Speranza Maria Grazia

Maria Grazia Speranza

Information about the author Maria Grazia Speranza will soon be added to the site.
Found 27 papers in total
Semi on-line scheduling on three processors with known sum of the tasks
Semi on-line scheduling on three processors with known sum of the tasks
2007
We consider a semi on-line version of the multiprocessor scheduling problem on three...
Analysis of practical policies for a single link distribution system
Analysis of practical policies for a single link distribution system
2007
In this paper we consider a transportation problem where several products have to be...
Conditional value at risk and related linear programming models for portfolio optimization
Conditional value at risk and related linear programming models for portfolio optimization
2007
Many risk measures have been recently introduced which (for discrete random variables)...
Worst-case analysis for split delivery vehicle routing problems
Worst-case analysis for split delivery vehicle routing problems
2006
In the vehicle routing problem (VRP) the objective is to construct a minimum cost set...
Metaheuristics for the team orienteering problem
Metaheuristics for the team orienteering problem
2007
The Team Orienteering Problem (TOP) is the generalization to the case of multiple...
Improved rounding procedures for the discrete version of the capacitated EOQ problem
Improved rounding procedures for the discrete version of the capacitated EOQ problem
2005
We consider a transportation problem where different products have to be shipped from...
An improved heuristic for the period traveling salesman problem
An improved heuristic for the period traveling salesman problem
2004
We propose a heuristic algorithm for the solution of the period traveling salesman...
Semi-absolute deviation rule for mutual funds portfolio selection
Semi-absolute deviation rule for mutual funds portfolio selection
2003
Investors consider mutual funds as an interesting investment opportunity. This is the...
Continuous and discrete shipping strategies for the single link problem
Continuous and discrete shipping strategies for the single link problem
2002
We consider the problem of shipping several products from a common origin to a common...
Continuous and discrete shipping strategies for the single link problem
Continuous and discrete shipping strategies for the single link problem
2002
We consider the problem of shipping several products from a common origin to a common...
On linear programming solvable models for portfolio selection
On linear programming solvable models for portfolio selection
2003
The Markowitz model for single period portfolio optimization quantifies the problem by...
The periodic vehicle routing problem with intermediate facilities
The periodic vehicle routing problem with intermediate facilities
2002
In this paper, we study an extension of the periodic vehicle routing problem (PVRP)...
Rounding procedures for the discrete version of the capacitated economic order quantity problem
Rounding procedures for the discrete version of the capacitated economic order quantity problem
2001
The capacitated Economic Order Quantity problem (capacitated EOQ) is a well-known...
Semi on-line algorithms for the partition problem
Semi on-line algorithms for the partition problem
1997
The partition problem is one of the basic NP-complete problems. While an efficient...
Exact and heuristic solutions for a shipment problem with given frequencies
Exact and heuristic solutions for a shipment problem with given frequencies
2000
We consider the problem of shipping several products from an origin to a destination...
Two linear approximation algorithms for the subset-sum problem
Two linear approximation algorithms for the subset-sum problem
2000
In this paper we study the subset-sum problem, which is the problem of finding, given...
Minimizing makespan in a multimode multiprocessor shop scheduling problem
Minimizing makespan in a multimode multiprocessor shop scheduling problem
1999
We study the problem of multimode scheduling tasks on dedicated processors, with the...
Heuristic algorithms for the portfolio selection problem with minimum transaction lots
Heuristic algorithms for the portfolio selection problem with minimum transaction lots
1999
The problem of selecting a portfolio has been largely faced in terms of minimizing the...
Inventory control on sequences of links with given transportation frequencies
Inventory control on sequences of links with given transportation frequencies
1999
This paper deals with the problem of minimizing the sum of the inventory and...
Approximation algorithms for partitioning small items in unequal bins to minimize the total size
Approximation algorithms for partitioning small items in unequal bins to minimize the total size
1999
A set of items has to be assigned to a set of bins with different sizes. If necessary...
Minimizing logistic costs in multistage supply chains
Minimizing logistic costs in multistage supply chains
1999
We consider the problem in which a set of products has to be shipped from a common...
On-line approximation algorithms for scheduling tasks on identical machines with extendable working time
On-line approximation algorithms for scheduling tasks on identical machines with extendable working time
1999
We study the on-line problem of assigning tasks to identical machines whose regular...
Effective linear programming heuristics for a portfolio selection problem
Effective linear programming heuristics for a portfolio selection problem
1997
The problem of selecting a portfolio has been largely faced in terms of minimizing the...
Minimization of logistic costs with given frequencies
Minimization of logistic costs with given frequencies
1997
We study the problem of shipping products from one origin to several destinations,...
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