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Topic Area: Math

Displaying records 111 to 120 of 230 records.
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111. Extending Measurement Science to Interactive Visualization Environments
Topic: Math
Published: 1/30/2009
Authors: Judith Ellen Terrill, William L George, Terence J. Griffin, John G Hagedorn, John T. Kelso, Thomas M Olano, Adele P Peskin, Steven G Satterfield, James S Sims, Jeffrey W Bullard, Joy P Dunkers, Nicos Martys, Agnes (Abbie) O'Gallagher, Gillian Haemer
Abstract: We describe a method for creating a visual laboratory to interactively measure and analyze scientific data. We move the normal activities that scientists perform to understand their data into the visualization environment. The visualization environme ...

112. Local Bounds on Effective Hamiltonians for Stabilizer Codes
Topic: Math
Published: 1/22/2009
Authors: Stephen Bullock, Dianne M O'Leary
Abstract: This paper introduces various notion of k-locality of stabilizer codes inherited from the associated stabilizer groups. A choice of generators for the group leads to a Hamiltonian with the code in its groundspace, while a Hamiltonian holding the code ...

113. Bifurcations, Center Manifolds, and Periodic Solutions
Topic: Math
Published: 1/15/2009
Author: David E. Gilsinn
Abstract: Nonlinear time delay differential equations are well known to have arisen in models in physiology, biology, and population dynamics. They have also arisen in models of metal cutting processes. Machine tool chatter, from a process called regenerative ...

114. Begin at the beginning
Topic: Math
Published: 1/1/2009
Author: Isabel M Beichl
Abstract: No abstract

115. An Interaction-based Test Sequence Generation Approach for Testing Web Applications
Topic: Math
Published: 12/3/2008
Authors: Wenhua Wang, Sreedevi Sampath, Yu Lei, Raghu N Kacker
Abstract: Web applications often use dynamic pages that interact with each other by accessing shared objects, e.g., session objects. Interactions between dynamic pages need to be carefully tested, as they may give rise to subtle faults that cannot be detected ...

116. Quantum Simulations of Classical Annealing Processes
Topic: Math
Published: 9/26/2008
Authors: Rolando Somma, S. Boixo, Howard Barnum, Emanuel H Knill
Abstract: We describe a quantum algorithm that solves combinatorial optimization problems by quantum simulation of a classical simulated annealing process. Our algorithm exploits quantum walks and the quantum Zeno effect induced by evolution randomization. It ...

117. Bayesian Posterior Predictive p-value of Statistical Consistency in Interlaboratory Evaluations
Topic: Math
Published: 9/17/2008
Authors: Raghu N Kacker, Alistair Forbes, Ruediger Kessel, K D Sommer
Abstract: Results from an interlaboratory evaluation are said to be statistically consistent if they fit a normal (Gaussian) consistency model which postulates that the results have the same unknown expected value and stated variances and covariances. We prop ...

118. Comparison of statistical consistency and metrological consistency
Topic: Math
Published: 9/6/2008
Authors: Raghu N Kacker, Ruediger Kessel, Klaus-Dieter Sommer, Xin Bian
Abstract: The conventional concept of consistency in multiple evaluations of the same measurand is based on statistical error analysis. This concept is based on regarding the evaluations as realizations from sampling probability distributions of potential eva ...

119. Refining the In-Parameter-Order Strategy for Constructing Covering Arrrays
Series: Journal of Research (NIST JRES)
Topic: Math
Published: 9/1/2008
Authors: Michael Forbes, James F Lawrence, Yu Lei, Raghu N Kacker, David R Kuhn
Abstract: Covering arrays are structures for well-representing extremely large input spaces and are used to efficiently implement blackbox testing for software and hardware. This paper proposes refinements over the In-Parameter-Order strategy (for arbitrary $t ...

120. Grain Size Distribution in Two Dimensions in the Long Time Limit
Topic: Math
Published: 7/8/2008
Authors: Geoffrey B McFadden, C.S. Pande, K.P. Cooper
Abstract: It is shown that the inclusion of a "noise" term in the growth rate of individual grains leads to a stochastic model that provides a more realistic description of grain growth phenomenon. The resulting Fokker-Planck equation for the grain s ...

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