Email: trungkien@ctu.edu.vn
Career
2017now: Head of Department, Department of Mathematics Education, School of Education, Can Tho University, Viet Nam
20142017: Lecturer, Department of Mathematics Education, School of Education, Can Tho University, Viet Nam
Academic Degrees
2014: PhD in in Combinatorial Optimization (Kaiserslautern University of Technology, Germany)
2011: Master in Science (Kaiserslautern University of Technology, Germany)
2008: Bachelor in Mathematics Education (Can Tho University, Vietnam)
Research interest
Location theory, inverse optimization, computer science, algorithm design
Publications
Publications 
Citations

Year 

The Minmax Regret Reverse 1Median Problem on Trees with Uncertain Vertex Weights
THN Nhan, KT Nguyen, H NguyenThu
AsiaPacific Journal of Operational Research, 2250033

1  2022 
A linear time algorithm for connected pcentdian problem on block graphs
KT Nguyen, WC Teh, NT Hung, H NguyenThu
Theoretical Computer Science 923, 318326

1  2022 
The connected median problem on complete multilayered graphs
KT Nguyen, THN Nhan, WC Teh, NT Hung
Discrete Mathematics, Algorithms and Applications 14 (03), 2150118

2  2022 
The minmax regret inverse maximum weight problem
KT Nguyen, NT Hung
Applied Mathematics and Computation 407, 126328

1  2021 
Inverse stable point problem on trees under an extension of Chebyshev norm and Bottleneck Hamming distance
VH Pham, KT Nguyen, TT Le
Optimization Methods and Software 36 (4), 755772

3  2021 
Ranks of strictly minimal reaction systems induced by permutations
WC Teh, KT Nguyen, CY Chen
Theoretical Computer Science 872, 114

3  2021 
The reverse total weighted distance problem on networks with variable edge lengths
KT Nguyen, NT Hung
Filomat 35 (4), 13331342

2021  
The Uniform Cost Reverse 1Centdian Location Problem on Tree Networks with Edge Length Reduction
KT Nguyen, WC Teh
Vietnam Journal of Mathematics, 117

1  2021 
On the existence and stability of solutions to stochastic equilibrium problems
LQ Anh, NX Hai, KT Nguyen, NH Quan, DTM Van
RAIROOperations Research 55, S705S718

2  2021 
Inverse group 1median problem on trees
KT Nguyen, VNM Hieu
Journal of Industrial and Management Optimization 17 (1), 221232

3  2020 
Computational aspects of the inverse single facility location problem on trees under lknorm
KT Nguyen, NT Hung
Theoretical Computer Science 844, 133141

2020  
A linear time algorithm for the pmaxian problem on trees with distance constraint
TK Nguyen, NT Hung, H NguyenThu
Journal of Combinatorial Optimization 40 (4), 10301043

1  2020 
The inverse connected pmedian problem on block graphs under various cost functions
KT Nguyen, NT Hung
Annals of Operations Research 292 (1), 97112

7  2020 
Inverse Anticentrum Problem on Networks with Variable Edge Lengths
KT Nguyen
Taiwanese Journal of Mathematics 24 (2), 501522

2  2020 
Combinatorial algorithms for the uniformcost inverse 1center problem on weighted trees
KT Nguyen, H NguyenThu, NT Hung
Acta Mathematica Vietnamica 44, 813831

5  2019 
Inverse 1median problem on trees under mixed rectilinear and Chebyshev norms
KT Nguyen
Theoretical Computer Science 795, 119127

6  2019 
On some inverse 1center location problems
KT Nguyen, NT Hung, H NguyenThu, TT Le, VH Pham
Optimization 68 (5), 9991015

10  2019 
A linear time algorithm for balance vertices on trees
KT Nguyen, TT Le
Discrete Optimization 32, 3742

1  2019 
The inverse 1center problem on cycles with variable edge lengths
KT Nguyen
Central European Journal of Operations Research 27, 263274

11  2019 
Linear time optimal approaches for maxprofit inverse 1median location problems
E Afrashteh, B Alizadeh, F Baroughi, KT Nguyen
AsiaPacific Journal of Operational Research 35 (05), 1850030

5  2018 
On the complexity of inverse convex ordered 1median problem on the plane and on tree networks
KT Nguyen, H NguyenThu, NT Hung
Mathematical Methods of Operations Research 88, 147159

12  2018 
Inverse Fractional Knapsack Problem with Profits and Costs Modification
KT Nguyen, HD Quoc
arXiv preprint arXiv:1704.00145

1  2017 
On Hölder continuity of approximate solution maps to vector equilibrium problems
LQ Anh, KT Nguyen, TN Tam
Turkish Journal of Mathematics 41 (6), 15911607

5  2017 
Some polynomially solvable cases of the inverse ordered 1median problem on trees
KT Nguyen
Filomat 31 (12), 36513664

6  2017 
A simple linear time algorithm for computing a 1median on cactus graphs
KT Nguyen, PV Chien, LH Hai, HD Quoc
Applications and Applied Mathematics: An International Journal (AAM) 12 (1), 5

2  2017 
The inverse pmaxian problem on trees with variable edge lengths
KT Nguyen, PT Vui
Taiwanese Journal of Mathematics

16  2016 
A model for the inverse 1median problem on trees under uncertain costs
KT Nguyen, NTL Chi
Opuscula Mathematica

23  2016 
The inverse 1center problem on trees with variable edge lengths under Chebyshev norm and Hamming distance
KT Nguyen, AR Sepasian
Journal of Combinatorial Optimization

50  2015 
Inverse kcentrum problem on trees with variable vertex weights
KT Nguyen, LQ Anh
Mathematical Methods of Operations Research

24  2015 
Inverse 1Median Problem on Block Graphs with Variable Vertex Weights
KT Nguyen
Journal of Optimization Theory and Applications

40  2015 
The Inverse Convex Ordered 1Median Problem on Trees under Chebyshev Norm and Hamming Distance
KT Nguyen, A Chassein
European Journal of Operational Research

26  2015 
Reverse 1center problem on weighted trees
KT Nguyen
Optimization

27  2015 
Inverse Location Theory with Ordered Median Function and Other Extensions
KT Nguyen
Epubli

4  2014 
The 2maxian problem on cactus graphs
L Kang, C Bai, E Shang, K Nguyen
Discrete Optimization 13, 1622

5  2014 
Inverse eccentric vertex problem on networks
KT Nguyen, A Chassein
Central European Journal of Operations Research

25  2014 