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연구활동

연구활동

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Research Interests

Theory of Groups (Finite Soluble Groups, Representations, and Permutation Groups) and its Applications to Algebraic Graph Theory

Published Articles

Metacyclic groups of odd order, PhD Thesis, Australian National University (1992)
Generating finite soluble groups, Indag. Math. N.S. 2, (1991) 229-232 (Review)
Degrees of irreducible representations of metacyclic groups, Comm. in Algebra, 21 (1993) 3773-3777 (Review)
Metacyclic primitive linear groups, Comm. in Algebra, 22 (1994) 269-278 (Review)
Metacyclic groups of odd order, Proc. London Math. Soc., Ser. 3, 69 (1994) 47-71 (Review)
Faithful irreducible representations of metacyclic groups, J. of Algebra, 170 (1994) 907-915
Metacyclic irreducible linear groups of prime power order, Bull. BSRI PNUT 2 (1994) 23-32
with L.G.Kovacs, Nilpotent metacyclic irreducible linear groups of odd order, Archiv der Mathematik (Basel), 65 (1995) 281-288 (Review)
Irreducible modules for some metacyclic groups, Pusan Kyongnam Math J. 11 (1995) 49-53
Irreducible representations of metacyclic groups of odd order, Research Papers on Science and Technology RCST PNUT 11 (1996) 195-200
with Cho, J.R., N. Ito and P.S. Kim, Hadamard 2-groups with arbitrarily large derived length, Australasian J. of Combinatorics, 16 (1997) 83-86 (Review)
On the automorphism groups of Cayley maps, East Asian Math J. 16 (1997) 265-269
with Y.G. Baik , Y. Feng and M.Y. Xu, On the normality of Cayley graphs of Abelian groups, Algebra Colloquium, 5 (1998) 294-304 (Review)
Conjugacy classes of subgroups of metacyclic groups of prime power order, Bull. Korea Math. Soc. 35 (1998) 719-726 (Review)
Automorphisms of metacyclic groups of prime power order, East Asian Math. J. 15 (1999) 45-53
with P.S. Kim and Y. Kim, The number of orbits of a finite p-groups acting with bounded movement, Proc. Groups Korea 98, Water de Gruyter (2000) 221-228 (Review)
with Y.G. Baik and Y. Feng, The normality of Cayley graphs of finite abelian groups with valency 5, Systems Science and Math. Sciences, 13 (2000) 425-431 (Review)
with C.H. Li, The graphical regular representations of finite metacyclic p-groups , Europ. J. Combin. 21 (2000) 917-925
with C.H. Li, On half-transitive metacirculant graphs of prime-power order, J. Combin. Theory, Ser. B, 81 (2001) 45-57
with Y.W. Kim, Normal edge-transitive circulant graphs, Bull. Korean Math. Soc., 38 (2001) 317-324
with C.H. Li, Automorphisms of Cayley graphs of metacyclic groups of prime power order, J. Austral. Math. Soc. 71-2 (2001) 223-232
with M.Y. Xu, X. Fang and Y.G. Baik, On a conjecture of Li and Praeger concerning the isomorphisms of Cayley Graphs of A_5, Science of China ser. A, 44-12 (2001) 1502-1508
with G.M. Lee and J.Y. Shin, A counterexample on the closedness of the convex hull of a closed cone in R^n, Acta Mathematica Vietnamica

Submitted

with M.Y. Xu and Y.G. Baik, Arc-transitive circulant digraphs of odd prime-power order

Research Reports

with G.S. Kim and A.C. Kim, Combinatorial group theory and its applications (Mid-term Report 1, 1997, KOSEF grant: 96-0701-03-01-3), 21 pages
with A.C. Kim, Combinatorial group theory and its applications (Mid-term Report 2, 1998, KOSEF grant: 96-0701-03-01-3), 59 pages
with G.S. Kim and Y.K. Kim, Combinatorial group theory and its applications (Final Report, 1999, KOSEF grant: 96-0701-03-01-3), 130 pages

Prize

1995: Korean Mathematical Society Prize for Research

Invited Lectures

Metacyclic irreducible linear groups , Groups-Korea '94: The 3rd International Conference on Theory of Groups, Pusan, 1994
Metacyclic groups of odd order , The spring meeting of Korean Mathematical Society, 1995
Metacyclic irreducible linear groups , The annual meeting of Korean Mathematical Society, Pusan-Kyongnam Branch, 1995
Faithful irreducible representations of metayclic groups , Department of mathematics, POSTECH, 1995
The automorphism groups of Cayley graphs of abelian groups , The 3rd Com2Sci Conference '96, POSTEC, 1996
The automorphism groups of Cayley graphs , The annual meeting of Korean Mathematical Society, 1999

Examiner for PhD theses

S.J. Ha, Fibonacci algebra and topology , Pusan National University, 1996
Y.Q. Feng, The normality of Cayley digraphs with small valencies , Peking University, 1997
D.J. Wang, The automorphism groups of vertex-transitive cubic graphs , Peking University, 1997
C.Q. Wang, A classification of 1/2-transitive graphs of order 6p, Peking University, 1997
W.H. Kim, Term-linearity of groupoids and bands with a small number of term functions, Pusan National University, 2002
J.K. Park, Operations on supra-topological spaces, Pukyong National University, 2002