Selection of order of observation in optimal stopping problems

1985 ◽  
Vol 22 (1) ◽  
pp. 177-184 ◽  
Author(s):  
Theodore P. Hill ◽  
Arie Hordijk
Keyword(s):  
Optimal Stopping ◽  
Random Variables ◽  
Stopping Rule ◽  
The Other ◽  
Other Hand ◽  
General Rules ◽  
Optimal Stopping Problems ◽  
Optimal Ordering ◽  
Uniformly Bounded ◽  
Selection Of

In optimal stopping problems in which the player is free to choose the order of observation of the random variables as well as the stopping rule, it is shown that in general there is no function of all the moments of individual integrable random variables, nor any function of the first n moments of uniformly bounded random variables, which can determine the optimal ordering. On the other hand, several fairly general rules for identification of the optimal ordering based on individual distributions are given, and applications are made to several special classes of distributions.

Selection of order of observation in optimal stopping problems

1985 ◽  
Vol 22 (01) ◽  
pp. 177-184 ◽  
Author(s):  
Theodore P. Hill ◽  
Arie Hordijk
Keyword(s):  
Optimal Stopping ◽  
Random Variables ◽  
Stopping Rule ◽  
The Other ◽  
Other Hand ◽  
General Rules ◽  
Optimal Stopping Problems ◽  
Optimal Ordering ◽  
Uniformly Bounded ◽  
Selection Of

In optimal stopping problems in which the player is free to choose the order of observation of the random variables as well as the stopping rule, it is shown that in general there is no function of all the moments of individual integrable random variables, nor any function of the first n moments of uniformly bounded random variables, which can determine the optimal ordering. On the other hand, several fairly general rules for identification of the optimal ordering based on individual distributions are given, and applications are made to several special classes of distributions.

On the best order of observation in optimal stopping problems

1987 ◽  
Vol 24 (3) ◽  
pp. 773-778 ◽  
Author(s):  
David Gilat
Keyword(s):  
Optimal Stopping ◽  
Random Variables ◽  
Stopping Rule ◽  
Similar Nature ◽  
Optimal Stopping Problems

For optimal stopping problems in which the player is allowed to choose the order of the random variables as well as the stopping rule, a notion of order equivalence is introduced. It is shown that different (non-degenerate) distributions cannot be order-equivalent.This result unifies and generalizes two theorems of a similar nature recently obtained by Hill and Hordijk (1985).

On the best order of observation in optimal stopping problems

1987 ◽  
Vol 24 (03) ◽  
pp. 773-778 ◽  
Author(s):  
David Gilat
Keyword(s):  
Optimal Stopping ◽  
Random Variables ◽  
Stopping Rule ◽  
Similar Nature ◽  
Optimal Stopping Problems

For optimal stopping problems in which the player is allowed to choose the order of the random variables as well as the stopping rule, a notion of order equivalence is introduced. It is shown that different (non-degenerate) distributions cannot be order-equivalent. This result unifies and generalizes two theorems of a similar nature recently obtained by Hill and Hordijk (1985).

KINETIC INDICATORS OF TRAINING METHODS AND SELECTION OF YOUNG ROWERS

sportlogia ◽  
2021 ◽  
Vol 17 (1) ◽  
pp. 13-24
Author(s):  
Željko M. Rajković ◽  
◽  
Darko N. Mitrović ◽  
Vladimir K. Miletić ◽  
Petar M. Spaić ◽  
...  
Keyword(s):  
Average Power ◽  
The Other ◽  
Training Methods ◽  
Average Force ◽  
Other Hand ◽  
The World ◽  
Strict Selection ◽  
Selection Of

Modern diagnostics in rowing enables more and more possibilities for recording, and comparing numerous stroke variables. At the same time, many coaches fall into the trap of strict respect for the prescribed norms, ratios, and temporarily results, which the athlete must achieve if he wants to stay in the world of competitive rowing. On the example of the comparison of rowing schools RC "Danubius" and RC "Partizan", descriptive indicators are on the side of RC "Danubius" at a time of 2000m, average force and average power. No significant differences were found in average force (sig = 0,167) between rowers of RC "Danubius" and RC "Partizan", while statistically significant differences were recorded in time at 2000m (sig = 0,036) and power (sig = 0,02) in favor of rowers of RC “Danubius”. On the other hand, a higher correlation of average force (-0,955) and power (-0,928) with time on 2000m was achieved by RC "Partizan" than RC "Danubius" (-0,931) and (-0,896). The correlation between the average force, and the average power within one team shows a higher correlation for RC “Partizan" (0,95) compared to RC "Danubius" (0,755). The obtained results are not enough for single rower or crew elimination from competition to recreational section in the process of too frequent and strict selection of rowers, considering different possible ways of building rowing techniques and numerous parasitic factors that may affect measured variables, specialy at the age under 14 and novice rowers in general.

scholarly journals The relationship between body weight and exterior measurements in domestic ostriches during the first four months after hatching

2007 ◽  
Vol 23 (1-2) ◽  
pp. 13-20
Author(s):  
Andrey Kurtenkov
Keyword(s):  
Body Weight ◽  
Detailed Analysis ◽  
The Body ◽  
The Other ◽  
Phenotypic Correlation ◽  
Other Hand ◽  
The One ◽  
The Relationship ◽  
Selection Of

It is related leg problems to the realization of the necessity of doing a detailed analysis of the phenotype correlations between body weight and exterior measurements. As a result of the study, lower coefficients have been obtained of the correlation between the girth of the tarso metatarsus on one hand, and the body weight and the girth behind the wings, on the other hand (respectively 0.563 and 0.608), compared with the one between the body weight and the girth behind the wings (0.898). It is advisable in the selection of ostriches to take into consideration the necessity of a higher phenotypic correlation between the girth of the tarso metatarsus on the one hand, and the body weight and the girth behind the wings on the other hand, with a view to preventing leg problems.

scholarly journals El poder subversivo de la fábula en sus diversas manifestaciones diacrónicas

2015 ◽  
pp. 153
Author(s):  
Gordana Matic
Keyword(s):  
Key Words ◽  
19Th Century ◽  
The Other ◽  
Critical Aspect ◽  
Other Hand ◽  
Palabras Clave ◽  
Moral Aspect ◽  
Definition Of ◽  
Historical Periods ◽  
Selection Of

<div class="WordSection1"><p><strong>Resumen</strong></p><p>La fábula ha tenido desde siempre una función retórica e ilustrativa que se ha manifestado a lo largo de la historia de modo dual: mostraba para enseñar, lo que muchas veces implicaba el componente moralizador, o para criticar. Mientras se empeñaba en conseguir una de las dos intencionalidades, o las dos simultáneamente, ha podido ser revestida de un tono humorístico, burlón, irónico o sarcástico. Partiendo de las observaciones sobre el género de Fedro, Rodríguez Adrados o Mireya Camurati, en este trabajo nos proponemos analizar una selección de fábulas clásicas, medievales, dieciochescas y decimonónicas, para demostrar que el aspecto crítico e incluso subversivo del género se mantiene abiertamente activo aun en las épocas en las que se potencia su intención didáctico-moralizante.</p><p>Palabras clave: fábula, definiciones del género, estudio diacrónico, aspecto crítico, aspecto didáctico-moralizante</p><p> </p><p><strong>Abstract</strong></p><p>The fable has always had a rhetoric and illustrative function that manifested itself during its long history in two different ways: on one hand, it represented an example in order to teach, which usually implied the moral component, or on the other hand, to criticize. While it strived to achieve one of these intentions, or sometimes both simultaneously, it could have been written in a humorous, mocking, ironic or sarcastic tone. In this paper, we analyze a selection of classical and medieval, 18th and 19th century fables written in Spanish, with definitions proposed by Phaedrus, Rodríguez Adrados and Mireya Camurati as starting points, in order to show that the critical aspect of this genre was openly maintained and taken benefit of even in the historical periods when its didactic and moralizing intention was preferred and strongly emphasized.</p></div><p>Key words: fable, definition of genre, diachronic approach, critical aspect, didactic and moral aspect</p><p> </p>

Access Network Selection in a 4G Environment

2014 ◽  
pp. 325-344
Author(s):  
Vasuky Mohanan ◽  
Rahmat Budiarto ◽  
Sivakumar Ramakrishnan
Keyword(s):  
Access Network ◽  
Mobile Node ◽  
The Other ◽  
Network Selection ◽  
Mobile Nodes ◽  
Selection Problems ◽  
4G Networks ◽  
Other Hand ◽  
Access Network Selection ◽  
Selection Of

4G networks provide bandwidth of up to 1Gbps for a Mobile Node (MN) that is moving at pedestrian speed. On the other hand, it also supports mobile nodes that can move at a speed of 250 km/hr with bandwidths value of 100 Mbps. This sets the premise of a network that supports diverse needs. This goal will be harder to achieve if Network Selection Problems (NSP) are not addressed comprehensively. NSP refers to the selection of target access network selection from a collection of Candidate Networks (CNs) when MNs are moving from one access network into another. The most logical way of achieving this is to select the “best” network. This translates to identifying performance values of the CNs. The analysis in this chapter shows clearly that access network selection done based on limited criteria is detrimental in achieving optimum communication. Instead, this chapter suggests a framework that would be complementary to a 4G network.

Reconsidering Essentials of Organization Development

2019 ◽  
pp. 52-75
Author(s):  
Wouter ten Have ◽  
Ernst Graamans ◽  
Steven ten Have
Keyword(s):  
Organization Development ◽  
Scientific Literature ◽  
The Other ◽  
Other Hand ◽  
Selection Of

This chapter presents the findings of two closely related studies about a selection of premises on which some organization development (OD) practices are based. In the first study, 18 taken-for-granted assumptions have been held against the scientific literature using rapid evidence assessment (REA) as a method. In light of the available evidence, some of these assumptions proved to be untenable. In a second study, practitioners were confronted with these assumptions and fed back the assessments. These studies, combined together, show that practitioners are often not aware of scientific findings relevant to their field. On the other hand, despite all the reseach that has been done and published, the scientific literature often does not provide satisfactory and conclusive answers to the questions practitioners grapple with.

Energy Center Selection in G7 Industry With Fuzzy MOORA

2021 ◽  
pp. 87-106
Author(s):  
Serhat Yüksel ◽  
Alexey Mikhaylov ◽  
Lyubov Khomyakova
Keyword(s):  
The Other ◽  
G7 Countries ◽  
Market Risks ◽  
Investment Demand ◽  
Other Hand ◽  
Energy Center ◽  
Energy Companies ◽  
Moora Method ◽  
Fuzzy Moora ◽  
Selection Of

In this study, energy center selection of G7 countries is examined. In this context, firstly, the studies in the literature have been evaluated in detail, and seven different criteria have been determined which may affect this selection. Taking these seven different criteria into consideration, G7 countries are ranked by fuzzy MOORA method according to energy center selection performance. According to the results, Japan and Germany are the most successful countries. On the other hand, it was concluded that France and Italy ranked last in terms of energy center selection performance. Hence, especially the countries in the last rankings should be more careful in selecting energy center. In this framework, the customer potential, the training profiles of the customers, the potential of the company with investment demand, the previous payment performance of these companies, and the market risks should be considered by the energy companies while opening new branches.

Limit theorems for suprema, threshold-stopped random variables and last exits of i.i.d. random variables with costs and discounting, with applications to optimal stopping

1992 ◽  
Vol 24 (02) ◽  
pp. 241-266
Author(s):  
Douglas P. Kennedy ◽  
Robert P. Kertz
Keyword(s):  
Optimal Stopping ◽  
Limit Theorems ◽  
Continuous Mapping ◽  
Random Variables ◽  
Exit Times ◽  
Convergence Results ◽  
Process Convergence ◽  
Optimal Stopping Problems ◽  
The Cost ◽  
Linear Cost

For linear-cost-adjusted and geometric-discounted infinite sequences of i.i.d. random variables, point process convergence results are proved as the cost or discounting effect diminishes. These process convergence results are combined with continuous-mapping principles to obtain results on joint convergence of suprema and threshold-stopped random variables, and last-exit times and locations. Applications are made to several classical optimal stopping problems in these settings.

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