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Necessary and sufficient conditions for pointwise completeness of linear delay systems are established. The relation between pointwise completeness and controllability to the origin is obtained. Functional controllability for such system is also studied.

School violence can cause or exacerbate individual and collective trauma. Trauma-informed school approaches offer schools and educators guidance for how to respond. In this chapter, we provide an overview of trauma-informed school approaches and their contributions to healing individual and collective trauma. We begin this chapter by addressing the complex intersection of disability and trauma, and the unique implications of school-based violence for students with disabilities and their teachers. We then define trauma-informed care, describe current short- and long-term trauma-informed school approaches, and explain the aims of these approaches at individual and collective levels. Next, we locate trauma-informed responses to school violence in a context of systemic trauma and share considerations for disrupting the systemic conditions that perpetuate trauma and school violence. We discuss critiques of the trauma-informed care movement and conclude with recommendations for scholars pursuing research in this area.

The civil war prompted many Tamils to flee Sri Lanka as refugees. Several researchers have documented psychological distress and trauma among Sri Lankan Tamil refugees, but the literature lacks sufficient discussion of resilience among this population. Although Sri Lankan Tamil refugees have experienced conflict and loss, they have also demonstrated positive adaptation following these challenges. The paper aims to discuss these issues.

The present study used an ecological approach, in which the effect of the environment on a person is regarded as significant, to explore resilience among Sri Lankan Tamils living in refugee camps in India.

Through a qualitative investigation of refugee experiences of war and camp life, the authors developed a conceptual framework for understanding individual and collective resilience among refugees.

Additionally, the results of this study need to be interpreted with caution because participants were camp refugees, which may limit the applicability of these results with refugees who live in different settings.

The current research results show that intervention programs should have multiple components, including trauma intervention to address the individual and community psychological and psychiatric effects of war and migration experiences and psychosocial interventions to address individual, family, community dynamics and daily stressors.

The study participants stated that Sri Lankan Tamil refugees are using their resilience traits including will power, positive talk, practical solutions, social support, religion and social networks to remake their broken souls.

Future studies need to be conducted with other refugee group to validate the findings of the paper.

Bottom of pyramid market (BOP) has gained attention of researchers and marketers in recent years. The BOP market comprises many segments, however, little is known about purchase behaviour in BOP market or segments therein. The purpose of this paper is to investigate youth's intentions of seeking microcredit in the post-war era that are an integral part of BOP market.

The sample comprised 1,250 youth aged 18 and above from Northern Province of Sri Lanka. Surveys were administered for data collection. After testing measurement model, a structural model was run to test hypotheses.

Positive affect, subjective norms and entrepreneurial desire enhanced intentions of seeking microcredit, whereas perceived deterrents negatively influenced those intentions. Perceived benefits, perceived behavioural control and knowledge of microcredit did not have significant effects on these intentions.

This study was conducted in one war-affected country, Sri Lanka. Also, data were cross-sectional. Hence the model needs replication amongst youth in other post-conflict contexts and with longitudinal data.

Findings of this study would be of use to market microcredit to youth in post-conflict era and other segments of BOP.

A unique purchase behavioural model is suggested to enhance youths’ intentions of seeking microcredit in the post-war era, a segment within the BOP market. This study can contribute to purchase behaviour literature in identified contexts.

The study explored how information institutions can support the resilience of parents of adolescents affected by the Russia–Ukraine war. Ukrainian parents are facing major challenges of supporting their teenagers through a difficult developmental phase while also “buffering” their war-related hardships. By supporting parents, information institutions can also support children.

Fifteen parents were interviewed about mental health challenges and resources that are helpful and/or missing from their support systems. Recordings of participant narratives were analyzed using the qualitative thematic analysis technique.

The findings indicate that both teens and parents rely on internal resilience skills, family, friends and community resources to support themselves. However, a number of additional resources could be offered by information institutions, including content for (1) teens on developing skills in communication, interpersonal relationships, problem solving and academic pursuits; (2) parents on child development and opportunities in their host countries; both groups on (3) both groups on mental health first aid and safe spaces to meet peers. The study recommendations will be of interest to information professionals working with families, especially families affected by disasters.

The study relied on a small convenience sample of participants.

Study recommendations would be of interest to information professionals who develop and provide services to families affected by natural and manmade disasters.

Study recommendations improve understanding of the (potential) role of information institutions and libraries in strengthening family and community resilience.

The study offers a rare insight into experiences of war-affect families and provides evidence-driven recommendations for information institutions to support family and community resilience.

In this paper the design of a controller for a relay controlled second order nonlinear unstable plant with fourth order nonlinearity is considered. The task of the controller is the simultaneous reduction of output and output derivative to zero with the input being at zero. It is established that, if the initial values of error and error derivative fall in a “controllable region”, it is possible to reduce error and error derivative to zero simultaneously and in the shortest possible time with at most one switching reversal of the relay. It is also shown that, through simple transformation of error and error derivative, the equation of the switching curve can be made independent of the constant gain of the plant, as well as the coefficient of the nonlinear term.

This article is a conceptual paper, based on psychoanalytic understanding of a society at war, and the author attempts to deliver psychoanalytically inspired training for psychosocial workers in Sri Lanka.

The paper starts with a description of the kind of changes that have taken place in Sri Lanka and how these can be understood as a form of collective trauma. The training delivered by the author as part of the UK‐Sri Lanka Trauma group, are described in detail. The training described in this paper can be seen as consisting of a theoretical part, a supervision part, and of an experiential part. The training is illustrated using a lot of case material, which the participants in Sri Lanka have brought.

The author notes the fact that participants from any community in Sri Lanka would themselves have been traumatised and this has been acknowledged and worked with during the training described in the paper.

Cultural aspects and dilemmas are discussed, such as what kind of challenge does an “outsider” face in delivering mental health training in a different culture to their own.

The leading multinational companies tend to expand their marketing activities to bottom of pyramid (BOP) market. The BOP market comprises many segments, however, little is known about the purchase behaviour of BOP market or segments therein. Microcredit provides credit access to customers in BOP market. The purpose of this paper is to investigate youth’s intentions of obtaining microcredit in the post-war era, which could be a segment of BOP market.

The sample comprised 1,250 youth aged 18-27 selected from the Northern Province of Sri Lanka. Surveys were administered for data collection. After testing measurement model, two structural models – full model and non-mediated model (direct effects model) were run to test hypotheses.

Positive affect, subjective norms, entrepreneurial desire and self-identity enhanced intentions of obtaining microcredit, whereas perceived deterrents reduced those intentions. Additionally, self-identity mediated the association between positive affect, entrepreneurial desire, perceived behavioural control and knowledge of microcredit, and intentions of obtaining microcredit.

This study was conducted amongst youth in one country. Also, the data were cross-sectional. Hence, the model needs testing with youth and adults in other post-war contexts and with longitudinal data.

The findings of this study inform how effectively microcredit can be marketed to youth in post-war contexts and to the other segments of BOP market.

A unique purchase behavioural model is suggested with the mediating role of self-identity, to enhance intentions of obtaining microcredit in BOP markets, such as youth in post-war contexts. This study contributes to literature relating to purchase behaviour and self-identity, with particular reference to BOP market.

Much of the current research on women refugees and work focuses solely on settlement, neglecting the effects of displacement within this equation, despite its significant impact. Drawing from the wider literature of international development, migration, gender, work psychology and sociology, this paper provides a framework to guide informed research within this area.

This paper is a reflective and critical review of the intersection between gender, forced displacement and work. It addresses a blind spot in the current work literature, which fails to address the impact of displacement on refugee women and the consequences of displacement for vocational engagement during resettlement.

This paper contributes to the current literature in four ways. First, it adds forced displacement to the peripheral-intersections literature informing Acker's theory of “inequality regimes”. Secondly, it contributes to a deeper understanding of how pluralities and intersectionality develop during forced displacement, by introducing the theory of displacement-plurality (D-P). Thirdly, it contributes to human resource management (HRM) diversity practice by explaining the relationship between D-P and related constructs, such as work engagement (WE), economic empowerment (EE), work-related factors (WRFs) and psycho-social factors (PSFs) to help improve localised diversity practices in relation to refugee populations. Fourthly, it provides a detailed framework to guide research and practice in this area, supported by a critical evaluation of the current refugee work literature.

When we understand displacement-related factors, we can move towards a more emancipatory approach to intersectionality, allowing us to develop more sophisticated approaches to diversity in organisations. In turn, this helps us to understand people's lived experiences and their responses to organisational interventions more effectively.