Results 101 to 110 of about 12,066,635 (273)

Quasi-steady state and singular perturbation reduction for reaction networks with non-interacting species [PDF]

open access: yesarXiv, 2019
Quasi-steady state (QSS) reduction is a commonly used method to lower the dimension of a differential equation model of a chemical reaction network. From a mathematical perspective, QSS reduction is generally interpreted as a special type of singular perturbation reduction, but in many instances the correspondence is not worked out rigorously, and the ...
arxiv  

The Geometry of Niggli Reduction II: BGAOL -- Embedding Niggli Reduction [PDF]

open access: yes, 2013
Niggli reduction can be viewed as a series of operations in a six-dimensional space derived from the metric tensor. An implicit embedding of the space of Niggli-reduced cells in a higher dimensional space to facilitate calculation of distances between ...
Andrews, Lawrence C.   +1 more
core  

Controlling Quantum State Reduction

open access: yes, 1998
Every measurement leaves the object in a family of states indexed by the possible outcomes. This family, called the posterior states, is usually a family of the eigenstates of the measured observable, but it can be an arbitrary family of states by ...
Bencheikh   +27 more
core   +1 more source

Seismic Evaluation of a Multitower Connected Building by Using Three Software Programs with Experimental Verification

open access: yesShock and Vibration, 2016
Shanghai International Design Center (SHIDC) is a hybrid structure of steel frame and reinforced concrete core tube (SF-RCC). It is a building of unequal height two-tower system and the story lateral stiffness of two towers is different, which may result
Deyuan Zhou   +3 more
doaj   +1 more source

Automatic Generation of Optimal Reductions of Distributions [PDF]

open access: yesarXiv, 2018
A reduction of a source distribution is a collection of smaller sized distributions that are collectively equivalent to the source distribution with respect to the property of decomposability. That is, an arbitrary language is decomposable with respect to the source distribution if and only if it is decomposable with respect to each smaller sized ...
arxiv  

Optimal reduction

open access: yes, 2002
We generalize various symplectic reduction techniques to the context of the optimal momentum map. Our approach allows the construction of symplectic point and orbit reduced spaces purely within the Poisson category under hypotheses that do not ...
Ortega, Juan-Pablo
core   +1 more source

Nonuniform Reductions and NP-Completeness [PDF]

open access: yesarXiv, 2018
Nonuniformity is a central concept in computational complexity with powerful connections to circuit complexity and randomness. Nonuniform reductions have been used to study the isomorphism conjecture for NP and completeness for larger complexity classes.
arxiv  

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