I am interested in all areas in Graph Theory ( particularly Spectral Graph Theory, ExtremalGraph Theory, Molecular Graph Theory), Graph Labeling, Graph Algorithm, Discrete Mathematics and Combinatorics.
학력
(PhD) 2000 ? 2004, Department of Mathematics, Indian Institute of Technology
약력/경력
2007.9? 2009.8, Lecturer/Assistant Professor, Department of Mathematics, College of Science, SungKyunKwan University,
2005.10 ? 2006.10, Postdoc, Laboratoire de Recherche en Informatique (LRI), France.
2006.11 ? 2007.8, Postdoc and Teaching, Department of Mathematics, College of Science, SungKyunKwan University, SOUTH KOREA.
2005.3 ? 2005.9, Postdoc, Pohang University of Science and Technology, SOUTH KOREA.
2005.10 ? 2006.10, Postdoc, Laboratoire de Recherche en Informatique (LRI), France.
2006.11 ? 2007.8, Postdoc and Teaching, Department of Mathematics, College of Science, SungKyunKwan University, SOUTH KOREA.
학술지 논문
(2026)
On Diameter-Constrained Unicyclic Graphs and BID Indices.
MEDITERRANEAN JOURNAL OF MATHEMATICS.
23,
41
(2026)
Solutions to open problems on the exponential augmented Zagreb index.
DISCRETE MATHEMATICS.
349,
114967
(2026)
On diameter-constrained trees and BID indices.
JOURNAL OF APPLIED MATHEMATICS AND COMPUTING.
72,
71
(2025)
Proof of a Conjecture on the Atom-Bond
Sum-Connectivity Index of Bicyclic Graphs.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
95,
3
(2025)
Resolving Open Problems on the Euler Sombor Index.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
95,
3
(2025)
Resolving the Conjecture of Tricyclic Graphs Minimizing the Diminished Sombor Index.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
95,
3
(2025)
Proof of an open problem on the maximization of the Euler–Sombor index in chemical unicyclic graphs.
CHAOS SOLITONS & FRACTALS.
203,
117720
(2025)
Augmented Sombor Index.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
95,
1
(2025)
General Sombor index: a study of branching in trees and
solution for maximal trees with prescribed maximum degree.
JOURNAL OF COMBINATORIAL OPTIMIZATION.
50,
21
(2025)
Exponential Harmonic Index and Its Applications in Structure Property Modeling.
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY.
125,
1
(2025)
On the Energy of Graphs with Self-loops.
MEDITERRANEAN JOURNAL OF MATHEMATICS.
22,
139
(2025)
Proof of a Conjecture on Sombor Index and the Least Sombor Eigenvalue of Graphs.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
94,
6
(2025)
The General Sombor Index of Extremal Trees with a Given Maximum Degree.
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY.
94,
6
(2025)
On Elliptic Sombor Index with Applications.
BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY.
48,
108
(2025)
On the Szeged–Sombor Index of Graphs.
MATHEMATICAL NOTES.
117,
4
(2025)
A complete solution for maximizing the general Sombor index of chemical trees with given number of pendant vertices.
APPLIED MATHEMATICS AND COMPUTATION.
505,
129532
(2025)
Resolving an Open Problem on the Exponential Arithmetic–Geometric Index of Unicyclic Graphs.
MATHEMATICS.
13,
1391
(2025)
On the vertex degree function of graphs.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS.
44,
183
(2025)
Role of GA, AG and R in Structure-Property Modelling.
POLYCYCLIC AROMATIC COMPOUNDS.
45,
2
단행본
(2015)
The Harary Index of a Graph.
Springer.
공동
학술회의논문
(2016)
On energy, Laplacian energy and signless Laplacian energy of graphs.
The 12th Annual Meeting of the International Academy of Mathematical Chemistry.
중국
(2016)
On (signless) Laplacian eigenvalues of graphs.
Spectra of graphs and applications 2016.
세르비아(2)
(2015)
On Laplacian eigenvalues of graphs.
46th Annual Iranian Mathematics Conference.
이란
(2014)
Proof of conjectures on the distance signless Laplacian eigenvalues of graphs.
중국
(2014)
On Kirchhoff index, Laplacian energy and Laplacian-energy-like invariant of graphs.
2014 Annual Meeting of the Korean Society for Industrial and Applied Mathematics.
대한민국
(2014)
Relation between energy of different matrices from graph.
Eighth Shanghai Conference On Combinatorics.
중국
(2014)
Eigenvalues of graph matrices and graph parameters.
Moscow Workshop on Combinatorics and Number Theory.
러시아
(2013)
The relation between the eigenvalues of graph matrices with graph parameters.
The second workshop on spectral graph theory and related topics.
일본
(2013)
Sharp bounds for energy of graphs.
International conference on algebra.
튀르키예
전시/발표회
(2024)
On vertex-degree-based exponential topological indices of
graphs.
중국,