Search results for "luu"
showing 10 items of 614 documents
Impact of chaotic dynamics on the performance of metaheuristic optimization algorithms : An experimental analysis
2022
Random mechanisms including mutations are an internal part of evolutionary algorithms, which are based on the fundamental ideas of Darwin's theory of evolution as well as Mendel's theory of genetic heritage. In this paper, we debate whether pseudo-random processes are needed for evolutionary algorithms or whether deterministic chaos, which is not a random process, can be suitably used instead. Specifically, we compare the performance of 10 evolutionary algorithms driven by chaotic dynamics and pseudo-random number generators using chaotic processes as a comparative study. In this study, the logistic equation is employed for generating periodical sequences of different lengths, which are use…
Interview: Kalyanmoy Deb Talks about Formation, Development and Challenges of the EMO Community, Important Positions in His Career, and Issues Faced …
2023
Kalyanmoy Deb was born in Udaipur, Tripura, the smallest state of India at the time, in 1963 [...]
Co-participatory multimodal intergenerational storytelling : preschool children’s relationship with modality creating elder inclusion
2021
The COVID-19 crisis has highlighted elderly people as a vulnerable and excluded community, and connecting to the younger social media generation requires a shift in intergenerational storytelling performance. Recent research on multimodality has emphasized its benefits for the interactional process in storytelling. This study examines three aspects of storytelling – participation, multimodality, and emotional interaction – and uses co-creation and multimodal discourse analysis to investigate two questions: (1) To what extent can intergenerational storytelling benefit older people’s community engagement? (2) In a globalized world, how do children’s relationships with modalities create new l…
An exploratory study on the attitudes of elderly Finns towards Russian-speaking minorities
2018
Research has shown Russian speakers in Finland are often victims of prejudice and discrimination. Utilizing integrated threat theory, this study investigated the extent to which threats are signifi...
Perceived threat and prejudice towards immigrants in Finland : A study among early, middle, and late Finnish adolescents
2017
ABSTRACTUsing integrated threat theory, this study examined how perceived threat, or fear of immigrants, manifests among early, middle, and late Finnish adolescents, and the relationship between perceived threat and prejudice among early, middle, and late adolescents. The sample consisted of 795 Finnish adolescents between 11 and 19 years of age. Realistic and symbolic threats were the most perceived threats and were more prevalent among late adolescents. There was a positive relationship between prejudice and realistic threat, and between prejudice and symbolic threat, but a negative relationship between prejudice and negative stereotyping, and this relationship remained relatively stable …
‘Life is team play’: social inclusion of people with intellectual disabilities in the context of Special Olympics
2022
This article provides insights from an empirical study on the meaning of social inclusion for Finnish athletes with intellectual disabilities (ID) who participate in Special Olympics (SO). A further objective was to explore the athletes’ perceptions of the role SO has played in their lives regarding their personal experiences of social inclusion. Data were transcripts of five focus group interviews carried out with a total of 31 participants during the last SO World Winter Games in 2017. The content was analysed with the aim of identifying the main themes in the athletes’ conversations about social inclusion. Three main themes were identified: inclusion as a contrast to past discrimination;…
An ecologist’s guide for studying DNA methylation variation in wild vertebrates
2022
The field of molecular biology is advancing fast with new powerful technologies, sequencing methods and analysis software being developed constantly. Commonly used tools originally developed for research on humans and model species are now regularly used in ecological and evolutionary research. There is also a growing interest in the causes and consequences of epigenetic variation in natural populations. Studying ecological epigenetics is currently challenging, especially for vertebrate systems, because of the required technical expertise, complications with analyses and interpretation, and limitations in acquiring sufficiently high sample sizes. Importantly, neglecting the limitations of t…
The Mediating Role of Endocrine Factors in the Positive Relationship Between Fat Mass and Bone Mineral Content in Children Aged 9-11 Years: The Physi…
2022
IntroductionWe aimed to investigate whether the relationship between fat mass and bone mineral content (BMC) is mediated by insulin, leptin, adiponectin, dehydroepiandrosterone sulphate, testosterone and estradiol in children aged 9-11 years.Materials and MethodsWe utilised cross-sectional data from the Physical Activity and Nutrition in Children study (n = 230 to 396; 112 to 203 girls). Fat mass and BMC were assessed with dual-energy X-ray absorptiometry. Endocrine factors were assessed from fasted blood samples. We applied the novel 4-way decomposition method to analyse associations between fat mass, endocrine factors, and BMC.ResultsFat mass was positively associated with BMC in girls (ß…
The Positive Relationship between Moderate-to-Vigorous Physical Activity and Bone Mineral Content Is Not Mediated by Free Leptin Index in Prepubertal…
2021
Purpose: Moderate-to-vigorous physical activity (MVPA) positively influences bone mineral content (BMC) in prepubertal children, but it is unknown whether this relationship is partially mediated by free leptin index. The aim of this study was to examine whether the relationship between MVPA and total body less head (TBLH) BMC is mediated or moderated by free leptin index in prepubertal children. Methods: We performed a cross-sectional analysis on 401 children (194 girls) from baseline examinations of the Physical Activity and Nutrition in Childhood Study. We applied the four-way decomposition mediation analysis method to assess whether free leptin index, measured from fasted blood samples, …
Physical activity volume and intensity distribution in relation to bone, lean and fat mass in children.
2022
Funder: City of Kuopio