129 citations
- University of AveiroPT40 papers
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math.OC2007★ 129 cited
Noether's Theorem on Time Scales
Zbigniew Bartosiewicz, Delfim F. M. Torres
We show that for any variational symmetry of the problem of the calculus of variations on time scales there exists a conserved quantity along the respective Euler-Lagrange extremal…
math.OC2007★ 6 cited
A Computational Approach to Essential and Nonessential Objective Functions in Linear Multicriteria Optimization
Agnieszka B. Malinowska, Delfim F. M. Torres
The question of obtaining well-defined criteria for multiple criteria decision making problems is well-known. One of the approaches dealing with this question is the concept of non…