• Communications of Mathematical Education
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• v.22 no.1
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• pp.79-89
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• 2008

In this study, we study on various positions and equations of trisectors of angle. We analyze article related with trisector's equation of angle. We elaborate the article, investigate various case of angles, and find out new equations of trisectors of angle.

• Journal of Elementary Mathematics Education in Korea
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• v.1 no.1
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• pp.87-98
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• 1997

A practice is classified into the practice as a content and the practice as a method. The former means that the practical nature of mathematical knowledge itself should be a content of mathematics and the latter means that one should teach the mathematical knowledge in such a way as the practical nature is not damaged. The practical nature of mathematics means mathematician's activity as it is actually done. Activities of the mathematician are not only discovering strict proofs or building axiomatic system but informal thinking activities such as generalization, analogy, abstraction, induction etc. In this study, it is found that the most instructive ones for the future users of mathematics are such practice as content. For the practice as a method, students might learn, by becoming apprentice mathematicians, to do what master mathematicians do in their everyday practice. Classrooms are cultural milieux and microsoms of mathematical culture in which there are sets of beliefs and values that are perpetuated by the day-to-day practices and rituals of the cultures. Therefore, the students' sense of ‘what mathematics is really about’ is shaped by the culture of school mathematics. In turn, the sense of what mathematics is really all about determines how the students use the mathematics they have learned. In this sense, the practice on which classroom instruction might be modelled is that of mathematicians at work. To learn mathematics is to enter into an ongoing conversation conducted between practitioners who share common language. So students should experience mathematics in a way similar to the way mathematicians live it. It implies a view of mathematics classrooms as a places in which classroom activity is directed not simply toward the acquisition of the content of mathematics in the form of concepts and procedures but rather toward the individual and collaborative practice of mathematical thinking.

• Journal for History of Mathematics
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• v.22 no.2
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• pp.27-52
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• 2009

This article discusses the contributions of the leader Oswald Veblen, who was the president of AMS during 1923-1924. In 2006, Korea ranked 12th in SCIE publications in mathematics, more than doubling its publications in less than 10 years, a successful model for a country with relatively short history of modern mathematical research. Now there are 192 four-year universities in Korea. Some 42 of these universities have Ph.D. granting graduate programs in mathematics and/or mathematical education in Korea. Rapid growth is observed over a broad spectrum including a phenomenal performance surge in International Mathematical Olympiad. Western mathematics was first introduced in Korea in the 17th century, but real significant mathematical contributions by Korean mathematicians in modern mathematics were not much known yet to the world. Surprisingly there is no Korean mathematician who could be found in MaC Tutor History Birthplace Map. We are at the time, to have a clear vision and leadership for the 21st century. Even with the above achievement, Korean mathematical community has had obstacles in funding. Many people thinks that mathematical research can be done without funding rather unlike other science subjects, even though they agree fundamental mathematical research is very important. We found that the experience of early American mathematical community can help us to give a vision and role model for Korean mathematical community. When we read the AMS Notice article 'The Vision, Insight, and Influence of Oswald Veblen' by Steve Batterson, it answers many of our questions on the development of American mathematics in early 20th century. We would like to share the story and analyze its meaning for the development of Korean Mathematics of 21st century.

• The Science & Technology
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• v.30 no.1 s.332
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• pp.26-27
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• 1997

'과학과 기술'지는 괴짜 과학자나 특이한 기술자를 소개하는 '이런 과학자, 저런 기술자'난을 신설했다. 이번 호에는 자식도, 부인도, 집도 없이 평생을 공책 몇권이 든 가방만을 들고 다닌 수학계의 큰 별 '폴 에어 디쉬'의 생애를 조명해 본다.

• The Science & Technology
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• v.29 no.12 s.331
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• pp.80-82
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• 1996

본지가 4년동안 연재해온 '본지와의 대담'은 이번 12월호를 끝으로 막을 내립니다. 그동안 '1명의 인터뷰' 형식으로 진행해온 대담형식을 바꿔 이번에는 한국이 낳은 세계적인 수학자로 현재 캐나다 브리티쉬 컬럼비아대학 명예교수이며 캐나다 왕립협회 회원인 이임학박사를 4명의 교수가 함께 만나보았다.

• The Korean Publising Journal, Monthly
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• s.243
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• pp.22-23
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• 1998

나는 지금까지 공저를 포함해 100여권의 책을 냈다. 수학자로서의 상당히 많은 양이다. 이토록 책을 많이 쓴 것은 특별한 야심이 있어서가 아니다. 처음 출간한 책을 지금 읽어보면 부끄러울 지경이다. 그러나 그런 비위가 없었다면 단 한권의 책도 쓰지 못했을 것이다.

• Defense and Technology
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• no.3 s.217
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• pp.36-45
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• 1997

국방기술과 민간기술은 동일한 과학적 지식 기반위에서 발전하고 비슷한 도구, 기법, 공정, 소재 등을 사용하여 이익을 얻으며, 동일한 시스템에서 교육받은 과학자, 엔지니어, 수학자들에 의해 개발되기 때문에 상호간의 역량을 최대한으로 통합, 활용하여 시너지효과를 얻을 수 있을 것이다

• Communications of Mathematical Education
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• v.11
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• pp.307-319
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• 2001

대학수학에서, 멱급수의 전개를 배우는 단원에서 관심을 끄는 수 ${\pi}$에 대하여 고찰함으로써, ${\pi}$값의 계산 과정에 있어서의 발달을 이해하고, Mathematica를 이용하여 수학자들이 만든 공식을 통해 ${\pi}$값을 구체적으로 계산하여 보며, 또한 수학에 흥미를 느끼도록 하여 학생들 스스로가 ${\pi}$값을 계산해 볼 수 있는 기회를 갖도록 유도한다.

• The Science & Technology
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• v.32 no.6 s.361
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• pp.82-83
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• 1999

미국의 수리과학은 세계 주도적 위치에 있기는 하지만 막대한 재원의 뒷받침이 없이는 그 위치를 유지하기 어려운 실정이다. 그동안은 공산권 등에서 이민온 수학자들이 세계적 권위를 유지해 왔지만 직장도 적고 봉급도 낮을 뿐만 아니라 박사학위를 받는데도 너무 시간이 많이 걸려 대학원생들이 외면하고 있기 때문에 미국의 수리과학은 갈수록 흔들리고 있는 실정이다.

• The Science & Technology
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• v.30 no.7 s.338
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• pp.86-87
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• 1997

미국에서 10여년의 교수생활을 마치고 귀국해 수원에 자리한 아주대에서 7년째 교수로 활약하고 있는 고계원(46세)박사는 올해 안식년을 맞아 강의도 맡지 않고 연구활동에만 전념하고 있다. 해석학이 전공인 고교수는 "우리나라에도 더 많은 여자 수학자가 나와 많은 연구활동을 할 수 있도록 해야 한다"고 강조했다.