Double Dirichlet series and quantum unique ergodicity of weight 1/2 Eisenstein series

The problem of quantum unique ergodicity (QUE) of weight 1/2 Eisenstein series for {\Gamma}_0(4) leads to the study of certain double Dirichlet series involving GL2 automorphic forms and Dirichlet characters. We study the analytic properties of this family of double Dirichlet series (analytic continuation, convexity estimate) and prove that a subconvex estimate implies the QUE result.Comment: 45 pages, 4 figures. Several minor corrections. To appear in Algebra and Number theor

Warm water temperature regimes in eelgrass beds (Z. marina and Z. japonica) of Padilla Bay, WA

Padilla Bay, WA has over 3300 hectares of eelgrass with vast areas of intermixed beds of the native Zostera marina and non-native Zostera japonica. Water temperature is thought to be one of the primary influences on eelgrass distribution, and long term monitoring shows that temperatures in Padilla Bay have increased substantially (mean increase \u3e2°C) from 2011 through 2016. We were interested to see if changes in eelgrass distribution were correlated with the changes we observed in water temperature in Padilla Bay, however, our long term temperature monitoring station is located in a shallow channel within the eelgrass beds. Because of this sensor placement, we first needed to determine if these data were representative of temperatures experienced by eelgrass on the vegetated flats. To test this, we deployed 45 temperature loggers throughout the intertidal and subtidal distribution of Z. marina and Z. japonica. We found that temperatures recorded at our long term monitoring site greatly underestimated the high temperatures experienced by the intertidal eelgrass. In Padilla Bay, Zostera marina was exposed to temperatures above 8°C, the optimal temperature reported for Z. marina growth in the PNW, for over 90% of the time during the peak growing season (March – Sept.). Furthermore, Z. marina experienced extended periods of time above 15°C, temperatures thought to cause stress to local plants. Despite these elevated temperatures, Z. marina remain robust, suggesting that Z. marina in Padilla Bay may have a higher tolerance for warmer water temperatures than other beds in the PNW or may be living near the upper limits of tolerance for PNW plants. This study characterizes – on a fine spatial scale – the duration and intensity of temperatures extremes that eelgrass experience in shallow systems and ultimately provides insight into the health and performance of eelgrass in a warmer future ocean

Prevalence of Low Energy Availability in Collegiate Female Runners and Implementation of Nutrition Education Intervention

Objective: This study examined the prevalence of low energy availability in a sample of female collegiate athletes (N=25) then delivered nutrition education related to the female athlete triad and assessed change in knowledge and dietary behaviors. Methods: Average energy intake was assessed pre- and post-education using Automated Self-Administered 24- Hour Dietary Recalls. We assessed body composition with multiple-site skinfold measures. Energy expenditure was assessed with accelerometers and a physical activity diary over a 3-day period. A 73-item questionnaire was used to assess knowledge and behavior changes. Results: At baseline, 92% had an index of energy availability /kg of fat free mass/day. 40% of participants were amenorrheic, and 32% had a history of stress fractures. There was an increase in summed nutrition knowledge, post-nutrition education (p=0.001), but no increase in caloric intake (p=0.979). Conclusion: Low energy availability was common in this sample of female collegiate track athletes, but did not improve with a targeted intervention

Staff experiences of a reablement approach to care for older people in a regional Australian community : a qualitative study

Reablement is described as a person-centred, goal-directed intervention with a view to regain, maintain or improve the independence of older clients. Although evidence to support the use of reablement as a multidisciplinary, home-based intervention for community-dwelling older adults is increasing, there is limited knowledge about what it means for care staff who provide client-based services. This study, which was nested in a larger program evaluation, used a descriptive qualitative approach to explore direct care staff and care coordinator experiences of translating a reablement training program into practice for older people in a regional Australian community. Two months after the training program four focus groups were conducted with 13 care coordinators to assimilate staff experiences with development of care plans, systems, processes and practices of reablement. In addition, four direct care staff took part in individual interviews, which centred on eliciting their experience using the reablement approach with clients. Results from the care coordinator focus groups and the direct care staff interviews highlight the importance of reablement staff training and the involvement of staff in the development and delivery of a reablement approach to client-centred care. A number of organisational and client-centred challenges such as communication, functional partnerships, staff education and resourcing are also uncovered in this research into the development of a reablement-focused care service in a regional setting. Overall there is support for the dominating discourse around healthy ageing and the policy approach of ageing in place to support wellness

Prospectus, April 5, 2006

https://spark.parkland.edu/prospectus_2006/1010/thumbnail.jp

Prospectus, January 18, 2006

https://spark.parkland.edu/prospectus_2006/1000/thumbnail.jp

Prospectus, February 1, 2006

https://spark.parkland.edu/prospectus_2006/1002/thumbnail.jp

Successful identification of rare variants using oligogenic segregation analysis as a prioritizing tool for whole-exome sequencing studies

We aim to identify rare variants that have large effects on trait variance using a cost-efficient strategy. We use an oligogenic segregation analysis as a prioritizing tool for whole-exome sequencing studies to identify families more likely to harbor rare variants, by estimating the mean number of quantitative trait loci (QTLs) in each family. We hypothesize that families with additional QTLs, relative to the other families, are more likely to segregate functional rare variants. We test the association of rare variants with the traits only in regions where at least modest evidence of linkage with the trait is observed, thereby reducing the number of tests performed. We found that family 7 harbored an estimated two, one, and zero additional QTLs for traits Q1, Q2, and Q4, respectively. Two rare variants (C4S4935 and C6S2981) segregating in family 7 were associated with Q1 and explained a substantial proportion of the observed linkage signal. These rare variants have 31 and 22 carriers, respectively, in the 128-member family and entered through a single but different founder. For Q2, we found one rare variant unique to family 7 that showed small effect and weak evidence of association; this was a false positive. These results are a proof of principle that prioritizing the sequencing of carefully selected extended families is a simple and cost-efficient design strategy for sequencing studies aiming at identifying functional rare variants

Prospectus, May 3, 2006

https://spark.parkland.edu/prospectus_2006/1014/thumbnail.jp