Skip to search formSkip to main contentSkip to account menu

Ivar Ekeland

Ivar I. Ekeland (born 2 July 1944, Paris) is a French mathematician of Norwegian descent. Ekeland has written influential monographs and textbooks on… 
Wikipedia (opens in a new tab)

Related topics

Related topics

16 relations
Calculus of variationsChaos theoryChaos: Making a New ScienceConvex hull

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2019
2019
Variants of the Ekeland variational principle for approximate proper solutions of vector equilibrium problems
In this paper, we provide variants of the Ekeland variational principle for a type of approximate proper solutions of a vector… 
2012
2012
On Ekeland’s Variational Principle for Pareto Minima of Set-Valued Mappings
We propose relaxed lower semicontinuity properties for set-valued mappings, using weak τ-functions, and employ them to weaken… 
Highly Cited
2011
Highly Cited
2011
Modelling moisture content and dry matter loss during storage of logging residues for energy
Abstract To achieve optimal utilisation of logging residues for energy, it is important to know how different handling and… 
2011
2011
River restoration and habitat improvements in the sub-arctic river Bognelva – effects on anadromous fish
2011
2011
Critical Point Theorems and Ekeland Type Variational Principle with Applications
We introduce the notion of -spaces which is much weaker than cone metric spaces defined by Huang and X. Zhang (2007). We… 
2008
2008
Systems of equilibrium problems with applications to new variants of Ekeland’s variational principle, fixed point theorems and parametric optimization problems
In this paper, we first establish some existence theorems of systems of generalized vector equilibrium problems. From these… 
2007
2007
Variational inclusions problems with applications to Ekeland’s variational principle, fixed point and optimization problems
In this paper, we prove the existence theorems of two types of systems of variational inclusions problem. From these existence… 
2000
2000
A simple proof of Ekeland and Scheinkman's result on the necessity of a transversality condition
Summary. Ekeland and Scheinkman (1986) prove the necessity of a standard transversality condition under certain technical… 
Highly Cited
1985
Highly Cited
1985
Existence of multiple periodic orbits on star-shaped Hamiltonian surfaces
Consider the Hamiltonian system (HS) i = 1, …, N. Here, H ϵ C2(ℝ2N, ℝ). In this paper, we investigate the existence of periodic… 
Highly Cited
1980
Highly Cited
1980
On the number of periodic trajectories for a Hamiltonian flow on a convex energy surface
kbstract In this paper, we look for periodic solutions, with prescribed energy h C R, of Hamilton's equations: (H) a H (x, p), p… 
By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy (opens in a new tab), Terms of Service (opens in a new tab), and Dataset License (opens in a new tab)