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Extra Form
Lecturer 송홍엽
Dept. 연세대학교
date Mar 31, 2011

조선시대 영의정을 지낸 최석정(1646-1715)은 그의 저서 구수략에 여러 크기의 직교라틴방진을 남겼는데 이는 combinatorial mathematics의 효시로 알려진 Leonhard Euler(1707?1783) 의 직교라틴방진보다도 적어도 61년이 앞서는 기록이다. 
놀랍게도 최석정이나 Euler나 모두 magic square를 만드는 방법으로 이러한 직교라틴방진을 이용하였다. 그러나 안타깝게도 최석정은 자신이 만든 직교라틴방진에 대한 구체적인 설명이나 관련된 분석을 추가하지 않았다.
본 강연에서는 최석정의 직교라틴방진에 관한 기록과 이를 CRC Handbook of Combinatorial Designs에 공식적 기록으로 올린 내용에 관해 간략히 소개한다. 추가로, magic square를 구성할 수 있는 직교라틴방진의 충분조건에 대해 살펴본다.

Atachment
Attachment '1'
List of Articles
Category Subject Dept. Lecturer
Math Colloquia A new view of Fokker-Planck equations in finite and Infinite dimensional spaces file Bielefeld Univ./Purdue Univ. Michael Roeckner
Math Colloquia Counting circles in Apollonian circle packings and beyond file Brown Univ. 오희
Math Colloquia Entropies on covers of compact manifolds file CNRS (France) François Ledrappier
Math Colloquia Quantum Dynamics in the Mean-Field and Semiclassical Regime file Ecole Polytechnique Francoise Golse
Math Colloquia Topological aspects in the theory of aperiodic solids and tiling spaces file Georgia Institute of Technology, School of Mathematics and School of Physics Jean V. Bellissard
Math Colloquia Creation of concepts for prediction models and quantitative trading file Haafor 이승환
Math Colloquia Convex and non-convex optimization methods in image processing file Hong Kong Baptist University Michael Ng
Math Colloquia The phase retrieval problem file Hong Kong University of Science and Technology Yang Wang
Math Colloquia Gromov-Witten-Floer theory and Lagrangian intersections in symplectic topology file IBS, 포항공과대학교 오용근
Math Colloquia Contact instantons and entanglement of Legendrian links file IBS-CGP /POSTECH 오용근
Math Colloquia The Mathematics of the Bose Gas and its Condensation file KAIST 이지운
Math Colloquia Introduction to Non-Positively Curved Groups file KAIST 김상현
Math Colloquia 학부생을 위한 강연회: What is the algebraic number theory? file KAIST 구자경
Math Colloquia Topology of configuration spaces on graphs file KAIST 고기형
Math Colloquia Cloaking via Change of Variables file KAIST 임미경
Math Colloquia Role of Computational Mathematics and Image Processing in Magnetic Resonance Electrical Impedance Tomography (MREIT) file KAIST 이창옥
Math Colloquia 학부생을 위한 강연회: Tipping Point Analysis and Influence Maximization in Social Networks file KAIST 정교민
Math Colloquia Connectedness of a zero-level set as a geometric estimate for parabolic PDEs file KAIST 김용정
Math Colloquia Normal form reduction for unconditional well-posedness of canonical dispersive equations file KAIST 권순식
Math Colloquia Essential dimension of simple algebras file KAIST 백상훈
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