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A Consistent Discrete Version of a Nonautonomous SIRVS Model

Discrete Dynamics in Nature and Society, 2018
A family of discrete nonautonomous SIRVS models with general incidence is obtained from a continuous family of models by applying Mickens nonstandard discretization method.
Joaquim Mateus, César M. Silva, S. Vaz
doaj   +1 more source

Nonstandard Work and Child Care Choices of Married Mothers [PDF]

The focus of this paper is to examine the interplay between nonstandard employment and child care choice decisions of married mothers with young children.
Jean Kimmel, Lisa Powell
core   +1 more source

Hyperordinals and Nonstandard α-Models [PDF]

, 2017
In this paper we extend the traditional set-theoretic notion of standard models and nonstandard models going up to α levels in the cumulative hierarchy, α any given limit ordinal. A proof of the representation theorem is given and the structure of nonstandard models is studied where the ”transfer principle” holds for every (not necessarily bounded ...
openaire   +1 more source

Disparities in the utilisation of preventive health services by the employment status: An analysis of 2007-2012 South Korean national survey.

PLoS ONE, 2018
ObjectivesThis study aims to investigate the differences in the utilisation of preventive health services among standard, nonstandard workers, the self-employed, and unpaid family workers.MethodsWe used the 4th and 5th Korea National Health and Nutrition
SangJune Kim, Jee Hey Song, Yoo Min Oh, Sang Min Park   +3 more
doaj   +1 more source

Nonstandard Foundations of Equilibrium Search Models [PDF]

We develop an equilibrium sequential search model which includes most of the literature as special cases. In particular, the model can accommodate heterogeneity in buyers’ search costs and demand functions and firms’ cost functions, with general demand ...
Michael T. Rauh
core  

Digital improvements in the design and construction process of classical Chinese garden rockeries: a study based on material digitization

Heritage Science
Rockeries have a complex and significant role in classical Chinese garden designs. They present distinct artistic characteristics and spatial hierarchies and are crucial to garden heritage conservation.
Zhe Wang, Penghao Song, Qingping Zhang, Tianheng Wei, Ben Pan   +4 more
doaj   +1 more source

Nonstandard model categories and homotopy theory

, 2008
15 ...
Brünjes, Lars, Serpé, Christian
openaire   +2 more sources

Computational Tools for Cohomology of Toric Varieties

Advances in High Energy Physics, 2011
Novel nonstandard techniques for the computation of cohomology classes on toric varieties are summarized. After an introduction of the basic definitions and properties of toric geometry, we discuss a specific computational algorithm for the determination
Ralph Blumenhagen, Benjamin Jurke, Thorsten Rahn   +2 more
doaj   +1 more source

A Positivity-Preserving Numerical Scheme for Nonlinear Option Pricing Models

Journal of Applied Mathematics, 2012
A positivity-preserving numerical method for nonlinear Black-Scholes models is developed in this paper. The numerical method is based on a nonstandard approximation of the second partial derivative.
Shengwu Zhou, Wei Li, Yu Wei, Cui Wen
doaj   +1 more source

Conformal covariance in 2d conformal and integrable models, in W-algebras and in their supersymmetric extensions

, 1999
Conformal symmetry underlies the mathematical description of various two-dimensional integrable models (e.g. for their Lax representation, Poisson algebra, zero curvature representation,...) or of conformal models (for the anomalous Ward identities ...
Gieres, Francois
core   +1 more source