• Title/Summary/Keyword: the imaginary

Search Result 790, Processing Time 0.028 seconds

Considerations on the Imaginary Environmental Elements in the Gwanghalu Garden (광한루원(廣寒樓苑)에 내재(內在)된 상상환경요소(想像環境要素) 고찰(考察))

  • Sim, Woo-Kyung;Park, Joo-Sung;Jung, Yong-Jo
    • Journal of the Korean Institute of Traditional Landscape Architecture
    • /
    • v.28 no.1
    • /
    • pp.38-48
    • /
    • 2010
  • The Gwanghalu garden which has a pond of approximately $6,000m^2$ around the pavilion at Namwon City, used as official uses consists of the various imaginary environmental elements such as moon palace as an immortal world, miniatured cosmology and law of nature. This study has focused on the interpretation of the imaginary environmental elements at 1) the name of garden structures, 2) the paintings on the structures, 3) the poems on the garden, and then emphasized on the values of imaginary environments at the historic sites which have been abandoned because of the Westernized scientific attitude in landscape design. Imaginary environment is the 3rd one above the natural and built environment which was a long traditional culture. Accordingly education on landscape architecture might pay attention to this lost environment, imaginary to give the people dream.

NUMBER SYSTEMS PERTAINING TO EUCLIDEAN RINGS OF IMAGINARY QUADRATIC INTEGERS

  • Sim, Hyo-Seob;Song, Hyun-Jong
    • East Asian mathematical journal
    • /
    • v.31 no.3
    • /
    • pp.357-362
    • /
    • 2015
  • For a ring R of imaginary quadratic integers, using a concept of a unitary number system in place of the Motzkin's universal side divisor, we show that the following statements are equivalent: (1) R is Euclidean. (2) R has a unitary number system. (3) R is norm-Euclidean. Through an application of the above theorem we see that R admits binary or ternary number systems if and only if R is Euclidean.

HILBERT 2-CLASS FIELD TOWERS OF IMAGINARY QUADRATIC FUNCTION FIELDS

  • Ahn, Jaehyun;Jung, Hwanyup
    • Journal of the Chungcheong Mathematical Society
    • /
    • v.23 no.4
    • /
    • pp.699-704
    • /
    • 2010
  • In this paper, we prove that the Hilbert 2-class field tower of an imaginary quadratic function field $F=k({\sqrt{D})$ is infinite if $r_2({\mathcal{C}}(F))=4$ and exactly one monic irreducible divisor of D is of odd degree, except for one type of $R{\acute{e}}dei$ matrix of F. We also compute the density of such imaginary quadratic function fields F.

Tool Wear Monitoring Scheme by Modeling of the Cutting Dynamics by Time-series Method (Time-series 방법으로 모델링한 절삭역학에 의한 공구마모감시방법)

  • Kwon, Won-Tae
    • Journal of the Korean Society for Precision Engineering
    • /
    • v.10 no.4
    • /
    • pp.94-103
    • /
    • 1993
  • In this work, the imaginary part of the inner modulation transfer function of the cutting dynamics is introduced for tool wear monitoring. Time-series method is utilized to construct the general three dimensional cutting dynamics whose imaginary part of the inner modulation transfer funcition shows the proportionality to tool wear at the natural frequency of the machine tool dynamics. Thus model is reduced to single-input single-output model without altering the proportionality characteristics to tool wear and implemented to the dual computer system in which one computer performs measurement while the other calculates the imaginary part of the inner modulation transfer function of the cutting dynamics by the batch least square method. The values of the imaginary part at the natural requency of the machine tool structure in the cutting direction are compared to the one calculated during machining with a brand new tool to decide the current status of the tool. The experiments shows the relevance of the proposed concept.

  • PDF

Time-series 방법으로 모델링한 절삭역학에 의한 공구마모감시 방법

  • 권원태
    • Proceedings of the Korean Society of Precision Engineering Conference
    • /
    • 1993.04b
    • /
    • pp.97-101
    • /
    • 1993
  • In this work, the imaginary part of the inner modulation transfer function of the cutting dynamics is introduced for tool wear monitoring. Time-series method is utilized to construct the generalthree dimensional cutting dynamics whose imaginary part of the inner modulation transfer funcition shows the proportionality to tool wear at the natural frequency of the machine tool dynamics. This modelis reduced to single-input single- output model without altering the proporitonality characteristics to tool wear and implemented to the dual computer system in which one computer performs measurement while the other calculates the imaginary part of the inner modulation transfer function of th cutting dynamics by the batchleast square method. The values of the imaginary part at the natural frequencyof the machine tool structure in the cutting direction are compared to the one calculated during machining with a brand new tool to decide the current stants of the tool. The experiments shows the relevance of the proposed concept.

Imaginary Bicyclic Biquadratic Number Fields with Class Number 5

  • Julius Magalona Basilla;Iana Angela Catindig Fajardo
    • Kyungpook Mathematical Journal
    • /
    • v.64 no.2
    • /
    • pp.303-309
    • /
    • 2024
  • An imaginary bicyclic biquadratic number field K is a field of the form ${\mathbb{Q}}({\sqrt{-m}},{\sqrt{-n}})$ where m and n are squarefree positive integers. The ideal class number hK of K is the order of the abelian group IK/PK, where IK and PK are the groups of fractional and principal fractional ideals in the ring of integers 𝒪K of K, respectively. This provides a measure on how far is 𝒪K from being a PID. We determine all imaginary bicyclic biquadratic number fields with class number 5. We show there are exactly 243 such fields.

Determination of all imaginary bicyclic biquadratic number fields of class number 3

  • Jung, Seok-Won;Kwon, Soun-Hi
    • Bulletin of the Korean Mathematical Society
    • /
    • v.35 no.1
    • /
    • pp.83-89
    • /
    • 1998
  • Using the list of all imaginary quadratic fields with class number 1, 2, 3 and 6, we determine all imaginary bicyclic biquadratic number fields of class number 3. There are exactly 163 such fields and their conductors are less than or equal to 163 $\cdot$883.

  • PDF

Imaginary Ego-image and Fashion Styles represented in the Social Media - Focusing on women's personal fashion blogs - (소셜미디어에 나타난 상상적 자아이미지와 패션스타일 - 여성의 퍼스널 패션블로그를 중심으로 -)

  • Suh, Sung Eun;Kim, Min Ja
    • Journal of the Korean Society of Costume
    • /
    • v.64 no.7
    • /
    • pp.128-142
    • /
    • 2014
  • In the new media age, the importance of personal style is highlighted, as the fashion recipients independently create their own images by transforming and recombining the fashion information gathered from the fashion blogs - the most representative form of social networks. The study aims to identify the types and styles of imaginary ego-images represented on the personal fashion blogs as a new space of self-expression, based on Lacan's gaze; the imaginary of the unconscious world and the ego-concept. According to literature search, the imaginary ego-image is classified as narcissism, regression, identification, and virtuality. In the case study, Narcissism is represented mostly as bloggers' satisfaction and beliefs about their fashion styles. The degeneration represents childhood images including a mother, as well as retro and vintage images that recreate the fashions of bygone eras - such as medieval, $19^{th}$ or 20th century fashion. Identification is the connection with the various areas of culture and art, especially movies and music. Virtuality represents hypothetical situations of mythical, fairy tale-like, surreal, or dreamlike atmospheres and hypothetical bodies that appear removed, disassembled, or crooked. The imaginary ego-images emerged on the personal fashion blogs are also classified into specific style depending on the attributes of the ego images-such as kidult style, retro style, ethnic style, and surreal style.