Abstract
Let $f:{\mathbb R}^2\longrightarrow {\mathbb R}^2$ be a generic polynomial mapping. There are constructed quadratic forms whose signatures determine the number of positive and negative cusps of $f$.
Citation
Iwona KRZYŻANOWSKA. Zbigniew SZAFRANIEC. "On polynomial mappings from the plane to the plane." J. Math. Soc. Japan 66 (3) 805 - 818, July, 2014. https://doi.org/10.2969/jmsj/06630805
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