http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Hilbert 空間 ℓ_2에서 無限行列로 表示되는 線型作用素 (Ⅱ)
尹甲炳 慶熙大學校 1989 論文集 Vol.18 No.-
Hillert 空間 ℓ_2에서 標準基底에 관하여 無限行列 A=(a_(ij))로 表示되는 線型作用素(이것도 같은 文字 A로 나타내기로 함)의 連續性에 관하여 考察하였음. 主要한 結果는 §4의 定理 1) A는 임의 (無限)行列, U는 임의 unitary行列, B=UAU^*라함. 다음 條件들은 서로 同値하다. (ⅰ) A는 連續 (ⅱ) 모든 U, i, j에 대하여 || B_i ||, || B^j ||≤M 인 陽의 常數 M가 存在(B_i, B^j는 行列 B의 제i行 및 제j列로 된 Voctor) (ⅲ) 임의 U에 대하여 한 陽의 常數 M이 存在해서, 모든 i, j에 대하여 || B_i ||, || B^j ||≤M (ⅳ) 모든 U, i, j에 대하여 || B_i ||, || B^j ||<∞
Boundedness of an Operator in the Hilbert Space I_2
Yoon, Kap-Byung 慶熙大學校 1987 論文集 Vol.16 No.-
Hilbert 空間 l₂에서 y_i=∑^∞_j=₁a_ijχ_j로 表示되는 寫像 y=Aχ에 대하여 論하였음. 重要한 結果는 定理 8 ∑^∞_j=1|aij|≤M(i=1, 2, 3,……) ∑^∞_i=1|aij|≤M(j=1, 2, 3,……)인 常數 M가 存在하면 A는 連續이다.
On the Solutions of a Differential Equation Around a Regular Singular Point
Yoon, Kap Byung 慶熙大學校 1979 論文集 Vol.9 No.-
原點을 正則特異點으로 가지는 미분방정식 P_0(z) w+ P_1(z) zw'+P_2(z) z^2w"+………+P_n(z) z^nw^n=0 (1), 단, P_n(z)=1, 의 指數방정식 g(入)=0의 根을 α_1, α_2, ……… α_n라 하자. 단 P(α_n)≤R(α_(n-1))≤……≤R(α_2)≤R(α_1)이고, 모든 αi-αj는 整數값을 취한다고 하자. 그러면 (1)의 基本解는 W_1=A_11(z) W_2=A_21(z) + A_22(z) (lnz)/(1!) W_3=A_31(z) + A_32(z) (lnz)/(1!) + A_33(z) ((lnz)^2)/(2!) ………………………… W_n=A_n1(z) + A_n2(z) (lnz)/(1!) + A_n3(z) (((lnz)^2)/(2!)) + ……… A_nn(z) ((lnz)^(n-1)/((n-1)!) 꼴로 表示된다. 여기서 Aij(z)는 z의 αi-j+1 乘以上의 巾급수이고, j=1 때 z의 αj乘 巾의 계수는 1이다. n=3일때에는 위의 基本解를 더욱 자세한 形態로 고쳐서 實地 계산에 便利하도록 고쳤음.
The Analysis of MOUs and their Activities Related to Port State Control
Byung-Sun Min,Soon-Kap Kim,Gil-Young Kong,Chol-Seong Kim,Yoon-Sok Lee,Jung-Man Kim,Chung-Ro Lee 한국항해항만학회 2003 한국항해항만학회지 Vol.27 No.3
The Memorandum of Understanding (MOU) is the document of intent signed between the Port States Control(PSC) to undertake a uniform manner as agreed. Though the MOU is not a legally binding, in case where the agreed items are violated without a just cause, the denunciation will follow. International Maritime Organization (IMO) and regional MOUs have been making amendments and reinforcing the relevant requirements, so that port State Authorities can effectively eradicate the substandard vessels. However, the various problems have arisen due to the existence of different requirements of each MOU, the lack of information exchange between each MOU, the lack of uniform PSC implementation within the same MOU and the lack of adequate system due to the short history of MOUs. In this paper, the MOU records for three years (1999~2001) were analyzed according to each MOU, type of ship, deficiency code, classification society, the number of inspected ships and the number of detained ships to assess the problems (Statistics during 2002 will be published after August 2003). The purpose of this study is to help better understand the PSC activities within each MOU and to establish effective countermeasures by grasping the problems that exist in the PSC at present.
The Analysis of MOUs and their Activities Related to Port State Control
Min, Byung-Sun,Kim, Soon-Kap,Kong, Gil-Young,Kim, Chol-Seong,Lee, Yoon-Sok,Kim, Jung-Man,Lee, Chung-Ro Korean Institute of Navigation and Port Research 2003 한국항해항만학회지 Vol.27 No.3
The Memorandum of Understanding (MOU) is the document of intent signed between the Port States Control(PSC) to undertake a uniform as agreed. Though the MOU is not a legally binding, in case where the agreed items are violated without a just cause, the denunciation will follow. International Maritime Organization (IMO) and regional MOUs have been making amendments and reinforcing the relevant requirements, so that port State Authorities can effectively eradicate the substandard vessels. However, the various problems have arisen due to the existence of different requirements of each MOU, the lack of information exchange between each MOU, the lack of uniform PSC implementation within the same MOU and the lack of adequate system due to the short history of MOUs. In this paper, the MOU records for three years (1999∼2001) were analyzed according to each MOU, type of ship, deficiency code, classification society, the number of inspected ships and the number of detained ships to assess the problems (Statistics during 2002 will be published after August 2003). The purpose of this study is to help better understand the PSC activities within each MOU and to establish effective countermeasures by grasping the problems that exist in the PSC at present.