Sigrid Lise Nonås




+47 55 95 99 77


+47 55 95 93 20


Associate Professor, dr. scient., University of Bergen 2000



Teaching languages:

Norwegian, English

Teaching areas: Courses:
Molde Univ. College:
  • Production and Inventory Control

University of Bergen:
  • Construction and Implementation of Information Systems

  • Software Development

Research areas: Present:
  • Operations Research

  • Mathematical Modeling

  • Production Planning

  • Logistics

  • Supply Chain Management

  • Decision Analysis

Selected publications:
  • A maximum entropy approach to the newsvendor problem with partial information, European Journal of Operational Research, 2013, 228(1), 190-200 (with Jonas Andersson, Kurt Jörnsten, Leif K. Sandal and Jan Ubøe).

  • Mixed contracts for the newsvendor problem with real options and discrete demand, OMEGA, 2013, 41(5), 809-819 (with Kurt Jörnsten, Leif K. Sandal and Jan Ubøe).

  • Transfer of risk in the newsvendor model with discrete demand, OMEGA, 2012, 40(3), 404-414 (with Kurt Jörnsten, Leif K. Sandal and Jan Ubøe).

  • Refinery Planning and Scheduling: An Overview, in Energy, Natural Resources and Environmental Economics, Energy Systems (series), Springer, 2010, 115-130.

  • Finding and identifying optimal inventory levels for systems with common components, European Journal of Operational Research, 2009, 193(1), 98-119.

  • Solving a combined cutting-stock and lot-sizing problem with a column generating procedure, Computers and Operations Research, 2008, 35(10), 3371-3392 (with Anders Thorstenson).

  • Optimal and heuristic solutions for a scheduling problem arising in a foundry, Computers and Operations Research, 2005, 32(9), 2351-2382 (with Kai Olsen).

  • A combined cutting-stock and lot-sizing problem, European Journal of Operational Research, 2000, 120(2), 327-342 (with Anders Thorstenson).

  • Modelling and production planning for complex multi-item systems, Ph.D. Thesis, Department of Informatics, University of Bergen, 2000.

Working Papers:
  • A multi-product purchasing system with quantity discount based on the weight of the total order.

  • A purchasing system for multiple products under stochastic demand, joint replenishment, and quantity discount.

  • An improved decision support modell for an engineer-to-order manufacturer (with Stéphane Dauzère-Pérès and Kai Olsen).

  • Short-term planning and scheduling of a refinery in an integrated oil company (with Jens Bengtsson).