Klaus Schilling – författare
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17 produkter
17 produkter
Häftad, Tyska, 2023
591 kr
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240 kr
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Häftad, Tyska
240 kr
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Häftad, Tyska
240 kr
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Häftad, Tyska
380 kr
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640 kr
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Häftad, Tyska
419 kr
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419 kr
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Häftad, Tyska
257 kr
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Häftad, Tyska, 2022
413 kr
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Häftad, Tyska, 2022
419 kr
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Häftad, Tyska, 2023
419 kr
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Häftad, Tyska
548 kr
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640 kr
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1 084 kr
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The book with contributions from the joint interdisciplinary workshop covers important numerical bottleneck problems from lattice quantum chromodynamics: 1) The computation of Green's functions from huge sparse linear systems and the determination of flavor-singlet observables by stochastic estimates of matrix traces can both profit from novel preconditioning techniques and algebraic multi-level algorithms. 2) The exciting overlap fermion formulation requires the solution of linear systems including a matrix sign function, an extremely demanding numerical task that is tackled by Lanczos/projection methods. 3) Realistic simulations of QCD must include three light dynamical quark flavors with non-degenerate masses. Algorithms using polynomial approximations of the matrix determinant can deal with this situation. The volume aims at stimulating synergism and creating new links between lattice quantum and numerical analysis.
E-bok
PDF, Engelska, 20121 416 kr
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Lattice gauge theory is a fairly young research area in Theoretical Particle Physics. It is of great promise as it offers the framework for an ab-initio treatment of the nonperturbative features of strong interactions. Ever since its adolescence the simulation of quantum chromodynamics has attracted the interest of numerical analysts and there is growing interdisciplinary engage ment between theoretical physicists and applied mathematicians to meet the grand challenges of this approach. This volume contains contributions of the interdisciplinary workshop "Nu merical Challenges in Lattice Quantum Chromo dynamics" that the Institute of Applied Computer Science (IAI) at Wuppertal University together with the Von-Neumann-Institute-for-Computing (NIC) organized in August 1999. The purpose of the workshop was to offer a platform for the exchange of key ideas between lattice QCD and numerical analysis communities. In this spirit leading experts from both fields have put emphasis to transcend the barriers between the disciplines. The meetings was focused on the following numerical bottleneck problems: A standard topic from the infancy of lattice QCD is the computation of Green''s functions, the inverse of the Dirac operator. One has to solve huge sparse linear systems in the limit of small quark masses, corresponding to high condition numbers of the Dirac matrix. Closely related is the determination of flavor-singlet observables which came into focus during the last years.
Inbunden, Engelska, 1992
1 302 kr
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The aim of these proceedings is to help disseminate the knowledge about the potential of parallel computing. The contents give an overview of various European sites pioneering the Connection Machine and convey a flavour of the different applications that run efficiently on this parallel architecture.