14 research outputs found
Portable parallelization of industrial aerodynamic applications (POPINDA): results of a BMBF project
MÄlsÀgande i marknadsmanipulation och en skadelidande investerare i straffprocessen
VÀrdepappersmarknaden Àr en del av det globala finansiella system vars samhÀlleliga uppgift Àr att allokera och omfördela ekonomiska tillgÄngar, investeringar och risk. För att pÄ bÀsta sÀtt fylla dessa funktioner krÀvs att marknaden Àr effektiv och likvid samt att priserna pÄ marknaden reagerar enligt ny information.
Hoten mot en sÄdan vÀlfungerande marknad Àr pÄtagliga och lagstiftaren har i omgÄngar under de senaste decennierna intervenerat för att förebygga skadliga beteenden. En av de centrala interventionerna Àr förbud mot marknadsmissbruk som riktar sig mot skapandet och utnyttjandet av informationsasymmetrier. Marknadsmanipulation Àr ett sÄdant beteende och förbudsbestÀmmelser finns bÄde i vÀrdepappersmarknadens myndighetsreglering och bland de civilrÀttsliga normerna.
Avhandlingen undersöker utifrÄn tvÄ frÄgestÀllningar en skadelidande investerares roll i marknadsmanipulation i straffprocessen.
ForskningsfrÄgans första led har bakgrund i den, tidvis, omfattande kritik som förts fram i inhemsk doktrin gÀllande oklart ersÀttningsansvar i vÀrdepappersmarknadsbrott och avsaknad av mÄlsÀgande. Avhandlingen analyserar mÄlsÀgandebegreppet i marknadsmanipulation utgÄende frÄn en hybriddefinition som kompletterar Granfelts mÄlsÀgandedefinition med processuella definitioner. Inget av de mÄlsÀgandekriterier avhandlingen analyserat tyder pÄ att en skadelidande investerare kan beviljas mÄlsÀgandestÀllning i marknadsmanipulation.
ForskningsfrÄgans andra led analyserar en skadelidande investerares möjlighet att bevaka sina intressen som tredje man i straffprocessen. Denna möjlighet synes framför allt vara beroende av att den rÀttsliga dimensionen av skada i marknadsmanipulation klargörs i lagstiftningen. Detta förutsÀtter, förutom förtydligande av vissa skadestÄndsrÀttsliga frÄgor, (1) klargörande av om den enskildes skada i marknadsmanipulation kan utredas vid förundersökningen och (2) i vilka fall den skadelidande investeraren kan kumulera sitt skadestÄndsansprÄk enligt adhesionsprincipen att behandlas i brottmÄlsrÀttegÄngen samt (3) tydligare normer och praxis betrÀffande nÀr domstolen i brottmÄlsrÀttegÄng i marknadsmanipulation ska separera Ätalet och det privatrÀttsliga ansprÄket enligt lag om rÀttegÄng i brottmÄl
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The Fraunhofer Institute for Algorithms and Scientific Computing SCAI
The Fraunhofer Institute for Algorithms and Scientific Computing SCAI, together with its forerunner institutes, will be 50 years old in 2018. This means that a large part of the development of information technology has been accompanied by SCAI. And at least on the software and the algorithmic side, SCAI has contributed substantially to this development
Scientific Computing and Algorithms in Industrial Simulations: Projects and Products of Fraunhofer SCAI
The contributions gathered here provide an overview of current research projects and selected software products of the Fraunhofer Institute for Algorithms and Scientific Computing SCAI. They show the wide range of challenges that scientific computing currently faces, the solutions it offers, and its important role in developing applications for industry. Given the exciting field of applied collaborative research and development it discusses, the book will appeal to scientists, practitioners, and students alike. The Fraunhofer Institute for Algorithms and Scientific Computing SCAI combines excellent research and application-oriented development to provide added value for our partners. SCAI develops numerical techniques, parallel algorithms and specialized software tools to support and optimize industrial simulations. Moreover, it implements custom software solutions for production and logistics, and offers calculations on high-performance computers. Its services and prod ucts are based on state-of-the-art methods from applied mathematics and information technology
Cluster of Supercomputers - an Alternative to Massively Parallel Computing
. We discuss the question, whether the parallel IFS weather prediction model of the ECMWF can efficiently run on a cluster of supercomputers. In a joint project with Cray Research, we studied C90 systems which were connected by Hippi channels. The analysis shows that indeed a very high efficiency can be achieved provided the right parallelisation, cluster partitioning, and mapping approach is applied. Keywords. cluster computing, cluster of supercomputers, parallel computing, performance prediction, Cray C90, Hippi channel. 1 Introduction Cluster computing -- the use of a strongly connected cluster of (shared memory) high performance computers instead of a single supercomputer -- is a topic of central interest. However very little practical experience has been made so far with large scale production codes on clusters of supercomputers. In a joint project with CRAY Research and in close co-operation with the ECMWF, we investigated the potential of cluster computing for weather (and ..
LiSS - An environment for the parallel multigrid solution of partial differential equations on general 2D domains
: L i SS is a very general package for the parallel multigrid solution of nonlinear partial differential equations. This paper gives the reader an impression of what L i SS can do. It includes the description of two important current perspectives, the implementation of adaptive structures and the generalization to 3D. An overview of numerical and parallel results is given. Keywords. Partial differential equations, general domains, multigrid, parallelization, grid partitioning. 1 Introduction The L i SS Package is a package of Fortran programs which provides an environment for the solution of partial differential equations (pdes) on general two-dimensional domains. The distinguishing and unique feature of the package is the core pde solver: it combines the use of fast, efficient multigrid algorithms with the use of block-structured grids; both serial and parallel executable versions are included in a single code. In particular, it is possible to -- execute the code on sequential mac..
Folding and unfolding characteristics of short beta strand peptides under different environmental conditions and starting configurations
We analyze the effect of different environmental conditions, sequence lengths and starting configurations on the folding and unfolding pathways of small peptides exhibiting beta turns. We use chignolin and a sequence of peptide G as examples. A variety of different analysis tools allows us to characterize the changes in the folding pathways. It is observed that different harmonic modes dominate not only for different conditions but also for different starting points. The modes remain essentially very similar but their relative importance varies. A detailed analysis from diverse viewpoints including the influence of the particular amino acid sequence, conformational aspects as well as the associated motions yields a global picture that is consistent with experimental evidence and theoretical studies published elsewhere. Patterns of modes that remain stable over a range of temperatures might serve as an additional diagnostic to identify conformations that have reliably adopted a native fold. This could aid in reconstructing the folding process of a complete protein by identifying conformationally determined regions