• Title/Summary/Keyword: ordered basis

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ISOMORPHISM CLASSES OF HYPERELLIPTIC CURVES OF GENUS 2 OVER F2n

  • Choi, Chun Soo;Rhee, Min Surp
    • Journal of the Chungcheong Mathematical Society
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    • v.15 no.2
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    • pp.1-12
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    • 2003
  • L. H. Encinas, A. J. Menezes, and J. M. Masque in [2] proposed a classification of isomorphism classes of hyperelliptic curve of genus 2 over finite fields with characteristic different from 2 and 5. Y. Choie and D. Yun in [1] obtained for the number of isomorphic classes of hyperelliptic curves of genus 2 over $F_q$ using direct counting method. In this paper we will classify the isomorphism classes of hyperelliptic curves of genus 2 over $F_{2^n}$ for odd n, represented by an equation of the form $y^2+a_5y=x^5+a_8x+a_{10}(a_5{\neq}0)$.

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Analysis of the Competitiveness of Broadband over Power Line Communication in Korea

  • Jeong, Gi-Cheol;Koh, Dae-Young;Lee, Jong-Su
    • ETRI Journal
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    • v.30 no.3
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    • pp.469-479
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    • 2008
  • This study analyzes factors affecting the competitiveness of broadband over power line communication (BPLC) and predicts demand for the service, based on quantitative information about consumer preferences drawn from a survey of Korean consumers. Findings from the estimation suggest that, although consumers value some beneficial features of BPLC, to be competitive the speed and stability of its data transmission needs to be improved. Moreover, on the basis of a market simulation, we expect BPLC to occupy only a small portion of Korea's Internet access market in the future, a finding we expect would hold true for other developed countries whose Internet access markets are already mature.

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A Study on the General Components and Minerals in Parts of Omija (Schizandra Chinensis Baillon) (오미자의 부위별 일반성분과 무기질함량에 관한 연구)

  • Lee, Joung-Sook;Lee, Mi-Gyeung;Lee, Sung-Woo
    • Journal of the Korean Society of Food Culture
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    • v.4 no.2
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    • pp.173-176
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    • 1989
  • This study was carried out to comparison of the contents of general and mineral components between the original sample and water extract in each part of omija. The content of Carbohydrate was highest in endocarps, and that the crude protein and crude lipid in seeds. The contents of K and Mn in the fruits, endocarps, and seeds were all higher than those of the other cations. The content of K and Zn in endocarps were three to four times as much as those of seeds. and the content of Na, Ca, and Cu in endocarps were 1.5 to 1.75 times of seeds. Mineral contents by water extract in each part were ordered as K, Mg, Ca, and Fe. As the percentage of each ion in water extract on the basis of original sample, Fe was the highest ratio of behavior, and Mn was lowest.

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The Effect of Team Goal-setting on Team Performance Quantity and Trend (팀 목표설정 방법이 팀 수행 양과 팀 수행 경향성에 미치는 영향에 관한 연구)

  • Jung, Zi-Young;Oah, She-Zeen
    • Proceedings of the Safety Management and Science Conference
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    • 2010.04a
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    • pp.11-16
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    • 2010
  • This study examined the relative effect of participative and assigned goal setting on team performance. Participants were 30 college students and their typing speed was tested. They were ordered on the basis of the typing speed and were divided into 15 pairs, with the members of each pair having similar typing speed. Members in each pair were randomly assigned to the two experimental conditions. Participants were asked to type materials provided by the experimenter for 20 days. The dependent variable was the number of words typed. The results showed that there was no significant difference in performance between the two conditions. The results also showed that the difference in trend between two conditions was not statistically significant.

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MAGNETIC PROPERTIES OF $FePt_{3}$ ORDERED ALLOY

  • Yoshida, H.;Fujimori, H.;Kaneko, T.;Abe, S.;Watanabe, K.;Matsumoto, M.;Yoshida, T.;Kanomata, T.
    • Journal of the Korean Magnetics Society
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    • v.5 no.5
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    • pp.362-365
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    • 1995
  • The magnetic properties for $Fe_{24}Pt_{76}\;and\;Fe_{26}Pt_{74}$ have been investigated. The temperature vs. magnetic susceptibility curve for $Fe_{24}Pt_{76}$ had no peak near the Neel temperature. The magnetization proccess at 4.2 K showed only a linear variation up to the high magnetic field of 240 kOe. That for $Fe_{26}Pt_{74}$ at 77 K showed a metamagnetic transition at 100 kOe. These properties were discussed on the basis of a band picture.

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A Study on Factors Influencing Needs for Personal Assistance Service in the Workplace for People with Severe Disabilities (중증장애인의 근로지원인서비스 욕구에 영향을 미치는 요인에 관한 연구)

  • Han, Kyung-Sung
    • Korean Journal of Social Welfare
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    • v.63 no.3
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    • pp.29-53
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    • 2011
  • This paper analyzed factors to affect needs for personal assistance service in the workplace for people with disabilities. The statistical analyses adapted in this study were the Frequency Analysis, Ordered Logit Analysis, Multiple Regression Analysis. The results of analysis are summarized as follows. First, through the Frequency Analysis many people with severe disabilities in the workplace found to have a high desire of the personal assistance service in the workplace, and factors like types of disability, the degree of disability, income basis found to include in the selection criteria of personal assistance service in the workplace. Second, through Ordered Logit Analysis and Multiple Regression Analysis factors to affect needs for personal assistance service in the workplace for people with disabilities found to include factors like residential district, age, level of education, assistance activities of family. By the results of analysis, it is suggested practical implications and policy implications.

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The Revision Guideline of Interim Measures of Protection under UNCITRAL Model Law on International Commercial Arbitration (UNCITRAL 모델중재법상 임시적 보호처분의 개정방향)

  • Lee Kang-Bin
    • Journal of Arbitration Studies
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    • v.14 no.2
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    • pp.73-106
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    • 2004
  • The UNCITRAL Arbitration Working Group began its deliberations on the topic of interim measures of protection at its thirty-second session (Vienna, 21-30 March 2000), when the Working Group expressed general support for a legal regime governing enforcement of interim measures of protection ordered by the arbitral tribunal. Also the Working Group took a preliminary analysis of whether there was a need for a uniform rule on court-ordered interim measures of protection in support of arbitration. The Working Group agreed, at its thirty-third session (Vienna, 20 November-1 December 2000), that the proposed new article to the UNCITRAL Model Law on International Commercial Arbitration on enforcement of interim measures of protection (tentatively numbered article 17 bis) should include an obligation on courts to enforce interim measures if prescribed conditions were met. At its thirty-fourth session (New York, 21 May-1 Jun 2001), in addition to continuing its review of draft article 17 bis, the Working Group proceeded to consider a text revising article 17 of the UNCITRAL Model Law, which defined the scope of an arbitral tribunal's power to order interim measures and included an additional provision on the granting of interim measures on an ex parte basis. Discussions in relation to revised drafts of article 17 and 17 bis of the UNCITRAL Model Law have continued at the fortieth session ( New York, 23-27 February 2004). Article 17 of the UNCITRAL Model Law provides that the arbitral tribunal may order any party to take such interim measure of protection as the arbitral tribunal may consider necessary in respect to the subject matter of the dispute. However it may be noted that the article does not deal with enforcement of such measures.

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Centroidal Voronoi Tessellation-Based Reduced-Order Modeling of Navier-Stokes Equations

  • 이형천
    • Proceedings of the Korean Society of Computational and Applied Mathematics Conference
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    • 2003.09a
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    • pp.1-1
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    • 2003
  • In this talk, a reduced-order modeling methodology based on centroidal Voronoi tessellations (CVT's)is introduced. CVT's are special Voronoi tessellations for which the generators of the Voronoi diagram are also the centers of mass (means) of the corresponding Voronoi cells. The discrete data sets, CVT's are closely related to the h-means clustering techniques. Even with the use of good mesh generators, discretization schemes, and solution algorithms, the computational simulation of complex, turbulent, or chaotic systems still remains a formidable endeavor. For example, typical finite element codes may require many thousands of degrees of freedom for the accurate simulation of fluid flows. The situation is even worse for optimization problems for which multiple solutions of the complex state system are usually required or in feedback control problems for which real-time solutions of the complex state system are needed. There hava been many studies devoted to the development, testing, and use of reduced-order models for complex systems such as unsteady fluid flows. The types of reduced-ordered models that we study are those attempt to determine accurate approximate solutions of a complex system using very few degrees of freedom. To do so, such models have to use basis functions that are in some way intimately connected to the problem being approximated. Once a very low-dimensional reduced basis has been determined, one can employ it to solve the complex system by applying, e.g., a Galerkin method. In general, reduced bases are globally supported so that the discrete systems are dense; however, if the reduced basis is of very low dimension, one does not care about the lack of sparsity in the discrete system. A discussion of reduced-ordering modeling for complex systems such as fluid flows is given to provide a context for the application of reduced-order bases. Then, detailed descriptions of CVT-based reduced-order bases and how they can be constructed of complex systems are given. Subsequently, some concrete incompressible flow examples are used to illustrate the construction and use of CVT-based reduced-order bases. The CVT-based reduced-order modeling methodology is shown to be effective for these examples and is also shown to be inexpensive to apply compared to other reduced-order methods.

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A Study on the Presumption of Construction Cost of Public Apartment by Analyzing Actual Construction Cost (실적공사비 분석을 통한 공공주택 공사비 추정에 관한 연구)

  • Yoon, Woo-Sung;Lee, Hyun-Chul;Lee, Han-Min;Go, Seong-Seok
    • Korean Journal of Construction Engineering and Management
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    • v.10 no.2
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    • pp.132-144
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    • 2009
  • In this study, the basic data for calculating the proper construction cost as minimizing the uncertainty at the stage of forecasting construction cost with the basis of the analysis on the actual construction cost within completed domestic public apartment house. In this regard, 23 public apartment houses by each region which were ordered by the Korea National Housing Corporation and completed from 2004 to 2007 were selected as the objects of study. Four works such as common temporary installation, construction work, civil work and machine/equipment work which are the important direct cost items based on the actually inputted and settled construction costs were classified by completion year, region, architectural area, and the distribution type considering inflation rate. The sequent actual construction costs per 3.3m2 were compared and analyzed by each work, the proper construction costs were analogized and the calculating formula were presumed with the basis of average actual construction costs to be analyzed and presented.

Characteristics and Gel Properties of Gelatin from Goat Skin as Influenced by Alkaline-pretreatment Conditions

  • Mad-Ali, Sulaiman;Benjakul, Soottawat;Prodpran, Thummanoon;Maqsood, Sajid
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.6
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    • pp.845-854
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    • 2016
  • Characteristics and properties of gelatin from goat skin pretreated with NaOH solutions (0.50 and 0.75 M) for various times (1 to 4 days) were investigated. All gelatins contained ${\alpha}$-chains as the predominant component, followed by ${\beta}$-chain. Gelling and melting temperatures of those gelatins were $23.02^{\circ}C$ to $24.16^{\circ}C$ and $33.07^{\circ}C$ to $34.51^{\circ}C$, respectively. Gel strength of gelatins increased as NaOH concentration and pretreatment time increased (p<0.05). Pretreatment for a longer time yielded gelatin with a decrease in $L^*$-value but an increase in $b^*$-value. Pretreatment of goat skin using 0.75 M NaOH for 2 days rendered the highest yield (15.95%, wet weight basis) as well as high gel strength (222.42 g), which was higher than bovine gelatin (199.15 g). Gelatin obtained had the imino acid content of 226 residues/1,000 residues and the gelatin gel had a fine and ordered structure. Therefore, goat skin gelatin could be used as a potential replacer of commercial gelatin.