Volume 10 (2019), Number 2

CRORR Journal Regular Issue

• An inventory planning problem for time-varying linear demand and parabolic holding cost with salvage value

  Pavan Kumar

  187-199

  • PDF

• The best, the worst and the semi-strong: optimal values in interval linear programming

  Elif Garajová, Milan Hladík, Miroslav Rada

  201-209

  • PDF

• Optimum cost analysis for an Geo/Geo/c/N feedback queue under synchronous working vacations and impatient customers

  Lahcene Yahiaoui, Amina Angelika Bouchentouf, Mokhtar Kadi

  211-226

  • PDF

• Improving the productivity of the copper mining process in the Chilean copper industry

  Ivan Derpich, Nicole Munoz, Andrea Espinoza

  227-240

  • PDF

• Forecasting portfolio-Value-at-Risk with mixed factorial hidden Markov models

  Mohamed Saidane

  241-255

  • PDF

• Fuzzy portfolio optimization with tax, transaction cost and investment amount: a developing country case

  Gülcan Petriçli, A. Gül Gökay Emel, Tuba Bora Kılınçarslan

  257-273

  • PDF

• A new full-NT step interior-point method for circular cone optimization

  Behrouz Kheirfam

  275-287

  • PDF

• Generating $\alpha $-dense curves in non-convex sets to solve a class of non-smooth constrained global optimization

  Mohamed Rahal, Ziadi Abdelkader, Ellaia Rachid

  289-314

  • PDF

• Bi-level optimization based on fuzzy if-then rule

  Vishnu Pratap Singh, Debjani Chakraborty

  315-328

  • PDF

• Optimality conditions for a bilevel optimization problem in terms of KKT multipliers and convexificators

  Nazih Abderrazzak Gadhi, Lahoussine Lafhim

  329-335

  • PDF

• Utilizing a new approach for solving fully fuzzy linear programming problems

  Hamiden Abdelwahed Khalifa

  337-344

  • PDF