INVESTIGADORES
PERRUCCI Daniel Roberto
artículos
Título:
A new general formula for the Cauchy Index on an interval with Subresultants.
Autor/es:
DANIEL PERRUCCI; MARIE-FRANCOISE ROY
Revista:
JOURNAL OF SYMBOLIC COMPUTATION
Editorial:
ACADEMIC PRESS LTD-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2022 vol. 109 p. 465 - 481
ISSN:
0747-7171
Resumen:
We present a new formula for the Cauchy index of a rational function on an interval usingsubresultant polynomials. There is no condition on the endpoints of the interval and the formulaalso involves in some cases less subresultant polynomials.
