We investigate closed 1-forms with isolated zeros on surfaces with edge. A criterion for the topological equivalence of closed 1-forms is proved.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 61, No. 11, pp. 1455–1472, November, 2009.
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Budnyts’ka, N.V., Pryshlyak, O.O. Equivalence of closed 1-forms on surfaces with edge. Ukr Math J 61, 1710–1727 (2009). https://doi.org/10.1007/s11253-010-0308-8
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DOI: https://doi.org/10.1007/s11253-010-0308-8