Publications

Refereed Int'l Journals
  1. Santosh Gautam, Urmila Pyakurel and Tanka Nath Dhamala (2019), Generalized Dynamic Flow on Lossy Network, Journal of Institute of Science and Technology, Tribhuvan University (to appear).
  2. 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.
  3. Tanka Nath Dhamala, Urmila Pyakurel, Stephan Dempe (2018), A Critical Survey on the  Network Optimization Algorithms for Evacuation Planning Problems, International Journal of Operations Research (TW), 15(3), 101-133.
  4. Urmila Pyakurel, Hari Nandan Nath, Tanka Nath Dhamala (2018), Partial Contraflow with Path Reversals for Evacuation Planning, Annals of Operations Research, DOI 10.1007/s10479-018-3031-8.
  5. Ram Chandra Dhungana, Urmila Pyakurel and Tanka Nath Dhamala (2018), Abstract Contraflow Models and Solution Procedures for Evacuation Planning, Journal of Mathematics Research, 10(4), August 2018, doi:10.5539/jmr.v10n4p89
  6. Urmila Pyakurel, Hari Nandan Nath, Tanka Nath Dhamala (2018), Efficient contraflow algorithms for quickest evacuation planning, Science China Mathematics, DOI 10.1007/s11425-017-9264-3.
  7. 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, Vol. 15, No. 3, 101-133.
  8. Urmila Pyakurel (2018); Network Flow Models for Evacuation Planning, Journal of the Institute of Engineering(JIE), 13 (1), 90-101.
  9. Urmila Pyakurel (2018); Generalized Contraflow for Evacuation Planning Problem, Journal of Nepal Mathematical Society (JNMS), 1 (1), 38-49.
  10. Urmila Pyakurel (2017); Efficient Algorithms for Contraflow Reconfiguration in Evacuation Planning, Neural, Parallel, and Scientific Computations 25 (3 & 4), 469–484.
  11. Urmila Pyakurel, Tanka Nath Dhamala and Stephan Dempe (2017), Efficient Continuous Contraflow Algorithms for Evacuation Planning Problems, Annals of Operations Research (ANOR), 1-30, DOI: 10.1007/s10479-017-2427-1.
  12. Urmila Pyakurel and Tanka Nath Dhamala (2016), Continuous Dynamic Contraflow Approach for Evacuation Planning, Annals of Operations Research (ANOR), published, 1-26, DOI: 10.1007/s10479-016-2302-5. 
  13. Urmila Pyakurel (2016), Transshipment contraflow on multi-terminal networks. The Nepal Math. Sc. Report, 34(1&2), 39-45.
  14. Urmila Pyakurel and Tanka Nath Dhamala (2016), Continuous time dynamic contraflow models and Algorithms. Advanced in Operations Research, Volume 2016, 1-6, Hindawi Publishers. 
  15. Tanka Nath Dhamala and Urmila Pyakurel (2016). Significance of transportation network models in emergency planning of urban cities. Int'l Journal of Cities, People and Places, 1(2), 58-76. 
  16. Urmila Pyakurel and Tanka Nath Dhamala (2016), Evacuation planning by earliest arrival contraflow, AIMS Journals, Journal of Industrial and Management Optimization (JIMO), doi:10.3934/jimo.201602.
  17. 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.
  18. Urmila Pyakurel and Tanka Nath Dhamala (2015), Models and algorithms on contraflow evacuation planning network problems, International Journal of Operations Research (Taiwan), 12(2): 36-46.
  19. Ram Chandra Dhungana, Urmila Pyakurel, Shree Ram Khadka and Tanka Nath Dhamala (2015), Efficient algorithm on universally maximum contraflow, International Journal of Operations Research Nepal, 4, 67-78.
  20. Urmila Pyakurel, Tanka Nath Dhamala and HorstW. Hamacher (2014), Generalized maximum dynamic contraflow on lossy network, International Journal of Operational Research, Nepal, 3, 27-44.
  21. 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.
  22. Tanka Nath Dhamala and Urmila Pyakurel (2013), Earliest Arrival Contraflow Problem on Series- Parallel Graphs, International Journal of OR (IJOR-TW), 10, 1-13.