8 search results - page 1 / 2 » Perturbing polynomials with all their roots on the unit circ... |
MOC
1998
13 years 4 months ago
1998
Given a monic real polynomial with all its roots on the unit circle, we ask to what extent one can perturb its middle coefficient and still have a polynomial with all its roots on ...
ISSAC
1998
Springer
13 years 9 months ago
1998
Springer
Continuous changes of the coefficients of a polynomial move the roots continuously. We consider the problem finding the minimal perturbations to the coefficients to move a root to...
SIAMSC
2008
13 years 4 months ago
2008
This paper presents fast and reliable condition estimates for the roots of a real polynomial based on the method of statistical condition estimation (SCE) by Kenney and Laub. Using...
ENGL
2008
13 years 4 months ago
2008
An array antenna system with innovative signal processing can enhance the resolution of a signal direction of arrival (DOA) estimation. Super resolution algorithms take advantage o...
MOC
1998
13 years 4 months ago
1998
Abstract. We determine all exceptional units among the elements of certain groups of units in quartic number fields. These groups arise from a oneparameter family of polynomials w...