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Search Results: 1 - 10 of 344 matches for " Elisabet Langmann "
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V lkomna (n stan) allihopa! Mellan kategoriserade olikheter och radikal skillnad
Elisabet Langmann
Utbildning & Demokrati : Tidsskrift f?r Didaktik och Utbildningspolitik , 2010,
Abstract: Welcome (almost) everyone! Between social categories and radicaldifference. This article explores the dilemmas involved in welcoming differences in education without simultaneously fostering structural conditions that reproduce discrimination and intolerance. Taking an excerpt from Fanny Abj rnsson’s doctoral thesis I en klass f r sig (2004) and Jacques Derrida’s deconstructions of the concept of hospitality as points of departure, the article unfolds in three parts. First, I make a distinction between two ways of responding to the otherness of the other: a conditional welcoming of social categories, and an unconditional welcoming of radical difference. These are further explored in part two. In part three I turn to he “double responsiveness” Derrida highlights as inherent in the paradoxes of hospitality, and ask how it is possible to act within this tension in relation to education. I argue that the welcoming of differences in education demands sensitivity to ambiguity and uncertainty, as well as tact and improvisation in concrete pedagogical situations.
Internet-Based Support and Coaching for Adolescents and Young Adults with Neuropsychiatric Disorders—The Implementation of an Intervention from an Organizational Perspective  [PDF]
Nanna Gillberg, Elisabet Wentz
Health (Health) , 2017, DOI: 10.4236/health.2017.91006
Abstract: There is a documented and often unmet need for interventions aimed at supporting young people with attention-deficit/hyperactivity disorder (ADHD) and/or autism spectrum disorder (ASD) in their transition between adolescence and adulthood. Difficulties with social interaction, initiation difficulties, and impairments in executive function can complicate visits at a clinic, i.e. traditional treatment, for individuals with neuropsychiatric disorders (NPD). A model for internet-based support and coaching aimed at young people with ASD and/or ADHD was developed and tested at three treatment sites in western Sweden. The implementation was analyzed against an inventory according to which implementations are more likely to be successful if an intervention: 1) has advantages compared to other existing methods, 2) matches the individual and organizational values, norms and work practices of its recipients, 3) is perceived as easy to use, and 4) is adaptable to local conditions and the recipients’ needs. Data were collected through group interviews with professionals involved in the implementation of the intervention. The implementation of the intervention showed promising results on measures such as access, delivery/quality of healthcare services, and equality of distribution of healthcare services. The identified impediments to successful implementation related to a wide range of factors and levels, including the design of the intervention, technical issues, attitudes of staff, organizational culture, and organizational structure at the implementation sites in terms of patient stock, work division, and resource allocation. The results are consistent with previous studies that stress the need for multi-component implementation strategies.
Singular Eigenfunctions of Calogero-Sutherland Type Systems and How to Transform Them into Regular Ones
Edwin Langmann
Symmetry, Integrability and Geometry : Methods and Applications , 2007,
Abstract: There exists a large class of quantum many-body systems of Calogero-Sutherland type where all particles can have different masses and coupling constants and which nevertheless are such that one can construct a complete (in a certain sense) set of exact eigenfunctions and corresponding eigenvalues, explicitly. Of course there is a catch to this result: if one insists on these eigenfunctions to be square integrable then the corresponding Hamiltonian is necessarily non-hermitean (and thus provides an example of an exactly solvable PT-symmetric quantum-many body system), and if one insists on the Hamiltonian to be hermitean then the eigenfunctions are singular and thus not acceptable as quantum mechanical eigenfunctions. The standard Calogero-Sutherland Hamiltonian is special due to the existence of an integral operator which allows to transform these singular eigenfunctions into regular ones.
Distributed Web-Based Control System
Reinhard Langmann
International Journal of Online Engineering (iJOE) , 2010, DOI: 10.3991/ijoe.v6i3.1345
Abstract: The paper describes a concept and application examples for a distributed Web-based control system (DWCS). The DWCS is based of two key components: an IEC 61131-programmable Web control and a process data proxy as the process interface. Control functions can be distributed and executed ad lib in the Intranet/Internet via the DWCS.
Web-based Remote Control by LiveConnect
Reinhard Langmann
International Journal of Online Engineering (iJOE) , 2005,
Abstract: This paper deals with the application of LiveConnect for the remote control of real devices/stations over the Web. In this context, both the concept of Lean Web Automation and a flexible Java-based application tool have been developed ensuring a fast and secure process data transfer between device-server and Web browser by the subscriber/publisher principle. Index Term: Web-based remote control, Lean Web Automation, teletechnology, Web Access Kit.
The Web-controlled mobile Communication Robot Ego Secundus
Reinhard Langmann
International Journal of Online Engineering (iJOE) , 2007,
Abstract: The R&D project Ego Secundus (ES) is a practical and usable implementation of telepresence for a new type of interpersonal and remote communication. Known technologies are exploited and optimized, while existing deficits are remedied by adding supplemental components. It envisions the creation of a system that enables global use by the lay person over the Internet with standard IT technologies. Ego secundus acts as a user ¢ € s ¢ € second ego ¢ € which is a spacially remote representative of the user in the real world.
From the REV2008 Conference Chair
Reinhard Langmann
International Journal of Online Engineering (iJOE) , 2008,
Abstract: REV2008 was organized at Duesseldorf University of Applied Sciences from 23 to 25 June 2008.
Web-based Operation of Mass Flow Rate Measuring Instruments
Reinhard Langmann
International Journal of Online Engineering (iJOE) , 2007,
Abstract: The paper introduces a solution for a web-based operation of mass flow rate measuring instruments (LeanTMF-Net). The system is based on Ethernet link moduls for HART process data and an event-based real- time web-visualization The LeanTMF-Net can be flexibly adapted to the relevant user conditions thanks to the transparent and user-independent implementation completely based on standard Internet technology.
Volcanic Ash versus Mineral Dust: Atmospheric Processing and Environmental and Climate Impacts
Baerbel Langmann
ISRN Atmospheric Sciences , 2013, DOI: 10.1155/2013/245076
Abstract: This review paper contrasts volcanic ash and mineral dust regarding their chemical and physical properties, sources, atmospheric load, deposition processes, atmospheric processing, and environmental and climate effects. Although there are substantial differences in the history of mineral dust and volcanic ash particles before they are released into the atmosphere, a number of similarities exist in atmospheric processing at ambient temperatures and environmental and climate impacts. By providing an overview on the differences and similarities between volcanic ash and mineral dust processes and effects, this review paper aims to appeal for future joint research strategies to extend our current knowledge through close cooperation between mineral dust and volcanic ash researchers. 1. Introduction Volcanic ash represents a major product of volcanic eruptions [1–3]. It is formed by fragmentation processes of the magma and the surrounding rock material of volcanic vents [1, 4]. Depending on the strength of a volcanic eruption, volcanic ash is released into the free troposphere or even the stratosphere [1, 5], where it is transported by the prevailing winds until it is removed from the atmosphere by gravitational settling and wet deposition [6]. Volcanic ash is also known to be mobilised by wind from its deposits [7–12], which have accumulated after volcanic eruptions on land located along the main transport directions of the volcanic cloud, which spreads out over hundreds to thousands of kilometres, dependent on wind speed, ash size, ash density, and eruption magnitude. In contrast to atmospheric mineral dust, the importance of volcanic ash for climate has long been considered negligible [5]. The global mineral dust cycle and its interactions with the Earth’s climate system have been studied widely [13–18]. Mineral dust aerosols affect the radiative forcing of the atmosphere directly [13, 19] and indirectly by acting as cloud condensation or ice nuclei [20, 21]. Furthermore, mineral dust aerosols influence ozone photochemistry [22, 23] and supply nutrients to marine [24] and terrestrial ecosystems [25]. Vice versa, climate variability affects the mineral dust burden of the atmosphere through modifications of precipitation, vegetation cover, and wind [15]. This review contrasts the environmental and climatic effects of volcanic ash versus those of mineral dust. A stronger focus is put on the description of volcanic ash, whereas mineral dust effects are described in less detail, but with referencing the extensive literature. Similarities and differences will be
Fermion Current Algebras and Schwinger Terms in 3+1 Dimensions
Edwin Langmann
Physics , 1993, DOI: 10.1007/BF02105184
Abstract: We discuss the restricted linear group in infinite dimensions modeled by the Schatten class of rank $2p=4$ which contains $(3+1)$-dimensional analog of the loop groups and is closely related to Yang-Mills theory with fermions in $(3+1)$-dimensions. We give an alternative to the construction of the ``highest weight'' representation of this group found by Mickelsson and Rajeev. Our approach is close to quantum field theory, with the elements of this group regarded as Bogoliubov transformations for fermions in an external Yang-Mills field. Though these cannot be unitarily implemented in the physically relevant representation of the fermion field algebra, we argue that they can be implemented by sesquilinear forms, and that there is a (regularized) product of forms providing an appropriate group structure. On the Lie algebra level, this gives an explicit, non-perturbative construction of fermion current algebras in $(3+1)$ space-time dimensions which explicitly shows that the ``wave function renormalization'' required for a consistent definition of the currents and their Lie bracket naturally leads to the Schwinger term identical with the Mickelsson-Rajeev cocycle. Though the explicit form of the Schwinger term is given only for the case $p=2$, our arguments apply also to the restricted linear groups modeled by Schatten classes of rank $2p=6,8,\ldots$ corresponding to current algebras in $(d+1)$- dimensions, $d=5,7,\ldots$.
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