A note on a standard family of twist mappings

2004 ◽  
Vol 5 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Salvador Addas-Zanata
Keyword(s):  
Standard Family ◽  
Twist Mappings

On the Relationship between Alonso's Theory of Movement and Wilson's Family of Spatial-Interaction Models

1981 ◽  
Vol 13 (2) ◽  
pp. 217-224 ◽  
Author(s):  
J Ledent
Keyword(s):  
Input Data ◽  
Spatial Interaction ◽  
System Of Equations ◽  
Interaction Models ◽  
Spatial Interaction Models ◽  
Standard Family ◽  
Original Contribution ◽  
Standard Models ◽  
The Relationship

This paper compares the system of equations underlying Alonso's theory of movement with that of Wilson's standard family of spatial-interaction models. It is shown that the Alonso model is equivalent to one of Wilson's four standard models depending on the assumption at the outset about which of the total outflows and/or inflows are known. This result turns out to supersede earlier findings—inconsistent only in appearance—which were derived independently by Wilson and Ledent. In addition to this, an original contribution of this paper—obtained as a byproduct of the process leading to the aforementioned result—is to provide an exact methodology permitting one to solve the Alonso model for each possible choice of the input data.

Data Acquisition from Light-Duty Vehicles Using OBD and CAN

10.4271/r-458 ◽  
2018 ◽  
Author(s):  
Eric Walter ◽  
◽  
Richard Walter ◽  
Keyword(s):  
Data Acquisition ◽  
Accident Reconstruction ◽  
Intermittent Faults ◽  
Light Duty ◽  
Control Units ◽  
Standard Family ◽  
Engineering Parameters ◽  
Light Duty Vehicles ◽  
Share Information ◽  
Vehicle Network

Modern vehicles have multiple electronic control units (ECU) to control various subsystems such as the engine, brakes, steering, air conditioning, and infotainment. These ECUs are networked together to share information directly with each other. This in-vehicle network provides a data opportunity for improved maintenance, fleet management, warranty and legal issues, reliability, and accident reconstruction. Data Acquisition from Light-Duty Vehicles Using OBD and CAN is a guide for the reader on how to acquire and correctly interpret data from the in-vehicle network of light-duty (LD) vehicles. The reader will learn how to determine what data is available on the vehicle's network, acquire messages and convert them to scaled engineering parameters, apply more than 25 applicable standards, and understand 15 important test modes. Topics featured in this book include: • Calculated fuel economy • Duty cycle analysis • Capturing intermittent faults Written by two specialists in this field, Richard P. Walter and Eric P. Walter of HEM Data, the book provides a unique roadmap for the data acquisition user. The authors give a clear and concise description of the CAN protocol plus a review of all 19 parts of the SAE International J1939 standard family. Data Acquisition from Light-Duty Vehicles Using OBD and CAN is a must-have reference for product engineers, service technicians fleet managers and all interested in acquiring data effectively from the light-duty vehicles.

scholarly journals Reducing risk factors in overweight adult users of the family health strategy of the Distrito Federal

2013 ◽  
Vol 26 (6) ◽  
pp. 659-668 ◽  
Author(s):  
Caroline Romeiro ◽  
Júlia Aparecida Devidé Nogueira ◽  
Eliane Said Dutra ◽  
Kênia Mara Baiocchi de Carvalho
Keyword(s):  
Waist Circumference ◽  
Fasting Blood Glucose ◽  
Family Health ◽  
Lifestyle Changes ◽  
Control Group ◽  
Standard Family ◽  
Health Strategy ◽  
The Family ◽  
Family Health Strategy ◽  
Distrito Federal

OBJECTIVE: To evaluate the results of a multidisciplinary program to promote healthy habits on anthropometric and biochemical parameters on participants of the Family Health Strategy of the Distrito Federal. METHODS: The sample consisted of 279 overweight and obese adults of both sexes divided into two groups: intervention (IG, n=198) and control group (CG, n=89). The IG received standard Family Health Strategy care plus a multidisciplinary health promoting program that included dietary interventions and physical activity, called Set Waist Program. The control group received only standard ESF care. Data were collected at baseline and after 4 and 8 months of follow up. Body mass index, waist circumference, fasting blood glucose and lipid profile were assessed. RESULTS: Prevalence of obesity (63.3% to 49.4%, p=0.027) and waist circumference (102.2cm to 94.8cm, p<0.0001) were significantly reduced in IG. Total cholesterol, LDL and HDL-cholesterol were reduced in both groups. CONCLUSION: Reductions in anthropometric measures were maximized through simple interventions that stimulated lifestyle changes. These results suggest that multidisciplinary initiatives such the Set Waist Program can be incorporated into other Family Health Strategy teams to optimize the control of obesity and health promotion. Participant compliance is an issue that deserves further investigation.

scholarly journals Ever more parents in polyamorous families: A new materialist typology of parenting practices and division of work

Sexualities ◽  
2021 ◽  
pp. 136346072110374
Author(s):  
Cornelia Schadler
Keyword(s):  
Gender Roles ◽  
Parenting Practices ◽  
Qualitative Interviews ◽  
Gender Norms ◽  
Care Work ◽  
Family Structures ◽  
Traditional Family ◽  
Standard Family ◽  
And Gender ◽  
Family Models

An analysis of parents that are a part of polyamorous networks—networks of three, four, or even more residential or highly available parents—shows three types of parenting practices: poly-nuclear, hierarchical, and egalitarian parenting. Especially, the hierarchical and egalitarian parenting practices show novel divisions of care work and a transgression of gender norms. However, in-depth new materialist analysis of qualitative interviews also shows how parents are, in specific situations, pushed toward standard family models and thus unintentionally maintain traditional family structures and gender roles.

LIMITING DYNAMICS FOR THE COMPLEX STANDARD FAMILY

1995 ◽  
Vol 05 (03) ◽  
pp. 673-699 ◽  
Author(s):  
NÚRIA FAGELLA
Keyword(s):  
Cross Sections ◽  
Julia Set ◽  
Three Dimensional ◽  
Mandelbrot Set ◽  
Dimensional Parameter ◽  
Quadratic Polynomials ◽  
New Family ◽  
Standard Family ◽  
The Family ◽  
Characteristic Features

The complexification of the standard family of circle maps Fαβ(θ)=θ+α+β+β sin(θ) mod (2π) is given by Fαβ(ω)=ωeiαe(β/2)(ω−1/ω) and its lift fαβ(z)=z+a+β sin(z). We investigate the three-dimensional parameter space for Fαβ that results from considering a complex and β real. In particular, we study the two-dimensional cross-sections β=constant as β tends to zero. As the functions tend to the rigid rotation Fα,0, their dynamics tend to the dynamics of the family Gλ(z)=λzez where λ=e−iα. This new family exhibits behavior typical of the exponential family together with characteristic features of quadratic polynomials. For example, we show that the λ-plane contains infinitely many curves for which the Julia set of the corresponding maps is the whole plane. We also prove the existence of infinitely many sets of λ values homeomorphic to the Mandelbrot set.

Arnold Disks and the Moduli of Herman Rings of the Complex Standard Family

2009 ◽  
pp. 161-182
Author(s):  
Núria Fagella ◽  
Christian Henriksen
Keyword(s):  
Standard Family
Sign in / Sign up

Export Citation Format

Share Document