نتایج جستجو برای: symmetric uncertainty

تعداد نتایج: 202279  

2007
Jesús Medina Manuel Ojeda-Aciego Jorge Ruiz-Calviño

Generalized concept lattices have been recently proposed to deal with uncertainty or incomplete information as a non-symmetric generalization of the theory of fuzzy formal concept analysis. On the other hand, concept lattices have been defined as well in the framework of fuzzy logics with noncommutative conjunctors. The contribution of this paper is to prove that any concept lattice for non-com...

Journal: :The Review of scientific instruments 2012
E Parke D J Den Hartog L A Morton H D Stephens C P Kasten J A Reusch W H Harris M T Borchardt A F Falkowski N C Hurst A Plunkett J Goglio

Calibration of the Madison Symmetric Torus Thomson scattering system has been refined to improve temperature fluctuation measurements. Multiple avalanche photodiodes have been directly calibrated for use as reference detectors during calibration, improving accuracy and ease of use. From the absolute calibration we calculate corrections to the gain for variation in detector operating temperature...

2008
Rob Dellink Michael Finus Niels Olieman

Results derived from empirical analyses on the stability of climate coalitions are usually very sensitive to the large uncertainties associated with the benefits and costs of climate policies. This paper provides the methodology of Stability Likelihood (SL) that links uncertainties about benefits and costs of climate change to the stability of coalitions. We show that the concept of SL improves...

Journal: :Entropy 2014
Junichi Ishikawa Kazuma Takara Hiroshi-H. Hasegawa Dean J. Driebe

An efficient periodic operation to obtain the maximum work from a nonequilibrium initial state in an N–level quantum system is shown. Each cycle consists of a stabilization process followed by an isentropic restoration process. The instantaneous time limit can be taken in the stabilization process from the nonequilibrium initial state to a stable passive state. In the restoration process that p...

2008
Cees Diks Valentyn Panchenko Dick van Dijk

We introduce a statistical test for comparing the predictive accuracy of competing copula specifications in multivariate density forecasts, based on the Kullback-Leibler Information Criterion (KLIC). The test is valid under general conditions: in particular it allows for parameter estimation uncertainty and for the copulas to be nested or nonnested. Monte Carlo simulations demonstrate that the ...

A. KHANMIRZAIE M. MOSLEH M. OTADI,

In this paper, we investigate the existence of a positive solution of fully fuzzy linear equation systems. This paper mainly to discuss a new decomposition of a nonsingular fuzzy matrix, the symmetric times triangular (ST) decomposition. By this decomposition, every nonsingular fuzzy matrix can be represented as a product of a fuzzy symmetric matrix S and a fuzzy triangular matrix T.

K. Verma, Geeta, T. R. Gulati,

In this paper, we establish weak and strong duality theorems for a pair of multiobjective symmetric dual problems. This removes several omissions in the paper "Symmetric and self duality in vector optimization problem, Applied Mathematics and Computation 183 (2006) 1121-1126".

2008
Ángel Rivas Alfredo Luis

We elaborate on a Hilbert-Schmidt distance measure assessing the intrinsic metrological accuracy in the detection of signals imprinted on quantum probe states by signal-dependent transformations. For small signals this leads to a probe-transformation measure Λ fully symmetric on the probe ρ and the generator G of the transformation Λ(ρ,G) = Λ(G, ρ). Although Λ can be regarded as a generalizatio...

2008
Murray Gerstenhaber

Deformation quantization produces families of mathematically equivalent quantization procedures from which one must select the physically meaningful ones. As a selection principle we propose that the procedure must allow enough ‘observable’ energy distributions, i.e., ones for which no pure quantum state will appear with negative probability and must further have the property that for these the...

Journal: :SIAM J. Scientific Computing 2015
Jingwei Hu Shi Jin Dongbin Xiu

We develop a class of stochastic numerical schemes for Hamilton-Jacobi equations with random inputs in initial data and/or the Hamiltonians. Since the gradient of the HamiltonJacobi equations gives a symmetric hyperbolic system, we utilize the generalized polynomial chaos (gPC) expansion with stochastic Galerkin procedure in random space and the JinXin relaxation approximation in physical space...

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