• Journal of the Korean Mathematical Society
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• v.49 no.4
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• pp.855-865
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• 2012

Recently, we have introduced a group invariant, which is related to the number of elements $x$ and $y$ of a finite group $G$ such that $x{\wedge}y=1_{G{\wedge}G}$ in the exterior square $G{\wedge}G$ of $G$. This number gives restrictions on the Schur multiplier of $G$ and, consequently, large classes of groups can be described. In the present paper we generalize the previous investigations on the topic, focusing on the number of elements of the form $h^m{\wedge}k$ of $H{\wedge}K$ such that $h^m{\wedge}k=1_{H{\wedge}K}$, where $m{\geq}1$ and $H$ and $K$ are arbitrary subgroups of $G$.

• The Pure and Applied Mathematics
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• v.25 no.2
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• pp.59-71
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• 2018

We consider the boundary value problem with a Dirichlet condition for a second order linear uniformly elliptic operator in a non-divergence form. We study some properties of a barrier at infinity which was introduced by Meyers and Serrin to investigate a solution in an exterior domains. Also, we construct a modified barrier for more general domain than an exterior domain.

• Journal of the Korean housing association
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• v.3 no.2
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• pp.21-31
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• 1992

There are various which organize architectural forms. The concept of Collage is one of the ways to understand various situation in the Contemporary Architecture and the needed to be underrtood to solve problems in architecture, painting, sculpture etc. Formal characteristic of collage aesthetics proposed by the Cubism appeared to a creative element for a new form in the trends of architecture. Results of this study are as follows. In the Housing Architecture, The Collage is trasposed to the subjective form thanthe general form, and is used as a method to solve problems such as a perception in interior and exterior spaces and urban contexts.

• Journal of Sasang Constitutional Medicine
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• v.24 no.1
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• pp.43-53
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• 2012

1. Objective : It is well-known that even if some people are born with same constitution, their symptoms can be different according to Exterior and Interior diagnosis. This study aimed to suggest different clinical symptoms according to Exterior and Interior group in individual Sasang constitution. 2. Methods : We collected 706 physiological and pathological data of subjects from August 2009 to July 2011 using case report form of Questionnaire. The Sasang constitutional diagnosis and Exterior and Interior diagnosis were conducted by Sasang constitutional experts. All data were analyzed with Chi-square test and significant p value was 0.05. 3. Results : There are different symptoms between Exterior and Interior group in Taeeumin as followed, the frequence of famine and burp, the part of sweat, brown or not in color of stool, painful or not in evacuating, the frequence of loose feces, the frequence of abdominal inflating, the costive feeling frequence after evacuating, foam in urine or not, urination times, amount of Coldness and Hotness in belly, the frequence of turning fale in face. Soeumin as followed, digestion well or not, amount of sweat in exercise, the brown or not in color of stool, the frequence of turning fale in face, athe frequence of clearness in urine and feeling hot. Soyangin as followed, amount of appetite, amount of sweat in hot weather, sweat in neck or not, the red color in urine or not, Coldness and Hotness in foot or not, amount of drinking. 3. Conclusions : We may suggest that physiological and pathological symptoms are different between exterior and interior group in individual Sasang constitution respectively.

• Korean Journal of Human Ecology
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• v.3 no.2
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• pp.39-46
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• 2000

This research was to identify housing identity expressed on entrance features In Korean single detached houses. The data were collected from field study and content analysis method of 45 houses in Chonju city. The methods of observation, of measuring the size, of sketching. and of Photos of entrance feature in the single detached houses were used for this study. Results of this study were as follows. First. the height and the form both of main gate and of wall tended to be closed. In particular. the size of main gate tended to be shown off rather than having practical funtion. whereas the form of main gate were semi-opened and thus could not guaranteed privacy of the residents very well. Second, 53.3% of the direction of main entrance were found to be at right-an91e0 with main gate, which reflected the control needs of private life. Third. the balance of main gate and exterior was homogeneous, which expressed the increase of aethetic concern of exterior Finally. most of entrance approach were made of stones and bricks. This result indicated that the practical funtion of entrance approach was emphasized the emotional environment was not considered in building the entrance approach.

• Structural Engineering and Mechanics
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• v.45 no.4
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• pp.495-519
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• 2013

This paper investigates properties of integral operators in complex variable boundary integral equation in plane elasticity, which is derived from the Somigliana identity in the complex variable form. The generalized Sokhotski-Plemelj's formulae are used to obtain the BIE in complex variable. The properties of some integral operators in the interior problem are studied in detail. The Neumann and Dirichlet problems are analyzed. The prior condition for solution is studied. The solvability of the formulated problems is addressed. Similar analysis is carried out for the exterior problem. It is found that the properties of some integral operators in the exterior boundary value problem (BVP) are quite different from their counterparts in the interior BVP.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2013.11a
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• pp.220-221
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• 2013

Exterior walls are designed and constructed through design focused exterior wall system. Nowadays, freeform facade design has been changing according to material, form and function of the exterior wall system. Especially, curtain wall facade system is designed and manufactured using solar shading faces. However, the traditional method have a lot of difficulties in the currently performing technology for curtain wall facade. It is important to make the freeform facade components that integrated as a surface of freeform buildings. Therefore it is necessary to develop unit module construction method for freeform facade.

• KIEAE Journal
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• v.5 no.2
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• pp.43-49
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• 2005

The purpose of this study is to analyze the form and space of superstructure and to present the characteristics of design innovation and space planning in cruise ships. The exterior design styling and interior space design are induced on the important design concept in cruise ships. The scale and structural daring of the past mega ship and next generation concept is being injected into the current cruise ship design.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 1992.11a
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• pp.33-44
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• 1992

There are various which organize architectural forms. The concept of Collage is one of the ways to understand various situation in the Contemporary Architecture and the needed to be underrtood to solve problems in architecture, painting, sculpture etc. Formal characteristic of collage aesthetics proposed by the Cubism appeared to a creative element for a new form in the trends of architecture. Results of this study are as follows. In the Housing Architecture, the Collage is transposed to the subjective form than the general form, and is used as a method to solve problems such as a perception in interior and exterior spaces and urban contexts.

• Journal of the Korea Institute of Building Construction
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• v.15 no.6
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• pp.653-660
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• 2015

Technologies for reducing construction duration are key factors in nuclear power plant construction projects, as a reduction in construction duration at the construction phase leads to a reduction in construction cost and an increase in profits through the early operation of the nuclear power plant. To analyze the constructability of the height of single-layer placement of formwork for the Reactor Containment Building (RCB) exterior wall through lateral pressure according to the height of concrete placement, the deformation criteria for formwork, and a new form design, 'MIDAS GEN (hereinafter referred to as MIDAS)' is used in this study. The cost and workload of formwork are derived according to the unit of height of the RCB exterior wall. Based on the result, it was found that the higher the RCB exterior wall, the higher the material cost, and the less the construction duration and the less the total number of formwork layers. Based on this result, it is believed that the material cost and the construction duration can be appropriately determined according to the formwork height.