• 제목/요약/키워드: I-FORM

검색결과 3,852건 처리시간 0.027초

A Local Limit Theorem for Large Deviations

  • So, Beong-Soo;Jeon, Jong-Woo
    • Journal of the Korean Statistical Society
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    • 제11권2호
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    • pp.88-93
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    • 1982
  • A local limit theorem for large deviations for the i.i.d. random variables was given by Richter (1957), who used the saddle point method of complex variables to prove it. In this paper we give an alternative form of local limit theorem for large deviations for the i.i.d. random variables which is essentially equivalent to that of Richter. We prove the theorem by more direct and heuristic method under a rather simple condition on the moment generating function (m.g.f.). The theorem is proved without assuming that $E(X_i)=0$.

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ON A GENERALIZED BERGE STRONG EQUILIBRIUM

  • Kim, Won Kyu
    • Communications of the Korean Mathematical Society
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    • 제29권2호
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    • pp.367-377
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    • 2014
  • In this paper, we first introduce a generalized concept of Berge strong equilibrium for a generalized game $\mathcal{G}=(X_i;T_i,f_i)_{i{\in}I}$ of normal form, and using a fixed point theorem for compact acyclic maps in admissible convex sets, we establish the existence theorem of generalized Berge strong equilibrium for the game $\mathcal{G}$ with acyclic values. Also, we have demonstrated by examples that our new approach is useful to produce generalized Berge strong equilibria.

재조합 인간 GM-CSF의 수용체에 관한 연구

  • 이부연;최상운;이정옥;공재양
    • Proceedings of the Korean Society of Applied Pharmacology
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    • 한국응용약물학회 1994년도 춘계학술대회 and 제3회 신약개발 연구발표회
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    • pp.307-307
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    • 1994
  • 본 실험에서는 유전자 재조합으로 제조한 〔$^{125}$/I〕-labeled human GM-CSF를 사용하여 GM-CSF의 HL-60 cell의 표면에 존재하는 GM-CSF 수용체의 특성을 밝히고 수용체에 대한 binding parameter를 확인하고 Immunex(미국) 사에서 제조한 Prokine(Sargramostim)과 Sigma사에서 구입한 GM-CSF(C-9666)를 표준물질로 하여 (주) Lucky에서 제조한 GM-CSF(LBD-005)의 수용체에 대한 결합율을 측정, 각각 비교하고자 하였다. 한편 LBD-005는 glycosylation된 form과 안된 form의 혼합물이므로 당화의 정도가 수용체에 대한 결합에 미치는 영향을 알아보기 위해 glycosylated form과 혼합물(LBD-005)의 수용체에 대한 결합율을 측정 비교하였다.

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MULTIPLICATIVE FUNCTIONS COMMUTABLE WITH BINARY QUADRATIC FORMS x2 ± xy + y2

  • Poo-Sung, Park
    • Bulletin of the Korean Mathematical Society
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    • 제60권1호
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    • pp.75-81
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    • 2023
  • If a multiplicative function f is commutable with a quadratic form x2 + xy + y2, i.e., f(x2 + xy + y2) = f(x)2 + f(x) f(y) + f(y)2, then f is the identity function. In other hand, if f is commutable with a quadratic form x2 - xy + y2, then f is one of three kinds of functions: the identity function, the constant function, and an indicator function for ℕ \ pℕ with a prime p.

A Study on Louis I. Kahn's 'form' of Exeter Library through the Analysis of the Sketch (루이스 칸의 엑서터 도서관 스케치 분석을 통한 기본형식에 관한 연구)

  • Oh Kwang-Suek
    • Korean Institute of Interior Design Journal
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    • 제14권3호
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    • pp.36-45
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    • 2005
  • The aim of this study is to understand the meaning of Form drawing in which Louis 1. Kahn's principal thought is immanent through the detail analysis on design process of the Phillips Exeter Academy Library, based on his sketches and writings. The basic form is composed of three different space: one where students come together in the presence of books, another for the storage of books, and a third for reading in the light. Through the design process in the Exeter library, the basic form is maintained and it is derived from the consideration of the human activities in the library Particularly, the basic form is shaped around the idea that learning necessarily Involved two complementary activities: on the one hand, the quiet introspective act of reading, and the other, the interpersonal exchange of ideas. And the basic form plays an important role in controlling the relationship between program requirements and formal transformations in the design.

A Study on the Critical Elements in the Commentaries on Competition of the Hospital Architecture in Germany (독일 병원건축 설계경기의 심사평에 나타난 평가항목에 관한 연구)

  • Cho, Ja Yeon
    • Journal of The Korea Institute of Healthcare Architecture
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    • 제9권1호
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    • pp.53-60
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    • 2003
  • In this study, I investigate the critical evaluation elements at the architectural competition held nationwide in Germany. These evaluation elements, which can be regarded as the important design evaluation criteria, are selected by the design competition committee. Generally, in Germany the design competition committee consist of professors and famous architects who have theoretical and practical abilities with their own office. I classify and analyze the critical evaluation elements of seventy committee members, working on the selected nine prize-winners in Germany from 1997 to 2001. I conclude that the critical evaluation elements, ordered by frequency are : (1)circulation, (2)context, (3)function, (4)landscape & outside space, (5)organization of space, (6)arrangement of building, (7)form, arrangement of building, (7)form, (7)growth & change, (9)elevation design, (10)utilization of natural light. These design evaluation growth & change, (9)elevation design, (10)utilization of natural light. These design evaluation criteria for Hospital Architecture in Germany also can be applied to the evaluation methods of the korean Healthcare facility design.

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Effects of Co-Expression of Liver X Receptor β-Ligand Binding Domain with its Partner, Retinoid X Receptor α-Ligand Binding Domain, on their Solubility and Biological Activity in Escherichia coli

  • Kang, Hyun
    • Journal of Microbiology and Biotechnology
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    • 제25권2호
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    • pp.247-254
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    • 2015
  • In this presentation, I describe the expression and purification of the recombinant liver X receptor β-ligand binding domain proteins in E. coli using a commercially available double cistronic vector, pACYCDuet-1, to express the receptor heterodimer in a single cell as the soluble form. I describe here the expression and characterization of a biologically active heterodimer composed of the liver X receptor β-ligand binding domain and retinoid X receptor α-ligand binding domain. Although many of these proteins were previously seen to be produced in E. coli as insoluble aggregates or "inclusion bodies", I show here that as a form of heterodimer they can be made in soluble forms that are biologically active. This suggests that co-expression of the liver X receptor β-ligand binding domain with its binding partner improves the solubility of the complex and probably assists in their correct folding, thereby functioning as a type of molecular chaperone.

A Study on the Characteristic of the Landscape of Highrize Housing Complex at the street (가로변 고층집합주거단지 경관 특성에 관한 연구)

  • 김윤학;박향룡;이봉수;조용준
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 한국주거학회 2002년도 추계학술발표대회
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    • pp.223-228
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    • 2002
  • This study is a preference reversal about a policeman image and evaluation by roadside higher stories meeting dwelling pot to the center, and it is an examination, the thing that it analyzed by proposals. Preference anger Was high, and as for the results, the pot which I gave, and bronze was mixed, and formed the skyline with a change appeared with a height and a form of reveal a cross section in meeting dwelling pot star preference evaluation results cluster older brother contrariety. Also, it was arranged the parallel that older brother was parallel in the printing which was monotonous if I wore 1, and the pot that time a little shielding anger was high was evaluated because preference anger was low. Therefore, consideration about a the number of layers interval change must be in order a higher stories meeting dwelling pot reduces that I go for a closing of crossways in the future, and to be able to feel variety with a form enemy.

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Self-assembly Coordination Compounds of Cu(II), Zn(II) and Ag(I) with btp Ligands (btp = 2,6-bis(N'-1,2,4-triazolyl)pyridine):Counteranion Effects

  • Kim, Cheal;Kim, Sung-Jin;Kim, Young-Mee
    • Korean Journal of Crystallography
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    • 제16권2호
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    • pp.107-127
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    • 2005
  • Five Cu(II) compounds were obtained from different copper salts with btp ligands, and their structures were determined by X-ray crystallography. The structure of coordination polymer 2 contains btp-bridged tetranuclear Cu(II) units weakly connected by nitrate ions, and the structure of a discrete Cu(II) molecule 1 contains acetates and btp ligands. With perchlorate anions, two btp ligands bridge Cu(II) ions to form a double zigzag chain 3, while a single zigzag chain 4 is created with sulfate anions. The reaction of $Cu(NO_{3})_{2}$ containing $NH_{4}PF_{6}$ with btp ligands also produced a polymeric compound 5 containing $Cu(H_{2}O)_{2}^{2+}$ and $Cu(NO_{3})_{2}$ units alternatively bridged by btp ligands with H-bonds between copper bonded water and nitrate oxygen atoms. Five Zn(II) compounds were obtained from different zinc salts with btp ligands, and the structures of polymeric compounds (6, 7 and 8) and monomeric compounds (9 and 10) were determined by X-ray crystallography. With nitrate, chloride and bromide anions, btp ligands bridge Zn(II) ions to form polymeric compounds (6, 7 and 8), but btp ligands coordinate to a Zn(II) ion to form monomeric complexes (9 and 10) with $PF_{6}^{-}$ and perchlorate anions. Four silver salts and btp ligands produced two kinds of structures, dinuclear 20-membered rings and one-dimensional zigzag chain depending on different anions. For $ClO_{4}^{-}$ and OTf anions, weak interactions between Ag(I) and anions make dinuclear 20-membered rings construct polymeric compounds (11 and 13). For $PF_{6}^{-}$ anion, there are also weak interactions between Ag(I) and $F(PF_{6}^{-})(12)$, but they do not construct a polymeric compound. For $O_{2}CCF_{3}^{-}$ anion, btp ligands bridge Ag(I) atoms to make one-dimensional zigzag chain (14), and there are also interactions between Ag(I) and anions.

Analysis of Efficient Investment for Apartment Gang Form Work by FTA Technique (FTA 기법을 이용한 아파트 갱폼작업의 효율성 분석)

  • Son, Ki-Sang;Kim, Si-Ok
    • Journal of the Korean Society of Safety
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    • 제17권1호
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    • pp.87-93
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    • 2002
  • In this thesis using FTA technique, the author proposes a new method of analysis of some accidents in construction work. Some efficient plans of safe facility investment are made out. For this study, I referred to 'The Death Accident in Construction Works', which have been published by Korea Industrial Safety Corporation from 1993 to 1999 for 6 years. I selected some of apartment constructions which have caused many deaths for the purpose of analysis in the study. I found that the concrete work using ferro-deck takes more deaths than the conventional construction. After finding this, I selected GANG FORM works using ferro-concrete which is the most widely used but causes many accidents. On the basis of the classification, I try to do some quantitative analyses by adding the death frequency and material factors. In order to draw up the most efficient investment plan, it is imperative that FT diagram be made out and that factors. In order to draw up the most efficient investment plan, it is imperative that FT diagram be made out and that minimal Cut Set be needed. It requires a great deal to labor and time to get Minimal Cut Set. The Minimal Cut Set which is formed of these process is the main factor to analyze disaster in the work. It is desirable that we add calculated percentage of accidents to these factors to these factors in value order, that is to say, from the high cost to low cost.