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Vectorial variational principles in L∞ and their characterisation through PDE systems

Katzourakis, N. and Ayanbayev, B. (2019) Vectorial variational principles in L∞ and their characterisation through PDE systems. Applied Mathematics & Optimization. ISSN 1432-0606

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To link to this item DOI: 10.1007/s00245-019-09569-y

Abstract/Summary

We discuss two distinct minimality principles for general supremal first order functionals for maps and characterise them through solvability of associated second order PDE systems. Specifically, we consider Aronsson’s standard notion of absolute minimisers and the concept of ∞ -minimal maps introduced more recently by the second author. We prove that C1 absolute minimisers characterise a divergence system with parameters probability measures and that C2∞ -minimal maps characterise Aronsson’s PDE system. Since in the scalar case these different variational concepts coincide, it follows that the non-divergence Aronsson’s equation has an equivalent divergence counterpart.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:83793
Publisher:Springer

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