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Isoperimetric conditions, lower semicontinuity, and existence results for perimeter functionals with measure data

Year: 2024
Type: article
Abstract: We establish lower semicontinuity results for perimeter functionals with measure data on $${\mathbb {R}}^n$$ R n and deduce the existence of minimizers to these functionals with Dirichlet boundary conditions, obstacles, or volume-constraints. In other words, we lay foundations of a perimeter-based variational approach to mean curvature measures on $${\mathbb {R}}^n$$ R n capable of proving existence in various prescribed-mean-curvature problems with measure data. As crucial and essentially optimal assumption on the measure data we identify a new condition, called small-volume isoperimetric condition, which sharply captures cancellation effects and comes with surprisingly many properties and reformulations in itself. In particular, we show that the small-volume isoperimetric condition is satisfied for a wide class of $$(n{-}1)$$ ( n - 1 ) -dimensional measures, which are thus admissible in our theory. Our analysis includes infinite measures and semicontinuity results on very general domains.
DOI: 10.1007/s00208-024-03025-1
Language: English
Open Access status: hybrid
Estimated APC paid: $2,990
OpenAlex ID: W4405691990
FWCI: 2.343
Cites: 34
Cited by: 3
Related to: 10