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Topic Area: Math
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Displaying records 51 to 60 of 235 records.
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51. Bochner Subordination, Logarithmic Diffusion Equations, and Blind Deconvolution of Hubble Space Telescope Imagery and Other Scientific Data
Topic: Math
Published: 11/30/2010
Author: Alfred S Carasso
Abstract: Generalized Linnik processes and associated logarithmic diffusion equations can be constructed by appropriate Bochner randomization of the time variable in Brownian motion and the related heat conduction equation. Remarkably, generalized Linnik char ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903667

52. Bochner Subordination, Logarithmic Diffusion Equations, and Blind Deconvolution of Hubble Space Telescope Imagery and Other Scientific Data
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7632
Topic: Math
Published: 9/23/2009
Author: Alfred S Carasso
Abstract: Generalized Linnik processes and associated logarithmic diffusion equations can be constructed by appropriate Bochner randomization of the time variable in Brownian motion and the related heat conduction equation. Remarkably, generalized Linnik char ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903869

53. Boundary/Contour Fitted Grid Generation for Effective Visualizations in a Digital Library of Mathematical Functions
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7228
Topic: Math
Published: 9/1/2005
Authors: Bonita V Saunders, Qiming Wang
Abstract: Effective visualizations can help researchers obtain a more complete understanding of high-level mathematical functions that arise in mathematics, statistics, physics, fluid dynamics and other fields of the mathematical and physical sciences. Accord ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150023

54. Calibrating Image Roughness by Estimating Lipschitz Exponents, with Applications to Image Restoration
Topic: Math
Published: 3/3/2008
Author: Alfred S Carasso
Abstract: Most commonly occurring images f(x,y) are not smoothly differentiable functions of the variables x and y. Rather, these images display edges, localized sharp features, and other significant fine scale details or texture. Correct characterization and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51213

55. Changes
Topic: Math
Published: 1/3/2011
Author: Isabel M Beichl
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907604

56. Channel Coding for Code Excited Linear Prediction (CELP) Encoded Speech in Mobile Radio Applications
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5503
Topic: Math
Published: 8/1/1994
Authors: Ehud Bracha, Nariman Farvardin, Y Yesha
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900731

57. Character sums determined by low degree isogenies of elliptic curves
Topic: Math
Published: 7/25/2013
Authors: Dustin Moody, Christopher Rasmussen
Abstract: We look at certain character sums determined by isogenies on elliptic curves over finite fields. We prove a congruence condition for character sums attached to arbitrary cyclic isogenies, and produce explicit formulas for isogenies of degree m <= 8.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909562

58. Class Numbers via 3-Isogenies and Elliptic Surfaces
Topic: Math
Published: 11/6/2012
Authors: Cam McLeman, Dustin Moody
Abstract: We show that a character sum attached to a family of 3-isogenies defi ned on the fibers of a certain elliptic surface over Fp relates to the class number of the quadratic imaginary number field Q(\sqrt{p}). In this sense, this provides a higher-d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911885

59. Classical and Bayesian Interpretation of the Birge Test of Consistency and Its Generalized Version in Interlaboratory Evaluations
Topic: Math
Published: 4/10/2008
Authors: Raghu N Kacker, Alistair Forbes, Ruediger Kessel, K D Sommer
Abstract: The results from an interlaboratory evaluation are said to be consistent if their dispersion is not more than what can reasonably be attributed to their stated variances. A well known test of consistency in interlaboratory evaluations is the Birge te ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51220

60. Coefficient of Contribution to the Combined Standard Uncertainty
Topic: Math
Published: 1/1/2006
Authors: Raghu N Kacker, Rudiger Kessel, Michael Berglund
Abstract: The International Organization for Standardization (ISO) Guide to the Expression of Uncertainty in Measurement (GUM) describes a generic procedure for determining an estimate for the measurand and its associated combined standard uncertainty from the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150398



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