Vol. 29 No. 3 (2019)

Research Articles

• Second-order symmetric duality in multiobjective variational problems

  Geeta Sachdev, Khushboo Verma, T.R. Gulati

  295-308

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• On an exact penality result and new constraint qualifications for mathematical programs with vanishing constraints

  Triloki Nath, Abeka Khare

  309-324

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• Determining fuzzy distance through non-self fuzzy contractions

  Parbati Saha, Shantanu Guria, Binayak S. Choudhury

  325-335

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• Multi-objective stochastic transportation problem involving three-parameter extreme value distribution

  Mitali Madhumita Acharya, Adane Abebaw Gessesse, Rajashree Mishra, Srikumar Acharya

  337-358

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• Variable neighbourhood search for financial derivative problem

  Amaldass Nareyus I Lawrance, Cormac Lucas, Nenad Mladenović

  359-373

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• Bounds of the stationary distribution in M/G/1 retrial queue with two-way communication and n types of outgoing calls

  Lala Maghnia Alem, Mohamed Boualem, Djamil Aissani

  375-391

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• Understanding multi-stage diffusion process in presence of attrition of potential market and related pricing policy

  Shakshi Singhal, Adarsh Anand, Ompal Singh

  393-413

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• Dynamic analysis of the efficiency of research and development systems of South-European countries

  Predrag Mimović, Ana Krstić, Milena Jakšić

  415-431

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