narrative positivism, which undertook utilitarian as well as critical method. We examined followers' implicit narratives of their lived experiences of charismatic leadership in organisational settings. We examined metaphors for this experience. Most respondents identified with positive affect, a form of love story; a minority experienced negative affect, especially anger; and some experienced both positive and negative emotions. We posit that if one adopts a certain identity within the context of a dramatic narrative, one might be attributed with charismatic qualities by followers. In this way, we suggest that charismatic leadership might be less a gift from God and more a 'gift from followers'. © The Author(s) 2013.

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Watkins’ Problematic Identities examines nine novels by women writers of the Sri Lankan diaspora.

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Karnik-Mendel (KM) algorithm is the most widely used type reduction (TR) method in literature for the design of interval type-2 fuzzy logic systems (IT2FLS). Its iterative nature for finding left and right switch points is its Achilles heel. Despite a decade of research, none of the alternative TR methods offer uncertainty measures equivalent to KM algorithm. This paper takes a data-driven approach to tackle the computational burden of this algorithm while keeping its key features. We propose a regression method to approximate left and right switch points found by KM algorithm. Approximator only uses the firing intervals, rnles centroids, and FLS strnctural features as inputs. Once training is done, it can precisely approximate the left and right switch points through basic vector multiplications. Comprehensive simulation results demonstrate that the approximation accuracy for a wide variety of FLSs is 100%. Flexibility, ease of implementation, and speed are other features of the proposed method.

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Drawing on contemporary critical social theories and diverse methodologies, A Critical Youth Studies for the 21st Century explores the educational, employment, cultural and embodied issues that confront young people, and those who work with ...