论文信息 - Generalized Budan-Fourier theorem and virtual roots

Generalized Budan-Fourier theorem and virtual roots

In this Note we give a proof of a generalized version of the classical Budan-Fourier theorem, interpreting sign variations in the derivatives in terms of virtual roots.

Michel Coste | Marie-Françoise Roy | Henri Lombardi | Tomás Lajous-Loaeza

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