IMAS 23417
INSTITUTO DE INVESTIGACIONES MATEMATICAS "LUIS A. SANTALO"
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
A new general formula to compute the Cauchy Index with Subresultants in an interval
Autor/es:
MARIE-FRANCOISE ROY; DANIEL PERRUCCI
Lugar:
Madrid
Reunión:
Congreso; Effective Methods in Algebraic Geometry (MEGA) 2019; 2019
Institución organizadora:
Universidad Complutense de Madrid
Resumen:
We present a new formula to compute the Cauchy index of a rational function in an intervalusing subresultant polynomials. There is no condition on the endpoints of the interval and theformula also involves in some cases less subresultant polynomials.
