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Potential Wadge Classes

Potential Wadge Classes PDF Author: Dominique Lecomte
Publisher: American Mathematical Soc.
ISBN: 0821875574
Category : Mathematics
Languages : en
Pages : 95

Book Description
Let $\bf\Gamma$ be a Borel class, or a Wadge class of Borel sets, and $2\!\leq\! d\!\leq\!\omega$ be a cardinal. A Borel subset $B$ of ${\mathbb R}^d$ is potentially in $\bf\Gamma$ if there is a finer Polish topology on $\mathbb R$ such that $B$ is in $\bf\Gamma$ when ${\mathbb R}^d$ is equipped with the new product topology. The author provides a way to recognize the sets potentially in $\bf\Gamma$ and applies this to the classes of graphs (oriented or not), quasi-orders and partial orders.

Potential Wadge Classes

Potential Wadge Classes PDF Author: Dominique Lecomte
Publisher: American Mathematical Soc.
ISBN: 0821875574
Category : Mathematics
Languages : en
Pages : 95

Book Description
Let $\bf\Gamma$ be a Borel class, or a Wadge class of Borel sets, and $2\!\leq\! d\!\leq\!\omega$ be a cardinal. A Borel subset $B$ of ${\mathbb R}^d$ is potentially in $\bf\Gamma$ if there is a finer Polish topology on $\mathbb R$ such that $B$ is in $\bf\Gamma$ when ${\mathbb R}^d$ is equipped with the new product topology. The author provides a way to recognize the sets potentially in $\bf\Gamma$ and applies this to the classes of graphs (oriented or not), quasi-orders and partial orders.

Potential Wadge Classes

Potential Wadge Classes PDF Author: Dominique Lecomte
Publisher:
ISBN: 9780821894590
Category : Borel sets
Languages : en
Pages : 83

Book Description


Logic, Methodology and Philosophy of Science IX

Logic, Methodology and Philosophy of Science IX PDF Author: D. Prawitz
Publisher: Elsevier
ISBN: 0080544959
Category : Mathematics
Languages : en
Pages : 1005

Book Description
This volume is the product of the Proceedings of the 9th International Congress of Logic, Methodology and Philosophy of Science and contains the text of most of the invited lectures. Divided into 15 sections, the book covers a wide range of different issues. The reader is given the opportunity to learn about the latest thinking in relevant areas other than those in which they themselves may normally specialise.

Wage and Well-being

Wage and Well-being PDF Author: Stuart C. Carr
Publisher: Springer Nature
ISBN: 3031193016
Category : Psychology
Languages : en
Pages : 278

Book Description
This book examines the links between work wage and wellbeing, drawing on the new specialism of Humanitarian Work Psychology and the United Nations Sustainable Development Goals (SDGs). Humanitarian work psychology foregrounds people before profit, not wages before people. It resonates with the SDGs through the Decent Work Agenda, a policy program that stresses a number of humanitarian concerns: standards and rights at work, employment creation and enterprise development, social protection and social dialogue. These standards and forms of dialogue, from the living wage standard to new diplomacies for inclusive policy dialogue, appear and re-appear throughout the following chapters and sections in the book. The book synthesizes job characteristics models and psychology of working approaches with job evaluation techniques, poverty trap theory, diminishing marginal returns, work justice theory, the social psychology of equality and inequality, and a range of literatures on wellbeing that crisscross the social sciences.

Report on Progress of the Works Program

Report on Progress of the Works Program PDF Author: United States. Works Progress Administration
Publisher:
ISBN:
Category : Public service employment
Languages : en
Pages : 84

Book Description


Europe's Disappearing Middle Class?

Europe's Disappearing Middle Class? PDF Author: Daniel Vaughan-Whitehead
Publisher: Edward Elgar Publishing
ISBN: 1786430606
Category : Business & Economics
Languages : en
Pages : 667

Book Description
While recent studies have highlighted the phenomenon and risks of increased inequalities between the top and the bottom of society, little research has so far been carried out on trends relating to the median income range that generally represents the middle class. This volume examines the following questions: what are the main transformations in the world of work over the last 20 years in terms of the labour market, social dialogue, and conditions of work, wages and incomes that may have affected the middle class? How has the middle class been altered by the financial and economic crisis? What are the long-term trends for the middle class in Europe?

OECD Sustainable Development Studies Subsidy Reform and Sustainable Development Economic, Environmental and Social Aspects

OECD Sustainable Development Studies Subsidy Reform and Sustainable Development Economic, Environmental and Social Aspects PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264025650
Category :
Languages : en
Pages : 149

Book Description
These proceedings present an overview of approaches for assessing subsidies and associated taxes and look at country experiences in reforming subsidies in agriculture, fisheries, industry and transport.

The Reductive Subgroups of $F_4$

The Reductive Subgroups of $F_4$ PDF Author: David I. Stewart
Publisher: American Mathematical Soc.
ISBN: 0821883321
Category : Mathematics
Languages : en
Pages : 100

Book Description
Let $G=G(K)$ be a simple algebraic group defined over an algebraically closed field $K$ of characteristic $p\geq 0$. A subgroup $X$ of $G$ is said to be $G$-completely reducible if, whenever it is contained in a parabolic subgroup of $G$, it is contained in a Levi subgroup of that parabolic. A subgroup $X$ of $G$ is said to be $G$-irreducible if $X$ is in no proper parabolic subgroup of $G$; and $G$-reducible if it is in some proper parabolic of $G$. In this paper, the author considers the case that $G=F_4(K)$. The author finds all conjugacy classes of closed, connected, semisimple $G$-reducible subgroups $X$ of $G$. Thus he also finds all non-$G$-completely reducible closed, connected, semisimple subgroups of $G$. When $X$ is closed, connected and simple of rank at least two, he finds all conjugacy classes of $G$-irreducible subgroups $X$ of $G$. Together with the work of Amende classifying irreducible subgroups of type $A_1$ this gives a complete classification of the simple subgroups of $G$. The author also uses this classification to find all subgroups of $G=F_4$ which are generated by short root elements of $G$, by utilising and extending the results of Liebeck and Seitz.

The Role of Law Enforcement in the Prevention and Treatment of Child Abuse and Neglect

The Role of Law Enforcement in the Prevention and Treatment of Child Abuse and Neglect PDF Author: Diane D. Broadhurst
Publisher:
ISBN:
Category : Abused children
Languages : en
Pages : 794

Book Description


The Politics of Race, Class and Special Education

The Politics of Race, Class and Special Education PDF Author: Sally Tomlinson
Publisher: Routledge
ISBN: 131774554X
Category : Education
Languages : en
Pages : 198

Book Description
In the World Library of Educationalists series, international experts themselves compile career-long collections of what they judge to be their finest pieces – extracts from books, key articles, salient research findings, major theoretical and practical contributions – so the world can read them in a single manageable volume. Readers will be able to follow the themes and strands and see how their work contributes to the development of the field. Professor Sally Tomlinson brings together 12 of her key writings in one place, including chapters from her best-selling books and articles from leading journals. In this landmark publication she reviews and recounts the history and development of her research and writing over 30 years that is concerned with the politics of education systems, especially special education, and the place of social classes and ethnic and racial minorities in the systems. Social class, race and gender have historically always been essential markers in deciding who would receive a minimum or inferior education and thus fail to obtain whatever were currently acceptable qualifications. Definitions of the ‘less able’ or ineducable were based on beliefs in the biological and cultural inferiority of lower social classes, racial and immigrant groups. Professor Tomlinson’s aim in her work has always been to introduce sociological, historical and political perspectives into an area dominated by psychological, administrative and technical views and to explain how the individual ‘problems’ were connected to wider social structures and policies. This unique collection illustrates the development of Professor Tomlinson’s thinking over the course of her long and esteemed career.