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Topic Area: Modeling
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Displaying records 61 to 70 of 147 records.
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61. Fourier and Gegenbauer expansions for a fundamental solution of the Laplacian in the hyperboloid model of hyperbolic geometry
Topic: Modeling
Published: 3/23/2012
Authors: Howard S Cohl, Ernie G. Kalnins
Abstract: Due to the isotropy of d-dimensional hyperbolic space, there exists a spherically symmetric fundamental solution for its corresponding Laplace-Beltrami operator. The R-radius hyperboloid model of hyperbolic geometry with R > 0 represents a Riemannian ...

62. Light a Single Candle: Studying Supernovae
Topic: Modeling
Published: 3/1/2012
Authors: Dianne M O'Leary, Bert W Rust
Abstract: At peak luminosity, Type Ia supernovae can be even brighter than their parent galaxies, and their light curves display a very uniform and regular behavior. This makes them excellent candidates for a role as standard candles in measuring the distance ...

63. TABLE ERRATA for Magnus, Oberhettinger & Soni (1966): Formulas and Theorems for the Special Functions of Mathematical Physics
Topic: Modeling
Published: 2/16/2012
Author: Howard S Cohl
Abstract: A TABLE ERRATA is submitted concerning a formula in terms of a sum of two Gauss hypergeometric functions for Ferrers function of the second kind. This error occurs on p. 167 of Magnus, Oberhettinger & Soni (1966) Formulas and Theorems for the Special ...

64. Towards a Metric for Communication Network Vulnerability to Attacks: A Game Theoretic Approach
Topic: Modeling
Published: 2/13/2012
Authors: Assane Gueye, Vladimir V Marbukh
Abstract: In this paper, we propose a quantification of the vulnerability of a communication network when links are subject to failures due to the actions of a strategic adversary. We model the adversarial nature of the problem as a 2-player game between a net ...

65. First Variation of the General Curvature-dependent Surface Energy
Topic: Modeling
Published: 1/1/2012
Authors: Gunay Dogan, Ricardo H. Nochetto
Abstract: We consider general weighted surface energies, where the energies have the form of weighted integrals over a closed surface and the weight depends on the normal and the mean curvature of the surface. Energies of this form have applications in many ar ...

66. Predicted Energy Resolution of a Running-Sum Algorithm for Microcalorimeters
Topic: Modeling
Published: 12/1/2011
Authors: Bradley K Alpert, William Bertrand Doriese, Joseph Westbrook Fowler, Joel Nathan Ullom
Abstract: The energy resolution of a high-pulse-rate filtering algorithm recently introduced by Hui Tan et al., based on running sums of TES microcalorimeter output streams, is predicted from average pulse shape and noise autocovariance. We compare with empiri ...

67. Comparing VM-Placement Algorithms for On-Demand Clouds
Topic: Modeling
Published: 11/29/2011
Authors: Kevin L Mills, James J Filliben, Christopher E Dabrowski
Abstract: Much recent research has been devoted to investigating algorithms for allocating virtual machines (VMs) to physical machines (PMs) in infrastructure clouds. Many such algorithms address distinct problems, such as initial placement, consolidation, or ...

68. Fundamental Solution of Laplace's Equation in Hyperspherical Geometry
Topic: Modeling
Published: 11/29/2011
Author: Howard S Cohl
Abstract: Due to the isotropy of $d$-dimensional hyperspherical space, one expects there to exist a spherically symmetric fundamental solution for its corresponding Laplace-Beltrami operator. The $R$-radius hypersphere ${\mathbf S}_R^d$ with $R>0$, represents ...

69. VM Leakage and Orphan Control in Open-Source Clouds
Topic: Modeling
Published: 11/29/2011
Authors: Christopher E Dabrowski, Kevin L Mills
Abstract: Computer systems often exhibit degraded performance due to resource leakage caused by erroneous programming or malicious attacks, and computers can even crash in extreme cases of resource exhaustion. The advent of cloud computing provides increased o ...

70. In Search of Enhanced Electrolyte Materials: A Case Study of Doubly Doped Ceria
Topic: Modeling
Published: 10/28/2011
Authors: Pratik Dholabhai, James B. Adams, Peter A. Crozier, Renu Sharma
Abstract: Various compositions of gadolinium-praseodymium doubly doped ceria (GPDC) have been studied to appreciate the effect of two co-dopants in enhancing the ionic conductivity. A Kinetic Lattice Monte Carlo (KLMC) model of vacancy diffusion in GPDC has be ...

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