Preprint

Inserted: 3 mar 2021
Last Updated: 29 mar 2021

Year: 2021

Abstract:

We compute the value of the $L^1$-relaxed area of the graph of the map $u:B_l(0)\subset\mathbb R^2\rightarrow\mathbb R^2$, $u(x):= x/
x
$, $x\neq0$, for all values of $l>0$. Interestingly, for $l$ in a certain range, in particular $l$ not too large, a Plateau-type problem, having as solution a sort of catenoid constrained to contain a segment, has to be solved.

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