Seminar/Workshop/Conference

Invited Speaker: OR Models for Congestion Reduction and Emergency Relief: A Collaborative Outcome, International Conference "Interdisciplinary Collaboration for Strengthening Science and Culture". KHK-2022, Organized by Humboldt Club Nepal, October 16-19, 2022.
Invited Speaker: Innovation and Knowledge Management - Chaotic Transport Optimization for Sustainable Development, 9th National Conference on Science and Technology "Science for Society and Innovation for Prosperity", June 26-28, 2022.
Member and Session Chair: International Conference "Interdisciplinary Collaboration for Strengthening Science and Culture", KHK-2022, Organized by Humboldt Club Nepal. October 16-19, 2022.
Patron: Infectious Disease Workshop - Mathematical Modeling for Epidemic Control and Prevention (Jointly organized by Central Department of Mathematics, Nepal Health Research Council - Government of Nepal and San Diego State University, USA; June 21-24, 2022).
Guest of honor and plenary speaker and session chair: Network Reconfiguration for Optimal Evacuation Plans, International Conference Advances in Mathematics & Computing (ICAMC - 2020), Department of Mathematics, Veer Surendra Sai University of Technology Siddhi Vihar, Burla, Odisha, February 7-8.
Member: Scientific Committee, 22nd International Mathematics Conference (Virtual), organized by Bangladesh Mathematical Society December, December 10-11, 2021.
Guest of honor and keynote speaker: Computational Hardness of Evacuation Planning
Problem, 3rd International Conference on Advanced Mathematical Analysis & Its Applications (ICAMAA-2020), P.G. Department of Mathematics Berhampur University Bhanja Bihar, Odisha, February 4-5.
Talk: Efficient Algorithms for Evacuation Planning Problems, Department of Mathematics, South Asian University, New Delhi, India, February 3, 2020.
Talk: Network Reconfiguration for Optimal Evacuation Plans, Siksha ‘O’ Anushandhan University (Deemed to be University), Odisha, India, February 6, 2020.
Poster: GraThO (Graph Theory and Optimization for the Industry and Society), DAAD - ASIA Network Conference. Myanmar, November 11-13, 2019.
Guest of honor and invited session chair: International Conference on Applied Mathematics in Science and Engineering, Center for Applied Mathematics and Computating and Department of Mathematics of SOA (Deemed to be University), Odisha, India, October 24-26, 2019.
Invited talk: Significance of dynamic network attributes in realizing the emergency planning optimal solutions, International Conference on Applied Mathematics in Science and Engineering, Center for Applied Mathematics & Computating and Department of Mathematics of SOA (Deemed to be University), Odisha, India, October 24-26, 2019.
Talk: Optimal Network Topology for the Maximization of Dynamic Flows, Institute for Mathematical Research (INSPEM), Universiti Putra Malaysia (UPM), August 31, 2019.
Talk: Dynamic Network Flow Algorithms for the Quickest Evacuation Planning Problem. LIAS Seminar, University of Luxembourg, June 24, 2019.
Talk: Optimal Network Topology for the Quickest Evacuation Planning, Research Seminar, TU Bergakademie Freiberg, Germany, June 11, 2019.
Member, International Scientific Committee: International Conference on Applied Mathematics, Modeling, Simulation and Optimization (AMMSO2019), April 21-22, 2019 in Guilin, China.
Plenary speaker (invited): International Conference on Mathematical Optimization - Silkroad Mathematics Center Series International Conferences on April 8-13, 2019, Beijing, China, Organized by Chinese Mathematical Society and Academy of Mathematics and Systems Science,Chinese Academy of Sciences (AMSS,CAS).
Plenary speaker (invited): The 12th International Conference on Numerical Optimization and Numerical Linear Algebra on April 15-18,2019, Shangrao, Jiangxi, China, Organized by Chinese Mathematical Society and Academy of Mathematics and Systems Science,Chinese Academy of Sciences (AMSS, CAS).
Session Chair: The 12th International Conference on Numerical Optimization and Numerical Linear Algebra on April 15-18,2019, Shangrao, Jiangxi, China, Organized by Chinese Mathematical Society and Academy of Mathematics and Systems Science,Chinese
Academy of Sciences (AMSS,CAS).
Talk: Flow Models and Solution Strategies for Evacuation Planning Problems, Department of Mathematics, Technical University University Berlin, Germany, December 5, 2018.
Talk: Insights on Dynamic Network Flow Problems for Evacuation Planning, Department of Mathematics, University of Kaiserslautern, November 26, 2018.
Honorable Speaker and Advisory Board Member, International Conference on Recent Advances in Informatics, Communication, Management, Health and Applied Sciences, Brainware University, Kolkata, February 2-4, 2019.
Convener, 2nd International Conference on Advanced in Computational Mathematics, Organized by Central Department of Mathematics, Tribhuvan University and South Asian University, December 23-24, Kathmandu, Nepal.
Member, International Advisory Board, 23rd International Conference of International Academy of Physical Sciences, Advances on Physical Sciences to Achieve Sustainable Development Goals, Organized by NAST, Kathmandu, Nepal, November 16-18, 2018.
Coordinator- Scientific Committee: 11th Triennial Conference of Association of Asia Pacific Operational Research Societies (APORS-2018), August 6-9, Kathmandu, Nepal.
Member, Scientific Committee, the fifth international conference on ‘Cities, People & Places’ – ICCPP2017, Sri Lanka Foundation Institute, Colombo, Sri Lanka.
Chair, Organizing Committee, National Conference on Mathematics and Its Applications, January 11-13, 2017, Chitwan, Nepal.
Convener, International Conference on Applications of Mathematics in Nonlinear Sciences, May 26-29, 2016, in Kathmandu, Nepal.
Chair-Plenary: 11th Triennial Conference of Association of Asia Pacific Operational Research Societies (APORS-2018), August 6-9, Kathmandu, Nepal.
Talk -Plenary: Strength and Weakness of Flow Models and Solution Strategies in Emergency Planning, 11th Triennial Conference of Association of Asia Pacific Operational Research Societies (APORS-2018), August 6-9, Kathmandu, Nepal.
Convener, International Conference on Applications of Mathematics to Nonlinear Sciences, May 26-29, 2016, Kathmandu, Nepal.
Talk: Network Flow Algorithms for Evacuation Planning Problems, School of Mathematics and Computational Science, Xiangtan University, China, July 24-26, 2018.
Keynote speech: On the Hardness of Network Optimization Algorithms in Emergency Management, International Conference on "Advances in Science and Technology, May 04-05, 2018, Swami Keshvanand Institute of Technology, Management & Gramothan, Jaipur (INDIA).
Organizer: Workshop on Convex Optimization, Alexander von Humboldt Foundation under the Research Group Linkage Program, Feb 27-March 7, 2018, Kathmandu, Principal Resource Person - Prof. Stephan, Dempe, TU Bergakademie Freiberg, Germany.
Organizer: Workshop on Linear, Integer and Multi-Criteria Optimization, German Academic Exchange Service under the DAAD Partnership Program, March 12 - April 23, 2018, Kathmandu, Principal Resource Person - Prof. Sven O. Krumke, University of Kaiserslautern, Germany.
Talk: Flow over Time Problems with Variable Attributes, Research Seminar, TU Bergakedemie, Freiberg, Germany, January 18, 2018.
Talk: Influence of Contraflow Reconfiguration for Dynamic Flow Models on Congested Networks, Research Seminar, UMD-FMA, Germany, December 12, 2017.
Co-organizer (with Urmila Pyakurel and Marc Goerigk): Preparation Workshop for UK-Nepal Cooperation in Emergency Management Research (Optimization Models for Disaster Resilience in Nepal), Jointly organized by Lancaster University, United Kingdom and Central Department of Mathematics, Tribhuvan University, Kathmandu, Nepal, September 1-2, 2017.
Talk: Highlights and Implementation Challenges of Emergency Planning Models for Kathmandu, Preparation Workshop for UK-Nepal Cooperation in Emergency Management Research (Optimization Models for Disaster Resilience in Nepal), Jointly organized by Lancaster University, United Kingdom and Central Department of Mathematics, Tribhuvan University, Nepal, September 1-2, 2017.
Invited Talk: Dynamic Flow Models and Algorithms for Evacuation Planning, International Conference on Computational Modelling and Simulation (ICCMS-2017), Sri-Lanka, May 17-19, 2017.
Session Chair: International Conference on Computational Modelling and Simulation (ICCMS-2017), Sri-Lanka, May 19, 2017.
Talk: Model Variants and Solution Strategies of Evacuation Planning Problems, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing, China, April 19, 2017.
Organizer: Workshop on Advanced Network Flows, German Academic Exchange Service under the DAAD Partnership Program, March 26 - April 6, 2017, Kathmandu, Principal Resource Person - Prof. Sven O. Krumke, University of Kaiserslautern, Germany.
Organizer: Workshop on Bilevel Optimization, Alexander von Humboldt Foundation under the Research Group Linkage Program, Feb 28-March 7, 2017, Kathmandu, Principal Resource Person - Prof. Stephan, Dempe, TU Bergakademie Freiberg, Germany.
Talk: Impacts of OR Solution Strategies in Real-Life, National Conference on Mathematics and Its Applications, January 11-13, 2017, Chitwan, Nepal.
Talk: Meaningfulness of Emergency Planning Strategies, Colloquium, Chinese Mathematical Society, China Academy of Sciences (Mathematical and System Sciences), Beijing, December 9, 2016.
Talk: Models and Algorithms of Evacuation Planning Problems, Research Seminar, TU Bergakedemie, Freiberg, Germany, October 24, 2016.
Participation, workshop on Optimization and Graph Theory for Industry and Society, MSU-IIT, Philippines, June 13-24, 2016.
Plenary talk: Impact of Network Flow Models on Emergency Planning, International Conference on Applications of Mathematics to Nonlinear Sciences, May 26-29, Kathmandu, Nepal.
Paper: On the meaningfulness of OR models and algorithms for emergency planning, International Conference - Humboldt Kolleg, Living under Tthreat of Earthquake, Kathmandu Nepal, Feb. 19-22, 2016, page- 13.
Talk: Significance of Transportation Network Models in Emergency Planning of Urban Cities, Third International Urban Design Conference - Cities, People and Places (ICCPP -2015), October 26-28, 2015, Colombo, Sri Lanka.
Keynote Speaker: Relevance of OR Models in Evacuation Optimization, Mathematics Day, Central Department of Mathematics, Tribhuvan University.
Talk: Evacuation Planning: A Case Study for Kathmandu; Nepal German Academic Association (NEGAAS), April 11, 2015.
Participation: Alumni Workshop, Research on Migration from Nepal, March 19, 2015, Kathmandu, Nepal.
Talk (key note), OR Models for Evacuation Planning: Kathmandu Metropolitan Perspective, National Conference of ORSN, Feburary 1, 2015.
Talk, Model Variants for optimal Evacuation Planning with Solution Procedures, Central Department of Mathematics, Tribhuvan University, Seminar for MPhil Program, January , 2015.
Panelist moderator, DAAD Research Ambassador’s workshop meeting, Nov. 13-15, New Delhi, 2014.
Talk: Evacuation Planning Optimization - Model Variants and Solution Strategies, Research Seminar, UMD-FMA, Germany, November 5, 2014.
Talk (with S.R. Khadka and U. Pyakurel): Efficient Evacuation through optimal network, Annual day of NMS, Kathmandu, Nepal, May 17, 2014.
Plenary talk: On the Current Status of Solution Approaches for Evacuation Network Optimization, Int’l Conference on Recent Trends in Science and Technology, Kolaghar, India ICRTST 2013, Dec 27-29.
Coordinator, Workshop on Mathematical Modeling in Emergency Mitigation Using Optimization and Simulation Methods, organized by NEGAAS in collaboration with CDM, TU-Nepal and ORSN, Nov. 26-29, 2013.
Talk: Contraflow Configuration, Workshop on Mathematical Modeling in Emergency Mitigation Using Optimization and Simulation Methods, organized by NEGAAS in collaboration with CDM, TU-Nepal and ORSN, Nov. 26-29, 2013.
Talk: (with M. Goerigk and HorstW. Hamacher): Dynamic Network Models, Algorithms and Complexities of Evacuation Planning Optimization Problems: Revisited, Int’l Conference on Nonlinear Systems, 18-22 June, 2013, Kathmandu.
Talk: (with Urmila Pyakurel) Earliest Arrival Contraflow Model for Evacuation Planning, Int’l Conference on Nonlinear Systems, 18-22 June 2013, Kathmandu Nepal.
(with Urmila Pyakurel) Earliest arrival contraflow problem for evacuation planning, Second National Conference on Operations Research: Applications in Developing Countries, organized by Operational Research Society of Nepal, February 1-2, (2013).
Talk: Evacuation Planning Network Optimization, Research Seminar, UKL-FMA, Germany, June 10, 2013.
Talk: Contraflow Approach for Evacuation Planning Network Optimization Algorithms, Research Seminar, Department of Theoretical Computer Science, LUH, Germany, May 15, 2013.
Talk: On the Optimization Approaches of Evacuation Planning Network Problems, Research Seminar, UMD-FMA, Germany, May 7, 2013.
Organizer: Workshop on Theoretical Computer Science, December 4-6, 2012, Central Department of Computer Science and IT, TU, Nepal, Principal resource person: Dr. Arne Meier, University of Hannover, Germany.
Organizer: Seminar on SINGULARITIES AND APPLICATIONS, October 8-10, 2012, CDCSIT jointly with CDM, Tribhuvan University, Nepal, Principal resource person: Prof. Dr. Gerhard Pfister, UKL, Germany.
Talk: Mixed-Model Just-in-Time Sequencing Algorithms, Research Seminar, UMD-FMA, Germany, June 27, 2012.
Annual Meeting of Alexander von Humboldt Foundation, June 19-21, 2012, Berlin, Germany.
Study Tour of Alexander von Humboldt Foundation, August 20-September 1, 2012, Berlin, Germany.
Talk: An Efficient Algorithm for Mixed-Model Just-in-Time Production with a Generalized Objective, Research Seminar, Department of Theoretical Computer Science, LUH, Germany, May 30, 2012.
Poster: Evacuation Planning Network Optimization, Research Project Highlights, Network Meeting of the Alexander von Humboldt Foundation, Aachen, Germany, 25-27 April, 2012.
Member, Int’l Conference on OR, organized by OR Society of Nepal, February 1-2, 2012.
Talk: Panelist, OR for sustainable development, Int’l Conference on OR, organized by ORSN, Feb 1-2, 2012.
Convener, National Workshop on Mathematical Modeling in Emergency Planning, organized by NEGAAS in collaboration with CDM, TU-Nepal, March 1-4, 2011.
Summer School in Industrial Mathematics, UKL and Fraunhofer-Institute for Industrial Mathematics, Germany, 19/9/2010 - 2/10/010.
Talk: Reducibility problems of open shop sequences. TU Clausthal-Zellerfeld, Germany (June 10, 2010).
Talk: Reducibility problems of open shop sequences minimizing the makespan. UMD-FMA-Germany (June 1, 2010).
Paper: Reducibility problems of open shop sequences minimizing the makespan. 19th Workshop on Discrete Optimization, Holzhau, Germany (May 17-20, 2010).
Talk: Irreducibility in open shop problems. UKL-FMA-Germany (May 10, 2010).
Convener: National Workshop on Fuzzy Sets and Fuzzy Logic with Applications, organized by CDM and Central Department of Environmental Science-TU-Nepal, December 1-5, 2009.
Talk: New results on product rate variation problem. Invited talk, Seminar organized by CDM-TU and NMS on 50th Anniversary of CDM-TU, September 20, 2009.
Coordinator: Monthly Talk Organizing Committee, NMS (2006 - 2009).
Co-organizer: Workshop on Computational Linguistics, organized by CDCSIT-TU-Nepal and Central Department of Linguistics, TU, Kathmandu, Nepal (February 15-20, 2009).
Paper: An algorithm to the bottleneck product rate variation problem with square deviation objective. 5th National Conference on Science and Technology, NAST, Kathmandu (Nov 10-12, 2008).
Paper: A combined approach to the solutions of mixed-model JIT sequencing and apportionment problems. 5th National Conference on Science and Technology, Nepal Academy of Science and Technology, Nepal (Nov 10-12, 2008).
Paper: Status of teaching, learning and research of mathematics in Nepal. Invited talk, 5th National Conference on Science and Technology, NAST, Kathmandu (Nov 10-12, 2008).
Paper: Structures of sequences in the classical open-shop scheduling problem. 10th Intl Workshop on Multimedia Signal Processing and Transactions, Chonbuk National University, Korea (July 21-22, 2008).
Member: Organizing Committee, the 10th Intl Workshop on Multimedia Signal Processing and Transmission (MSPT, July 21-22, 2008), Chonbuk National University, South Korea.
Member Secretary: Int’l Conference on E-Commerce in the 21st Century (ECIC-2008), Kathmandu (2-4 June, 2008).
Coordinator: Summer School Managing Committee, NAST (May 28 June 15, 2007).
Member: Summer School Organizing Committee, NAST (May 28 June 15, 2007).
Talk: Balanced sequences in just-in-time production and fair House of Representatives. NMS Day, Kathmandu (May 14, 2007).
Talk: JIT sequencing for mixed-model production systems. UMD-FMA-Germany (November 20, 2006).
Paper: Absolute maximum deviation just-in-time sequencing problem for mixed-model production systems. Seminar on Mathematical Sciences and its Applications, CDM-TU and NMS (Sep 20-21, 2006).
Participation: Intl Workshop, Fraunhofer Institut Technound Wirtschaftsmathematik (ITWM), UKL, Germany (September 14-15, 2006).
Participation: Summer School Mathematics Int’l, UKL-FMA-Germany (Sep 1-30, 2006).
Talk: Real-world problem selection and solution strategy. Invited talk, Seminar on Research Techniques in Mathematics, Janamaitri Multiple Campus, Kathmandu (July 8, 2006).
Talk: Potentially optimal sequence-sets in shop problems. DIMACS-RUTCOR Seminar, Rutgers - The State University of New Jersey, USA (June 25, 2003).
Paper: On the structure of solution sets of shop scheduling problems. Seminar on Research Exposition in Mathematical Sciences, CDM-Nepal (September 23-24, 2003).
Paper: Mathematics in industry: modeling, algorithms and complexity. Seminar on Applicable Mathematics, CDM, Nepal (September 18-19, 2002).
Paper: On some structures of decomposition approaches in shop problems. 15-th Workshop on Discrete Optimization, Wittenberg, Germany (May 13-17, 2002).
Participation: Int’l Conference and Instructional Workshop of Industrial Mathematics, Bombay, India (Dec 2-9, 2002).
Talk: On algebraic structures in shop scheduling problems, the Super Sequence Group. UMD-FMA, Germany (February 22, 2001).
Paper: On groups in the set of sequences. Fifth Workshop on Models and Algorithms for Planning and Scheduling Problems, Aussois, France (June 17-22, 2001).
Paper: Algebraic structures on the set of sequences. 14th Workshop on Discrete Optimization, Holzhau, Germany (May 23-26, 2000).