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1 paper

math.GT2023

Morse functions with four critical points on immersed 2-spheres

Svitlana Bilun, Bohdana Hladysh, Alexandr Prishlyak +1

We investigate topological properties of simple Morse functions with 4 critical points on immersed 2-spheres. To classify such functions, dual graph of immersion and Reeb graphs is…