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Analysis of High-Risk Factors for Tuberculosis Retreatment Based on Machine Learning and Latent Class Analysis. [PDF]

open access: yesInfect Drug Resist
Du X   +8 more
europepmc   +1 more source

The divisor class group of a Quot scheme

open access: yesTbilisi Mathematical Journal, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Rafael Hernández
exaly   +4 more sources
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A Class of Intrinsic Schemes for Orthogonal Integration

SIAM Journal on Numerical Analysis, 2002
Summary: Numerical integration of ordinary differential equations (ODEs) on the orthogonal Stiefel manifold is considered. Points on this manifold are represented as \(n {\times} k\) matrices with orthonormal columns, of particular interest is the case when \(n\gg k\). Mainly two requirements are imposed on the integration schemes.
Elena Celledoni, Brynjulf Owren
openaire   +2 more sources

A Class of Multirate Multiderivative Schemes

Journal of Scientific Computing
In this work, we treat the numerical resolution of ordinary differential equations (ODEs) that contain both stiff and non-stiff terms, where these terms can be identified and separated, and where the stiff terms are ’easier’ to evaluate than the non-stiff terms. In [Wensch, Knoth, Galant, BIT Numer Math 49 (2009), pp.
Jochen Schütz   +3 more
openaire   +1 more source

On the security of a class of image encryption schemes

2008 IEEE International Symposium on Circuits and Systems, 2008
Recently four chaos-based image encryption schemes were proposed. Essentially, the four schemes can be classified into one, which is composed of two basic parts: permutation of positions and diffusion of pixel values with the same cipher-text feedback function.
Chengqing Li, Guanrong Chen
openaire   +2 more sources

Symmetric Association Schemes of Class 2

Graphs and Combinatorics, 1993
Research problem posed by H. Iwane.
openaire   +1 more source

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