Geodesic
An n + 1 Member Decomposition for Sets Whose Lnc Points Form n Convex Sets
Canadian journal of mathematics, Tome 27 (1975) no. 6, pp. 1378-1383

Voir la notice de l'article provenant de la source Cambridge University Press

Let S be a subset of Rd. A point x in 5 is a point of local convexity of S if and only if there is some neighborhood N of x such that, if y, z ∈ N ᑎ 5, then [y, z] ⊆ S. If S fails to be locally convex at some point q in S then q is called a point of local nonconvexity (lnc point) of S. 
Breen, Marilyn. An n + 1 Member Decomposition for Sets Whose Lnc Points Form n Convex Sets. Canadian journal of mathematics, Tome 27 (1975) no. 6, pp. 1378-1383. doi: 10.4153/CJM-1975-140-2
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