Publications

Refereed Int'l Journals
  1. Hari Nandan Nath, Urmila Pyakurel, Tanka Nath Dhamala, Stephan Dempe (2021), Dynamic Network Flow Location Models and Algorithms for Quickest Evacuation Planning, Journal of Industrial and Management Optimization (JIMO), 17(5): 2943-2970 doi: 10.3934/jimo.2020102.
  2. Durga Prasad Khanal, Urmila Pyakurel and Tanka Nath Dhamala (2021), Maximum Multi-Commodity Flow With Intermediate Storage, Journal of Mathematical Problems in Engineering, Hindawi Publications, Volume 2021, Article ID 5063207, https://doi.org/10.1155/2021/5063207. 
  3. Dipak Babu Amgain and Tanka Nath Dhamala (2021), Quckest flow algorithms with time-varying attributes, Journal of Institute of Science and Technology, 26(1),  Tribhuvan University, DOI: https://doi.org/10.3126/jist.v26i1.37826. 
  4. Hari Nandan Nath, Stephan Dempe, Tanka Nath Dhamala, A Bicriteria Approach for Saving a Path Maximizing Dynamic Contraflow, Asian Pacific Journal of Operational Research (APJOR),  2150027 (2021), \\ DOI: 10.1142/S0217595921500275. 
  5. Hari Nandan Nath, Urmila Pyakurel, Tanka Nath Dhamala, Network Reconfiguration  with Orientation Dependent Transit Times,  Journal of Mathematics and Mathematical Sciences, Hindawi, Volume 2021, Article ID 6613622, https://doi.org/10.1155/2021/6613622. 
  6. Shiva Prakash Gupta, Urmila Pyakurel and Tanka Nath Dhamala (2021), American Journal of Computational and Applied Mathematics 11(1), 12-17, DOI: 10.5923/j.ajcam.20211101.02. 
  7. Shiva Prakash Gupta, Urmila Pyakurel and Tanka Nath Dhamala (2021), Network Flows with Arc Reversals and Non-Symmetric Transit Times, American Journal of Mathematics and Statistics 11(2),  27-33,\\ doi:10.5923/j.ajms.20211102.01
  8. Urmila Pyakurel, Shiva Prakash Gupta, Durga Prasad Khanal, Tanka Nath Dhamala, Efficient Algorithms on Multi-Commodity Flow Over Time with Partial Lane Reversals, Journal of Mathematics and Mathematical Sciences, Hindawi 16(1), Volume 2020, Article ID 2676378, 13 pages.
  9. Shiva Prakash Gupta, Durga Prasad Khanal, Urmila Pyakurel, Tanka Nath Dhamala, Approximate Algorithms for Continuous-Time Quickest Multi-Commodity Contraflow Problem, The Nepali Mathematical Sciences Report, 37 (1 & 2), 2020.
  10. Iswar Mani Adhikari and Tanka Nath Dhamala, Minimum clearance time on prioritized integrated evacuation network, American Journal of Applied Mathematics, 8(4), 207-215, 2020.
  11. Tanka Nath Dhamala, Shiva Prakash Gupta, Durga Prasad Khanal, Urmila Pyakurel, Quickest Multi-Commodity Flow Over Time with Partial Lane Reversals, Journal of Mathematics and Statistics, 16(1), 198-211, 2020. 
  12. Iswar Mani Adhikari and Tanka Nath Dhamala, On the transit-based evacuation strategies in an integrated network topology, The Nepali Mathematical Sciences Report 37 (1 & 2).
  13. Iswar Mani Adhikari, Urmila Pyakurel and Tanka Nath Dhamala (2020), An integrated solution approach for the time minimization evacuation planning problem, International Journal of Operations Research, Taiwan, 17(1), 27-39, DOI: 10.6886/IJOR
  14. Ram Chandra Dhungana and Tanka Nath Dhamala, Flow Improvement in Evacuation Planning with Budget Constrained Switching Costs, International Journal of Mathematics and Mathematical Sciences, vol. 2020, Article ID 1605806, 2020. https://doi.org/10.1155/2020/1605806.
  15. Hari Nandan Nath, Urmila Pyakurel, Tanka Nath Dhamala, Stephan Dempe (2020), Dynamic Network Flow Location Models and Algorithms for Quickest Evacuation Planning, Journal of Industrial and Management Optimization (JIMO), doi: 10.3934/jimo.2020102. 
  16. Urmila Pyakurel, Hari Nandan Nath and Tanka Nath Dhamala (2019), Partial Contraflow with Path Reversals for Evacuation Planning, Annals of Operations Research (ANOR), DOI : 10.1007/s10479-018-3031-8, 283 (1-2), 591-612.   
  17. Urmila Pyakurel, Hari Nandan Nath, Stephan Dempe  and Tanka Nath Dhamala (2019), Efficient Dynamic Flow Algorithms for Evacuation Planning Problems with Partial Lane Reversal, Mathematics, 7(10), 993;  Special Issue "Advances and Novel Approaches in Discrete Optimization", \\ doi.org/10.3390/math7100993. 
  18. Ram Chandra Dhungana and Tanka Nath Dhamala (2019), Maximum FlowLoc Problems with Network Reconfiguration, International Journal of Operations Research (IJOR-TW), 16(1), 13-26, DOI: 10.6886/IJOR. 
  19. Hari Nandan Nath, Urmila Pyakurel, Stephan Dempe, Tanka Nath Dhamala (2019), A Path Saving Strategy with Arc Reversals for Evacuation Planning, International Journal of Innovative Knowledge Concepts, 7(1), 160-165.
  20. Santosh Gautam, Urmila Pyakurel and Tanka Nath Dhamala (2019), Generalized Dynamic Flow on Lossy Network, Journal of Institute of Engineering, Tribhuvan University, 15(2), 171-182, DOI: https://doi.org/10.3126/jie.v15i2.27664.  
  21. Durga Prasad Khanal, Shiva Prakash Gupta, Urmila Pyakurel and Tanka Nath Dhamala (2019), An Approximation for General Transit Time Function, International Journal of Operational Research, Nepal (IJORN), 8(1), 13-25. 
  22. Hari Nandan Nath and Tanka Nath Dhamala (2018), Network Flow Approach for Locating Optimal Sink in Evacuation Planning, International Journal of Operational Research Society (IJOR-TW), 15(4), 175-185, DOI: 10.6886/IJOR. 
  23. Ram Chandra Dhungana and Tanka Nath Dhamala (2018), Abstract Earliest Arrival Transshipment  with Network Reconfiguration, The Nepali Mathematical Sciences Report 35(1-2), 1-9. 
  24. Durga Prasad Khanal, Urmila Pyakurel and Tanka Nath Dhamala (2018), Flow Over Time Problem with Inflow-Dependent Transit Times, Journal of the Institute of Science and Technology, Tribhuvan University, 23:49-56, DOI:  https://doi.org/10.3126/jist.v23i1.22161.
  25. Tanka Nath Dhamala, Urmila Pyakurel and Stephan Dempe (2018), A Critical Survey on the  Network Optimization Algorithms for Evacuation Planning Problems, International Journal of Operations Research (IJOR-TW), 15(3), 101-133. 
  26. Tanka Nath Dhamala and Iswar Mani Adhikari (2018), On Evacuation Planning Optimization Problems from Transit-based Perspective, International Journal of Operations Research (IJOR-TW), 15(1), 29-47. 
  27. Urmila Pyakurel, Hari Nandan Nath and Tanka Nath Dhamala (2018), Efficient Contraflow Algorithms for Quickest Evacuation Planning, Science China Mathematics, 61(11), 2079-2100,\\ DOI : 10.1007/s11425-017-9264-3. 
  28. Ram Chandra Dhungana, Urmila Pyakurel and Tanka Nath Dhamala (2018), Abstract Contraflow Models and Solution Procedures for Evacuation Planning, Journal of Mathematics Research, \\ DOI : 10.5539/jmr.v10n4p89, 10(4), 89-100. 
  29. Urmila Pyakurel, Tanka Nath Dhamala and Stephan Dempe (2017), Efficient Continuous Contraflow Algorithms for Evacuation Planning Problems, Annals of Operations Research (ANOR), 254(1 & 2), 335-364, DOI : 10.1007/s10479-017-2427-1.
  30. Urmila Pyakurel and Tanka Nath Dhamala (2017), Evacuation Planning by Earliest Arrival Contraflow,  Journal of Industrial and Management Optimization (JIMO), (AIMS Journals), 13(1), 489-503, DOI : 10.3934/jimo.2016028. 
  31. Urmila Pyakurel and Tanka Nath Dhamala (2017), Continuous Dynamic Contraflow Approach for Evacuation Planning, Annals of Operations Research (ANOR), 253(1), 1-26, DOI: 10.1007/s10479-016-2302-5.
  32. Urmila Pyakurel and Tanka Nath Dhamala (2016), Continuous Time Dynamic Contraflow Models and Algorithms, Hindawi,  Advances in Operations Research,  volume 2016, 1-7, DOI:http://dx.doi.org/10.1155/2016/7902460.
  33. Tanka Nath Dhamala and Urmila Pyakurel (2016), Significance of Transportation Network Models in Emergency Planning of Urban Cities, International Journal of Cities, People and Places, 1(2), 58-76.
  34. Urmila Pyakurel, Marc Goerigk, Tanka Nath Dhamala and Horst W. Hamacher (2016), Transit Dependent Evacuation Planning for Kathmandu Valley: A Case Study, International Journal of Operational Research, Nepal (IJORN), 5, 49-73. 
  35. Urmila Pyakurel and Tanka Nath Dhamala (2015), Models and Algorithms on Contraflow Evacuation Planning Network Problems, International Journal of Operations Rssearch (IJOR-TW), 12(2), 36-46. 
  36. Ram Chandra Dhungana, Urmila Pyakurel, Shree Ram Khadka and Tanka Nath Dhamala (2015), Efficient Algorithm on Universally Maximum Contraflow, International Journal of Operational Research, Nepal (IJORN), 4, 67-78. 
  37. Tanka Nath Dhamala, A Survey on Models and Algorithms for Discrete Evacuation Planning Network Problems (2015), AIMS Journals, Journal of Industrial and Management Optimization (JIMO), 11, 265-289.
  38. Urmila Pyakurel, Tanka Nath  Dhamala and Horst W. Hamacher (2014), Generalized Maximum Dynamic Contraflow on Lossy Network, International Journal of Operational Research, Nepal (IJORN), 3, 27-44.
  39. Urmila Pyakurel and Tanka Nath Dhamala (2014), Earliest Arrival Contraflow Model for Evacuation Planning, Neural, Parallel and Scientific Computations [CNLS-2013]. 01/2014; 22(3), 441-450.
  40. Puja Bhatt and Tanka Nath Dhamala (2014), Scheduling Jobs to Minimize the Number of Late Jobs, International Journal of Computer Applications (IJCA), January 2014.
  41. Tanka Nath Dhamala and Urmila Pyakurel (2013), Earliest Arrival Contraflow Problem on Series-Parallel Graphs, International Journal of Operations Research (IJOR-TW), 10, 1-13. 
  42. Ram Krishna Dahal, Jagdish Bhatta, Tanka Nath Dhamala (2013), Performance Analysis of SHA-2 and SHA-3 Finalists, International Journal on Cryptography and Information Security (IJCIS), 3(3).
  43. Tej Bahadur Shahi, Bikash Balami, Tanka NathDhamala (2013), Support Vector Machines Based Part of Speech Tagging for Nepali Text, International Journal of Computer Applications, 70(24), 38-42, 10.5120/12217-8374. 
  44. Teruaki Ohnishi, Shree Ram Khadka, Gustavo Hernández Sánchez and Tanka Nath Dhamala (2013), Environmental Attitude of Young Nepalese and its Comparison with the Attitude of Environmentally Developed Costa Ricans, RISE International Journal of Sociology of Education  2, 2013, 26-50.
  45. Micheal Andresen and Tanka Nath Dhamala (2012), New Algorithms and Complexity Status of the Reducibility Problem of Sequences in Open Shop Scheduling Minimizing the Makespan, Annals of Operations Research,  196(1), DOI : 10.1007/s10479-012-1075-8.
  46. Tanka Nath Dhamala, Gyan Bahadur Thapa, and Hong-Nian  Yu (2012), An Efficient Frontier for Sum Deviation JIT Sequencing Problem  in  Mixed-Model  Systems  via  Apportionment;  International  Journal of  Automation and Computing, 9(1), 87-97.
  47. Shree Ram Khadka and Tanka Nath Dhamala (2012): Relation between Optimal Sequences of the Bottleneck Product Rate Variation Problem with Different Objectives, International Journal of Operational Research, Nepal (IJORN), 1, 49-56.
  48. Shree Ram Khadka and Tanka Nath Dhamala (2011), Optimality of the Cyclic Sequence on Bottleneck Product Rate Variation Problem with a General Objective, The Nepali Mathematical Sciences Report, 31, 87-94.
  49. Tanka Nath Dhamala (2011), A Brief Review on the Reducibility of Shop Sequences Minimizing Some Regular Objectives, The Nepali Mathematical Sciences Report, 31, 95-106.
  50. Tanka Nath Dhamala (2011), An Efficient Algorithm for the Bottleneck Product Rate Variation Problem with Precedence Constraints, Journal of Kathmandu University, Science Engineering and Technology, 7, 63-73.
  51. Tanka Nath Dhamala (2011), Alternate Formulations of the Reducibility Problem of Open Shop Sequences Minimizing the Makespan, Journal of Institute of Engineering, Tribhuvan University, Nepal, 8, 243-254.
  52. Gyan Bahadur Thapa, Tanka Nath Dhamala and Shankar Paj Pant (2011), Cross-Docking Operations for Supply Chain Logistics in JIT Production and Distribution Systems, Journal of the Institute of Engineering, TU-Nepal, 8, 219-230.
  53. Tanka Nath Dhamala, Shree Ram Khadka and Chuda Mani Poudyal (2011), Optimal Bottleneck Mixed-Model Just-in-Time Production Sequences, Journal of Institute of Engineering, TU-Nepal, 17, 81-102.
  54. Tanka Nath Dhamala (2010), On the Status of Irreducibility Problems of Open Shop Sequencing Problems, Nepal Journal of Science and Technology (NAST), 11, 205-214.
  55. Tanka Nath Dhamala (2010), Amazing Roles of Diagonal Edges on the Reducibility Problem of Open Shop Sequences Minimizing the Makespan, The Nepali Mathematical Sciences Report, 30, 96-110.
  56. Shree Ram Khadka and Tanka Nath Dhamala (2010), On Bottleneck Product Rate Variation Problem with Batching, Iranian Journal of Optimization (IJO), 3, 477-491.
  57. Tanka Nath Dhamala, Shree Ram Khadka and Moon Ho Lee (2010), A Note on Bottleneck Product Rate Variation Problem with Square-Deviation Objective, International Journal of Operational Research (IJOR-TW), 7, 1-9.
  58. Heidemarie Braesel, Tanka Nath Dhamala and Bettina Matzke (2010), Neighborhood Classes of H-Comparability Graphs, The Nepali Mathematical Sciences Report, 30, 36-52.
  59. Gyan Bahadur Thapa, Tanka Nath Dhamala and Hong-Nian  Yu. (2010): Mathematical Models of Cross-docking Operations in Supply Chain Logistics under Multi-level Just-in-Time Production Environment, The Nepali Mathematical Sciences Report, 30, 24-35.
  60. Tanka Nath Dhamala (2010), Some Discrete Optimization Problems with Hamming and H-comparability Graphs, Tribhuvan University Journal, Nepal, 27, 167-176.
  61. Tanka Nath Dhamala and Shree Ram Khadka (2009), A Review on Sequencing Approaches for Mixed-Model Just-in- Time Production Systems. Iranian Journal of Optimization (IJO), 1, 266-290. 
  62. Gyan Bahadur Thapa and Tanka Nath Dhamala (2009), Just-in-Time Sequencing in Mixed-Model Production Systems Relating with Fair Representations in Apportionment Theory, The Nepali Mathematical Sciences Report, 29, 29-68.
  63. Tanka Nath Dhamala and Shree Ram Khadka (2008), Bottleneck Product Rate Variation Problem with Absolute Deviation Objective, The Nepali Mathematical Sciences Report, 28, 57-65.
  64. Tanka Nath Dhamala and Gyan Bahadur Thapa (2008), Apportionment Approach for Just-in-Time Sequencing Problem, Journal of the Institute of Engineering, TU-Nepal, 7, 1-15.
  65. Tanka Nath Dhamala (2007), On the Potentially Optimal Solutions of Classical Shop Scheduling Problems. International Journal of Operational Research (IJOR-TW), 4, 80-89.
  66. Tanka Nath Dhamala and Wieslaw Kubiak (2005), A Brief Survey of Just-In-Time Sequencing for Mixed-Model Systems, International Journal of Operational Research (IJOR-TW), 2, 38-47.
  67. Tanka Nath Dhamala (2005), Balancing Just-in-Time Sequences in Mixed-Model Production Systems,The Nepali Mathematical Sciences Report, 25, 17-27.
  68. Tanka Nath Dhamala (2005), Just-in-Time Sequencing Algorithms for Mixed-Model Production Systems,The Nepali Mathematical Sciences Report, 24, 25-34.
  69. Tanka Nath Dhamala (2004), On the Structure  of  Sequences  in  Shop  Scheduling  Problems, The Nepali Mathematical Sciences Report, 22, 25-38.
  70. Tanka Nath Dhamala (2003), On  Algebraic   Characterizations   in   Shop   Scheduling   Problems, The Nepali Mathematical Sciences Report, 21, 43-55.
  71. Tanka Nath Dhamala  (2002), Recognition and Isomorphism Algorithms  of  Shop  Graphs, The Nepali Mathematical Sciences Report, 20, 17-31.
  72. Tanka Nath Dhamala (1998), Mathematical Models and Algorithms for Certain Open Shop Problems with Unit Processing Times, The Nepali Mathematical Sciences Report, 17, 79-88.