Abstract
Let Vδ denote a local level surface for function-germ f:(Rn+1,0) → (R,0). A mapping degree formula for difference of the Euler characteristics of Vδ$\cap$ {g ≤ 0} and Vδ$\cap$ {g ≥ 0} is given, when level surfaces of a function g:(Rn+1,0) → (R,0) are parallelizable.
Citation
T. Fukui. A. Khovanskii. "Mapping degree and Euler characteristic." Kodai Math. J. 29 (1) 144 - 162, March 2006. https://doi.org/10.2996/kmj/1143122391
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