Sang‐Gu Lee

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All published works
Action Title Year Authors
+ PDF Chat On general reduced second Zagreb index of graphs 2019 Batmend Horoldagva
Lkhagva Buyantogtokh
Kinkar Ch. Das
Sang‐Gu Lee
+ PDF Chat INTERACTIVE DYNAMICS IN A BISTABLE ATTRACTION-REPULSION CHEMOTAXIS SYSTEM 2016 YoonMee Ham
Sang‐Gu Lee
+ Chapter7 Linear Algebra of the book [Mathematics: Form and Function] - Translation (수학: 형식과 기능) 2015 Sang‐Gu Lee
곽영직
권기호
한태식
오채환
+ Calculus with Sage 2014 Robert A. Beezer
Sang‐Gu Lee
Eung-Ki Kim
YoonMee Ham
Ajit Kumar
+ PDF Chat Simultaneous solutions of operator Sylvester equations 2014 Sang‐Gu Lee
Quoc-Phong Vu
+ PDF Chat A Hopf Bifurcation in a Three-Component Reaction-Diffusion System with a Chemoattraction 2013 YoonMee Ham
Sang‐Gu Lee
Quoc Phong Vu
+ Simultaneous solutions of matrix equations and simultaneous equivalence of matrices 2012 Sang‐Gu Lee
Quoc-Phong Vu
+ PDF Chat AN ANALYSIS OF RECENT RESEARCH ON THE METHOD OF EXCESS AND DEFICIT (Ying NÜ and Ying Buzu Shu) 2012 Sang‐Gu Lee
Jae Hwa Lee
+ Ki-Won Chang, The first specialist on the history of Korean mathematics 2012 Sang‐Gu Lee
Jae Hwa Lee
+ Early History of Linear Algebra 2012 Sang‐Gu Lee
Jae Hwa Lee
YoonMee Ham-Lee
+ Simultaneous solutions of Sylvester equations and idempotent matrices separating the joint spectrum 2011 Sang‐Gu Lee
Quoc-Phong Vu
+ A comparison of term ranks of symmetric matrices and their preservers 2011 LeRoy B. Beasley
Seok-Zun Song
Kyung‐Tae Kang
Sang‐Gu Lee
+ Spectral Properties of the He Matrix of Hexagonal Systems 2011 F M Bhatti
Sang‐Gu Lee
Iván Gutman
+ A study on mathematics books of Joseon Dynasty 2011 Sang‐Gu Lee
Jae-Hwa Lee
+ Characterization of the determinant of a Laguerre matrix 2010 YoonMee Ham
Sang‐Gu Lee
Vũ Qúôc Phóng
+ Comparing Zagreb indices for connected graphs 2010 Batmend Horoldagva
Sang‐Gu Lee
+ First Mathematical Science Journal of Korea in 1905 2010 Sang‐Gu Lee
Seol Han-Guk
+ Mathematical Modelling of the H1N1 Influenza 2010 Sang‐Gu Lee
Rae-Young Ko
Jae-Hwa Lee
+ Fibonacci Sequences and the Winning Conditions for the Blackout Game 2010 Duk-Sun Kim
Sang‐Gu Lee
F M Bhatti
+ The Fine numbers refined 2009 Gi‐Sang Cheon
Sang‐Gu Lee
Louis W. Shapiro
+ On the Estrada index conjecture 2009 Kinkar Ch. Das
Sang‐Gu Lee
+ On the conjecture for certain Laplacian integral spectrum of graphs 2009 Kinkar Ch. Das
Sang‐Gu Lee
Gi‐Sang Cheon
+ Controllability of non-linear impulsive stochastic systems 2009 R. Sakthivel
Nazım I. Mahmudov
Sang‐Gu Lee
+ A MODIFIED FAMILY OF LAGUERRE ITERATION FUNCTIONS OF QUARTICALLY CONVERGENCE 2009 Yoon Mee Ham
Sang‐Gu Lee
Duk-Sun Kim
+ APPROXIMATE CONTROLLABILITY OF IMPULSIVE DIFFERENTIAL INCLUSIONS WITH NONLOCAL CONDITIONS 2009 R. Sakthivel
E. R. Anandhi
Sang‐Gu Lee
+ Sang-Seol LEE: Father of Korean Modern Mathematics Education 2009 Seol Han-Guk
Sang‐Gu Lee
+ Contribution of Oswald Veblen to AMS and its meaning in Korea 2009 Sang‐Gu Lee
YoonMee Ham
+ PDF Chat A Hopf bifurcation in a radially symmetric free boundary problem 2008 YoonMee Ham
Sang‐Gu Lee
+ A GENERATION OF A DETERMINANTAL FAMILY OF ITERATION FUNCTIONS AND ITS CHARACTERIZATIONS 2008 YoonMee Ham
Sang‐Gu Lee
Jerry Ridenhour
+ REPULSIVE FIXED-POINTS OF THE LAGUERRE-LIKE ITERATION FUNCTIONS 2008 YoonMee Ham
Sang‐Gu Lee
+ Some higher-order modifications of Newton’s method for solving nonlinear equations 2007 YoonMee Ham
Changbum Chun
Sang‐Gu Lee
+ Several polynomials associated with the harmonic numbers 2007 Gi‐Sang Cheon
Suk-Geun Hwang
Sang‐Gu Lee
+ Ground of the revolutionary change in early 20C American Mathematics 2007 Sang‐Gu Lee
Suk-Geun Hwang
Gi-Sang Cheon
+ LINEAR OPERATORS PRESERVING MAXIMAL COLUMN RANKS OF NONNEGATIVE REAL MATRICES 2007 Kyungtae Kang
Duk-Sun Kim
Sang‐Gu Lee
Han-Guk Seol
+ Linear algebraic approach on real σ-game 2006 Sang‐Gu Lee
Jeong-Mo Yang
+ Frobenius and Dieudonné theorems over semirings 2005 LeRoy B. Beasley
Alexander Guterman
Sang‐Gu Lee
Seok-Zun Song
+ The number of zeros of a tight sign-central matrix 2005 Suk-Geun Hwang
Ik-Pyo Kim
Si-Ju Kim
Sang‐Gu Lee
+ Linear preservers of zeros of matrix polynomials 2004 LeRoy B. Beasley
Alexander Guterman
Sang‐Gu Lee
Seok-Zun Song
+ Activity of a Gifted Student Who Found Linear Algebraic Solution of Blackout Puzzle 2004 Sang‐Gu Lee
Jong-Bin Park
Jeong-Mo Yang
+ Linear transformations preserving the Grassmannian over Mn(Z+) 2003 LeRoy B. Beasley
Alexander Guterman
Sang‐Gu Lee
Seok-Zun Song
+ A characterization of strong preservers of matrix majorization 2003 LeRoy B. Beasley
Sang‐Gu Lee
You-Ho Lee
+ Linear operators that preserve pairs of matrices which satisfy extreme rank properties 2002 LeRoy B. Beasley
Sang‐Gu Lee
Seok-Zun Song
+ Factorizations and Eigenvalues of Fibonacci and Symmetric Fibonacci Matrices 2002 Gwang-Yeon Lee
Jin‐Soo Kim
Sang‐Gu Lee
+ PDF Chat RESOLUTION OF THE CONJECTURE ON STRONG PRESERVERS OF MULTIVARIATE MAJORIZATION 2002 Leroy-B. Beasley
Sang‐Gu Lee
You-Ho Lee
+ A Representation and Some Properties for $k$-Fibonacci Sequences 2001 Gwang-Yeon Lee
Jin‐Soo Kim
Sang‐Gu Lee
+ The Binet Formula and Representations of k-Generalized Fibonacci Numbers 2001 Gwang-Yeon Lee
Sang‐Gu Lee
Jin‐Soo Kim
Hang-Kyun Shin
+ Zero-term rank preservers<sup>∗</sup> 2001 LeRoy B. Beasley
Seok-Zun Song
Sang‐Gu Lee
+ PDF Chat Generating of Chaos in Duffing Oscillation 2000 Noriyuki Aoki
Michio Miyazaki
Sang‐Gu Lee
Hee Hyol Lee
Kageo Akizuki
+ Linear operators preserving multivariate majorization 2000 LeRoy B. Beasley
Sang‐Gu Lee
+ THE BINET FORMULA AND REPRESENTATIONS OF ^-GENERALIZED FIBONACCI NUMBERS 1999 Gwang-Yeoii Lee
Sang‐Gu Lee
Jin‐Soo Kim
+ A Hopf bifurcation of interfaces in a Dirichlet problem. 1999 YoonMee Ham
Sang‐Gu Lee
+ PDF Chat The possible numbers of zeros in a orthogonal matrix 1999 Gi‐Sang Cheon
Charles Johnson
Sang‐Gu Lee
Ethan Pribble
+ Linear Operators Strongly Preserving Multivariate Majorization with T(I) = I 1999 LeRoy B. Beasley
Sang‐Gu Lee
You-Ho Lee
+ Linear operators strongly preserving natrices whose sign patterns require the perron property 1998 Sang‐Gu Lee
Se Won Park
Han-Guk Seol
+ LINEAR TRANSFORMATIONS THAT PRESERVE THE ASSIGNMENT II 1996 LeRoy B. Beasley
Gwang-Yeon Lee
Sang‐Gu Lee
+ A Note on Generalized Fibonacci Numbers 1995 Gwang-Yeon Lee
Sang‐Gu Lee
+ Column ranks and their preservers of general boolean matrices 1995 Seok-Zun Song
Sang‐Gu Lee
+ Linear p(X) X preservers over general boolean semirings 1994 LeRoy B. Beasley
Sang‐Gu Lee
+ Linear operators strongly preserving<i>r</i>-cyclic matrices over semirings 1993 LeRoy B. Beasley
Sang‐Gu Lee
+ Linear operators strongly preserving r-potent matrices over semirings 1992 LeRoy B. Beasley
Sang‐Gu Lee
+ Linear Operators Strongly Preserving Polynomial Equations Over Antinegative Semirings 1991 Sang‐Gu Lee
+ On the Generalizations of Gershgorin's Theorem 1986 Sang‐Gu Lee
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ Term-rank, permanent, and rook-polynomial preservers 1987 LeRoy B. Beasley
Norman J. Pullman
4
+ Newton's method and generation of a determinantal family of iteration functions 2000 Bahman Kalantari
Jürgen Gerlach
3
+ Linear operators that preserve maximal column rank of boolean matrices<sup>*</sup> 1994 Suk-Geun Hwang
Si-Ju Kim
Seok-Zun Song
3
+ Stability of Solutions of Differential Equations in Banach Space 2002 Ju. Daleckiĭ
M. Г. Крейн
3
+ Linear Operators Strongly Preserving Multivariate Majorization with T(I) = I 1999 LeRoy B. Beasley
Sang‐Gu Lee
You-Ho Lee
3
+ On the operator equation BX−XA=Q 1956 Marvin Rosenblum
3
+ PDF Chat On the Laguerre method for separating the roots of algebraic equations 1957 Stephen Kulik
3
+ Inequalities: Theory of majorization and its applications 1994 James V. Bondar
3
+ Linear preserver problems: A brief introduction and some special techniques 1992 Chi-Kwong Li
Nam‐Kiu Tsing
3
+ Matrix majorization 1999 Geir Dahl
3
+ A basic family of iteration functions for polynomial root finding and its characterizations 1997 Bahman Kalantari
Iraj Kalantari
Rahim Zaare-Nahandi
3
+ PDF Chat A Hopf bifurcation in a parabolic free boundary problem 1994 Yoon-Mee Lee
Renate Schaaf
Russell C. Thompson
3
+ Iterative Methods for the Solution of Equations. 1967 David M. Young
J. F. Traub
3
+ PDF Chat Inequalities: Theory of Majorization and its Applications. 1981 Barry C. Arnold
Albert W. Marshall
Ingram Olkin
3
+ Aggregating pattern dynamics in a chemotaxis model including growth 1996 Masayasu Mimura
Tohru Tsujikawa
3
+ PDF Chat The On-Line Encyclopedia of Integer Sequences 2007 N. J. A. Sloane
2
+ Impulsive Differential Equations 1995 А. М. Самойленко
N. A. Perestyuk
2
+ Linear operators that strongly preserve primitivity 1989 LeRoy B. Beasley
Norman J. Pullman
2
+ The doubly stochastic matrices of a multivariate majorization 1995 Gi‐Sang Cheon
You-Ho Lee
2
+ Controllability of integrodifferential systems in Banach spaces 2001 K. Balachandran
R. Sakthivel
2
+ A GENERATION OF A DETERMINANTAL FAMILY OF ITERATION FUNCTIONS AND ITS CHARACTERIZATIONS 2008 YoonMee Ham
Sang‐Gu Lee
Jerry Ridenhour
2
+ Linear operators strongly preserving idempotent matrices over semirings 1992 LeRoy B. Beasley
Norman J. Pullman
2
+ A comparison of nonnegative real ranks and their preservers 1992 LeRoy B. Beasley
Seok-Zun Song
2
+ PDF Chat Traveling wave solutions of a 3-component reaction-diffusion model in smoldering combustion 2011 K. Ikeda
Masayasu Mimura
2
+ Linear maps that preserve commuting pairs of matrices 1976 William Watkins
2
+ Comparing the Zagreb Indices 2006 Pierre Hansen
Damir Vukičević
2
+ Chemotaxis-growth under the influence of lateral inhibition in a three-component reaction–diffusion system 2011 Satoshi Kawaguchi
2
+ PDF Chat Singular limit analysis of planar equilibrium solutions to a chemotaxis model equation with growth 1996 Tohru Tsujikawa
2
+ Linear transformations on matrices: The invariance of commuting pairs of matrices 1978 LeRoy B. Beasley
2
+ A COMPLETENESS ON GENERALIZED FIBONACCI SEQUENCES 1995 Gwang-Yeon Lee
2
+ Majorizations and inequalities in matrix theory 1994 T. Andô
2
+ Simultaneous solutions of Sylvester equations and idempotent matrices separating the joint spectrum 2011 Sang‐Gu Lee
Quoc-Phong Vu
2
+ Linear operators strongly preserving r-potent matrices over semirings 1992 LeRoy B. Beasley
Sang‐Gu Lee
2
+ An infinite family of bounds on zeros of analytic functions and relationship to Smale’s bound 2004 Bahman Kalantari
2
+ The Hopf Bifurcation Theorem in infinite dimensions 1977 Michael G. Crandall
Paul H. Rabinowitz
2
+ Majorization, doubly stochastic matrices, and comparison of eigenvalues 1989 T. Andô
2
+ The combinatorial power of the companion matrix 1996 William Y. C. Chen
James D. Louck
2
+ Comparing the Zagreb indices for graphs with small difference between the maximum and minimum degrees 2008 Lingli Sun
Ting Chen
2
+ None 2003 Bahman Kalantari
Yi Jin
2
+ Linear operators strongly preserving digraphs whose maximum cycle length 1990 LeRoy B. Beasley
Norman J. Pullman
2
+ Are there any Julia sets for the Laguerre iteration function? 2003 Vasileios Drakopoulos
2
+ Boolean-rank-preserving operators and Boolean-rank-1 spaces 1984 LeRoy B. Beasley
Norman J. Pullman
2
+ Mathematics and its applications 2005 Shing Tung Yau
2
+ Linear maps that preserve matrices annihilated by a polynomial 1980 Ralph Howard
2
+ PDF Chat The enumeration of tree-like polyhexes 1970 Frank Harary
Ronald C. Read
2
+ Research problems from the Aveiro Workshop on Graph Spectra 2007 Dragan Stevanović
1
+ On Newton-type methods with cubic convergence 2004 Herbert H. H. Homeier
1
+ Spectra of graphs : theory and application 1995 Dragoš Cvetković
Michael Doob
H. Sachs
1
+ Linear transformations preserving the Grassmannian over Mn(Z+) 2003 LeRoy B. Beasley
Alexander Guterman
Sang‐Gu Lee
Seok-Zun Song
1
+ Controllability of semilinear differential equations and inclusions via semigroup theory in banach spaces 2005 Lech Górniewicz
Sotiris K. Ntouyas
Donal O’Regan
1