SISSA Open Science

Browsing by Subject "topological degree"

Browsing by Subject "topological degree"

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  • Fonda, Alessandro; Klun, Giuliano (SISSA, 2019-03-07)
    The classical Poincaré–Bohl theorem provides the exis-tence of a zero for a function avoiding external rays. When the do-main is convex, the same holds true when avoiding normal cones. We consider here the possibility of ...

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