New data on biogeography, classification and phylogeny of Рhysidae (Gastropoda: Hygrophila) = Новые данные биогеографии, классификации и филогении Рhysidae (Gastropoda: Hygrophila)

Physidae are a family of freshwater pulmonate gastropods with about 90-100 named species, newly divided among 23 genera in seven tribes and four clades. Morphological studies resulted in discovery of many new characters, some of them progressive, yielding criteria for primitive versus advanced states. Thus it is possible to assert that primitive groups are concentrated on the Pacific coast from Mexico to Costa Rica, and to trace the spread of lineages from this region to other parts of the world

Mother-to-Mother: Creating A Peer Mentor Program for Mothers in Homelessness

Mothers with children represent a growing segment of the homeless population. The American Psychological Association (APA) responded to the problem by initiating a task force in 2009 calling psychologists to step forward and enhance the treatment and services available for this population. However, providing treatment is often a challenge for this population because of the power differential and other barriers that negatively impact the potential relationship between mental health providers and the person living in homelessness (Hoffman & Coffey, 2008). The use of a peer mentor to mitigate the risk factors for a specific population has been an effective intervention used by multiple support and advocacy groups (e.g. NAMI, AA). Building on research supporting the effectiveness of a peer-mentoring model, this study explored the impact of a mentoring program on the self-efficacy, self-esteem and self-perception of overall functioning for mothers experiencing homelessness. Using a repeated measures ANOVA design, this study compared the effectiveness of two mentoring approaches. One group of mentors were trained to incorporate a structured, brief intervention model (5A’s) into the meetings with their mentees versus a group of mentors using an unstructured approach for mentee meetings. Results showed that a four-session peer mentoring program significantly improved perceived overall functioning for both groups of mentees. However, the study did not find a statistical differences between the structured versus unstructured groups. Discussion and implications for future studies are included

Some Like it Hot, Some Like it Cold, Most Like it Here: Forecasting Retirement in the Chicago Region

Over the next 20 years, an explosion of senior citizens who will opt to retire in the region rather than move away will change the face of the Chicago metropolitan region dramatically. This study, forecasting retirement trends in the 6-county Chicago metropolitan region through the year 2020, projects an overall 40 percent increase in the regions population of seniors who are age 60 or older. The increase outpaces the regions expected 16 percent growth in overall population over the next 20 years.The number of seniors not living in designated senior housing will increase by 18 percent in the City of Chicago, 22 percent in suburban Cook County, and by 58 percent in the collar counties. An additional 28,000 seniors are expected to be in the market for designated senior housing by 2020 and this demand is likely to outpace current supply.The study found the regions seniors who are retired or considering retirement are most concerned with (by ranking of importance):-- Availability of quality medical care-- Cost of living-- Availability of assistance and social services-- Public transportation-- Affordable housing-- Opportunities for culture and recreations-- Availability of high-quality housing with full services program

Magnetizing Neighborhoods Through Amateur Arts Performance

Outlines the Arts and Cultural Indicators in Community Building Project's findings on how amateur, informal arts activity improves a community's desirability, social integration, and quality of life as measured by population, test scores, and crime rates

The Role of Aggravated Offences in Combating Hate Crime – 15 years after the CDA 1998 – Time for a change?

The racially aggravated offences created by the 1998 Act (later extended to religious aggravation) were based on a rather arbitrary selection of underlying crimes and have proved difficult to interpret and apply for a number of reasons. Moreover, the relationship between the aggravated offences and the more general duty to increase the sentence for any offence where there is racial (or religious) aggravation is problematical. This is illustrated by the common misunderstandings of the case law on the degree of mutual exclusivity between the crimes underlying the aggravated offences and the more general aggravated sentencing provisions. In the context of the question referred by the government to the Law Commission, as to whether the aggravated offences should be extended further to include a number of other grounds of aggravation, it is argued that this would be counter-productive and that their further extension would lead to even greater confusion and complexity. It is suggested that the preferable course would be to abolish the aggravated offences and to focus on a broader and better articulated sentencing provision of general application which would be all the more effective without the complications of its uncertain relationship with an anomalously selected group of aggravated offences

A straightening algorithm for row-convex tableaux

We produce a new basis for the Schur and Weyl modules associated to a row-convex shape, D. The basis is indexed by new class of "straight" tableaux which we introduce by weakening the usual requirements for standard tableaux. Spanning is proved via a new straightening algorithm for expanding elements of the representation into this basis. For skew shapes, this algorithm specializes to the classical straightening law. The new straight basis is used to produce bases for flagged Schur and Weyl modules, to provide Groebner and sagbi bases for the homogeneous coordinate rings of some configuration varieties and to produce a flagged branching rule for row-convex representations. Systematic use of supersymmetric letterplace techniques enables the representation theoretic results to be applied to representations of the general linear Lie superalgebra as well as to the general linear group.Comment: 31 pages, latex2e, submitted to J. Algebr

Interpolating Between Hilbert-Samuel and Hilbert-Kunz Multiplicity

We define a function, called s-multiplicity, that interpolates between Hilbert-Samuel multiplicity and Hilbert-Kunz multiplicity by comparing powers of ideals to the Frobenius powers of ideals. The function is continuous in s, and its value is equal to Hilbert-Samuel multiplicity for small values of s and is equal to Hilbert-Kunz multiplicity for large values of s. We prove that it has an Associativity Formula generalizing the Associativity Formulas for Hilbert-Samuel and Hilbert-Kunz multiplicity. We also define a family of closures such that if two ideals have the same s-closure then they have the same s-multiplicity, and the converse holds under mild conditions. We describe the s-multiplicity of monomial ideals in toric rings as a certain volume in real spaceComment: 19 page

Income Diversity and the Context of Community Development

The report "Income Diversity and the Context of Community Development" presents the MCIC Income Diversity Index: a three-decade retrospective analysis that seeks to establish a framework to describe patterns of neighborhood economic change in the City of Chicago. This analysis of household income data from the U.S. Census (1970-2000) shows that, while some wealthy Chicago neighborhoods have gotten richer and some poor neighborhoods have gotten poorer, many Chicago neighborhoods are remarkably stable.After researching and developing an innovative, new measure of income diversity, MCIC has identified four distinct patterns of neighborhood economic change in the City of Chicago, since 1970:1) Emerging high net worth2) Emerging low net worth3) Emerging bipolarity4) Stable diversityMCIC identified patterns for each of the 77 Chicago Community Areas to provide an important context for community development strategies.For example, in an Emerging High Income neighborhood (21 in all), the high-income population is increasing and the low-income population is decreasing. Development strategies in these areas should focus on protecting low- to moderate- income households from radical displacement and encourage the use of upgraded public and commercial services.An Emerging Low Income neighborhood, on the other hand, tracks a decline in the high-income population and an increase in the low-income population. In these communities, development efforts should focus on developing infrastructure, investing in buildings and retaining moderate- to high-income households.Additionally, the MCIC study identifies a disturbing "Desertification" trend among half of Chicago's 22 Emerging Low Income communities. In these neighborhoods, disinvestment and neglect have driven away middle- and high- income households.The City's 15 "Bipolar" neighborhoods have seen increases in both high- and low-income residents, and the remaining 19 communities maintain stable, economically diverse populations.Based on household income data from the U.S. Census, the MCIC analysis does not track change in income diversity since the year 2000. However, it does illustrate income trends that provide useful context and baseline data for community development strategists

Assessing the efficacy of online teaching with the Constructivist online learning environment survey

Teachers of science, mathematics and technology Australia wide are being required to transform their established epistemologies of practice in order to engage learners as active conceptualisers within socially interactive learning environments. Many teachers are enrolling in postgraduate distance education programs to assist them with this challenging task. Curtin University is responding by using computer mediated communication to speed up the exchange of distance study materials and to provide online interactive learning environments (via chat groups, bulletin boards and email). For the past three years, the authors have been using the Internet to teach online Masters degree students studying at a distance from Curtin. The major pedagogical goal is to engage students (professional teachers) in reflective and collaborative learning. The web sites provide Activity Rooms in which the teachers engage students in frequent and focused discourse with each other and with their online tutors. As reflective teachers, the authors are keen to evaluate their own innovative practices and constantly improve them. To this end, they have designed the Constructivist On-Line Learning Environment Survey (COLLES), an electronic questionnaire that enables them to readily monitor each student's preferred online learning environment and compare it with her/his actual experiences. In this presentation, they outline the rationale of the questionnaire and present some preliminary analyses that illustrate its usefulness. [Author abstract, ed] Teachers of science, mathematics and technology Australia wide are being required to transform their established epistemologies of practice in order to engage learners as active conceptualisers within socially interactive learning environments. Many teachers are enrolling in postgraduate distance education programs to assist them with this challenging task. Curtin University is responding by using computer mediated communication to speed up the exchange of distance study materials and to provide online interactive learning environments (via chat groups, bulletin boards and email). For the past three years, the Internet has been used to teach online Masters degree students studying at a distance from Curtin. The major pedagogical goal is to engage the students (professional teachers) in reflective and collaborative learning. Curtin's web sites provide Activity Rooms in which students are engaged in frequent and focused discourse with each other and with their online tutors. To evaluate and improve on their teaching practice, the academic staff designed the Constructivist On-Line Learning Environment Survey (COLLES), an electronic questionnaire that enables them to readily monitor each student's preferred online learning environment and compare it with her/his actual experiences. This paper outlines the rationale of the questionnaire and presents some preliminary analyses that illustrate its usefulness