Geodesic
All functions are locally $s$-harmonic up to a small error
Journal of the European Mathematical Society, Tome 19 (2017) no. 4, pp. 957-966 Cet article a éte moissonné depuis la source EMS Press

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We show that we can approximate every function f∈Ck(B1​​) by an s-harmonic function in B1​ that vanishes outside a compact set.
DOI : 10.4171/jems/684
Classification : 35-XX, 34-XX, 60-XX
Keywords: Density properties, approximation, s-harmonic functions 
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     author = {Serena Dipierro and Ovidiu Savin and Enrico Valdinoci},
     title = {All functions are locally $s$-harmonic up to a small error},
     journal = {Journal of the European Mathematical Society},
     pages = {957--966},
     year = {2017},
     volume = {19},
     number = {4},
     doi = {10.4171/jems/684},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/684/}
}
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%P 957-966
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%R 10.4171/jems/684
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Serena Dipierro; Ovidiu Savin; Enrico Valdinoci. All functions are locally $s$-harmonic up to a small error. Journal of the European Mathematical Society, Tome 19 (2017) no. 4, pp. 957-966. doi: 10.4171/jems/684

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